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5% off
H3Y-2 12V/24VDC 24V/110V/220V/380VAC Power ON Delay Timer Time Relay DPDT 0.1-1S 0.1-3S 0.2-5S 8Pin DIN Rail PYF083A Socket Base H3Y-2 12V/24VDC 24V/110V/220V/380VAC Power ON Delay Timer Time Relay DPDT 0.1-1S 0.1-3S 0.2-5S 8Pin DIN Rail PYF083A Socket Base

H3Y-2 12V/24VDC 24V/110V/220V/380VAC Power ON Delay Timer Time Relay DPDT 0.1-1S 0.1-3S 0.2-5S 8Pin DIN Rail PYF083A Socket Base

$16.30$17.16

1 sold
41% off
W3230 Relay Output Digital Temperature Controller -55~120°C Thermostat Regulator Heating Cooling Control Switch 12V 24V 110-220V W3230 Relay Output Digital Temperature Controller -55~120°C Thermostat Regulator Heating Cooling Control Switch 12V 24V 110-220V

W3230 Relay Output Digital Temperature Controller -55~120°C Thermostat Regulator Heating Cooling Control Switch 12V 24V 110-220V

$15.95$27.40

49 sold
Solid State Relay MGR-1 D4825 D4840 D4860 D4890 D4810 A4840A4860 Solid State Relay MGR-1 D4825 D4840 D4860 D4890 D4810 A4840A4860

Solid State Relay MGR-1 D4825 D4840 D4860 D4890 D4810 A4840A4860

$19.00$19.00

35% off
Liquid Water Level Detection Sensor Module, 12V DC Relay Controller Switch Automatic Detection Pump Tank Water Level Controller Liquid Water Level Detection Sensor Module, 12V DC Relay Controller Switch Automatic Detection Pump Tank Water Level Controller

Liquid Water Level Detection Sensor Module, 12V DC Relay Controller Switch Automatic Detection Pump Tank Water Level Controller

$21.66$33.32

1 sold
3% off
Float Switch 4m Line Liquid Level Switch Water Level Controller Liquid Level Relay M15-2 4m Float Switch 4m Line Liquid Level Switch Water Level Controller Liquid Level Relay M15-2 4m

Float Switch 4m Line Liquid Level Switch Water Level Controller Liquid Level Relay M15-2 4m

$2.91$3.00

50% off
1 Pcs DIY 433 Mhz 1CH RF Relay Receiver Wireless Remote Control Switch Micro Module LED Light Controller DC 3.6V-24V RX500A 1 Pcs DIY 433 Mhz 1CH RF Relay Receiver Wireless Remote Control Switch Micro Module LED Light Controller DC 3.6V-24V RX500A

1 Pcs DIY 433 Mhz 1CH RF Relay Receiver Wireless Remote Control Switch Micro Module LED Light Controller DC 3.6V-24V RX500A

$32.43$64.87

【~ New B11B】-521 Digital Time Delay 1 Way Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module 【~ New B11B】-521 Digital Time Delay 1 Way Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module

【~ New B11B】-521 Digital Time Delay 1 Way Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module

$3.24$3.24

DC motor forward and reverse controller limit control push rod automatic cycle lifting relay drive 12V24V DC motor forward and reverse controller limit control push rod automatic cycle lifting relay drive 12V24V

DC motor forward and reverse controller limit control push rod automatic cycle lifting relay drive 12V24V

$19.87$19.87

REX-C100 Digital Thermostat PID Temperature Controller SSR output + Max.40A SSR Relay + K Thermocouple Probe heat sink 0-1300C REX-C100 Digital Thermostat PID Temperature Controller SSR output + Max.40A SSR Relay + K Thermocouple Probe heat sink 0-1300C

REX-C100 Digital Thermostat PID Temperature Controller SSR output + Max.40A SSR Relay + K Thermocouple Probe heat sink 0-1300C

$2.91$2.91

42 sold
50% off
1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger 1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger

1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger

$30.69$61.39

5 sold
50% off
DC24V W1209 LED Digital Thermostat -50~110°C High Precision Temperature Controller Relay Output Heating Cooling Control Switch DC24V W1209 LED Digital Thermostat -50~110°C High Precision Temperature Controller Relay Output Heating Cooling Control Switch

DC24V W1209 LED Digital Thermostat -50~110°C High Precision Temperature Controller Relay Output Heating Cooling Control Switch

$34.04$68.08

7 sold
Single Phase Solid State Relay SSR-25AA A4825 25A AC Control AC BEM-25AA Single Phase Solid State Relay SSR-25AA A4825 25A AC Control AC BEM-25AA

Single Phase Solid State Relay SSR-25AA A4825 25A AC Control AC BEM-25AA

$20.94$20.94

50% off
Black QP3-15A-G1 Fridge Starter Relay With Overheat Protector For Refrigerator Compressor Repair Replacement Home Garden Tool Black QP3-15A-G1 Fridge Starter Relay With Overheat Protector For Refrigerator Compressor Repair Replacement Home Garden Tool

Black QP3-15A-G1 Fridge Starter Relay With Overheat Protector For Refrigerator Compressor Repair Replacement Home Garden Tool

$41.65$83.31

1 sold
50% off
D4184 Isolated MOSFET Switch Module 40V 50A Replace‑Relay Compact Stable Switch Component For Circuit Control DIY Electronics D4184 Isolated MOSFET Switch Module 40V 50A Replace‑Relay Compact Stable Switch Component For Circuit Control DIY Electronics

D4184 Isolated MOSFET Switch Module 40V 50A Replace‑Relay Compact Stable Switch Component For Circuit Control DIY Electronics

$31.55$63.10

49% off
W1209 LED thermostat 12V NTC temperature controller -50-110°C temperature control Switch relay output blue display with cable W1209 LED thermostat 12V NTC temperature controller -50-110°C temperature control Switch relay output blue display with cable

W1209 LED thermostat 12V NTC temperature controller -50-110°C temperature control Switch relay output blue display with cable

$31.92$63.83

1 sold
35% off
2pcs W1209 Temperature Controller Module DC 12V Waterproof Digital Thermostat High Precision with 10A One-Channel Relay 2pcs W1209 Temperature Controller Module DC 12V Waterproof Digital Thermostat High Precision with 10A One-Channel Relay

2pcs W1209 Temperature Controller Module DC 12V Waterproof Digital Thermostat High Precision with 10A One-Channel Relay

$26.95$41.46

Single Phase Solid State Relay A4840 AC Control AC SSR-40AA A4825 SSR-25AA Single Phase Solid State Relay A4840 AC Control AC SSR-40AA A4825 SSR-25AA

Single Phase Solid State Relay A4840 AC Control AC SSR-40AA A4825 SSR-25AA

$18.93$18.93

Power Relay Socket Base Relay Holder Socket Relay Socket Base PF085A 300V 7A 8Pin Rail Mount Power Relay Holder Socket Base Power Relay Socket Base Relay Holder Socket Relay Socket Base PF085A 300V 7A 8Pin Rail Mount Power Relay Holder Socket Base

Power Relay Socket Base Relay Holder Socket Relay Socket Base PF085A 300V 7A 8Pin Rail Mount Power Relay Holder Socket Base

$23.25$23.25

1 sold
67% off
9V-12V Automatic Water Level Controller Sensor Circuit Board For Drainage Tank High Current Relay DIY Industrial Control 9V-12V Automatic Water Level Controller Sensor Circuit Board For Drainage Tank High Current Relay DIY Industrial Control

9V-12V Automatic Water Level Controller Sensor Circuit Board For Drainage Tank High Current Relay DIY Industrial Control

$16.47$49.90

1Pc 12V/24VDC 24V/110V/220V/380VAC 14P 4PDT 0.5-10S 1.0-30S 2.0-60S Power on Timer Delay DIN Rail Time Relay H3Y-4 Socket PYF14A 1Pc 12V/24VDC 24V/110V/220V/380VAC 14P 4PDT 0.5-10S 1.0-30S 2.0-60S Power on Timer Delay DIN Rail Time Relay H3Y-4 Socket PYF14A

1Pc 12V/24VDC 24V/110V/220V/380VAC 14P 4PDT 0.5-10S 1.0-30S 2.0-60S Power on Timer Delay DIN Rail Time Relay H3Y-4 Socket PYF14A

$16.66$16.66

49% off
1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger 1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger

1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger

$32.87$65.73

7 sold
50% off
W1209 Temperature Controller DC 24V Thermostat Fan Controller -50-110℃ Temperature Control Relay Output W1209 Temperature Controller DC 24V Thermostat Fan Controller -50-110℃ Temperature Control Relay Output

W1209 Temperature Controller DC 24V Thermostat Fan Controller -50-110℃ Temperature Control Relay Output

$33.71$67.42

3 sold
For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications

For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications

$21.62$21.62

35% off
STC 1000 LED digital thermostat for incubator temperature controller thermostat relay heating cooling 12V 24V 110V 220V STC 1000 LED digital thermostat for incubator temperature controller thermostat relay heating cooling 12V 24V 110V 220V

STC 1000 LED digital thermostat for incubator temperature controller thermostat relay heating cooling 12V 24V 110V 220V

$14.73$22.66

58 sold
50% off
3V 1 2 4 Channel Relay Module Board Low-Level Trigger With Light Relay Output 1 2 4 Way Relay Module for Arduino Raspberry 3V 1 2 4 Channel Relay Module Board Low-Level Trigger With Light Relay Output 1 2 4 Way Relay Module for Arduino Raspberry

3V 1 2 4 Channel Relay Module Board Low-Level Trigger With Light Relay Output 1 2 4 Way Relay Module for Arduino Raspberry

$32.22$64.44

9 sold
62% off
Battery Protection Board XHM604 DC 6 to 60V with for Smart Relay Control and LED Voltage Display for Energy Systems Battery Protection Board XHM604 DC 6 to 60V with for Smart Relay Control and LED Voltage Display for Energy Systems

Battery Protection Board XHM604 DC 6 to 60V with for Smart Relay Control and LED Voltage Display for Energy Systems

$13.68$35.99

51% off
Stlxy HK4100F Relay Module 1/2/3/4 Channel Optocoupler 3.3V-5V Trigger for Arduino Stlxy HK4100F Relay Module 1/2/3/4 Channel Optocoupler 3.3V-5V Trigger for Arduino

Stlxy HK4100F Relay Module 1/2/3/4 Channel Optocoupler 3.3V-5V Trigger for Arduino

$31.20$63.67

15 sold
Solid State Relay Brm-40da DC Controlled AC Module Ssr-40da Single Phase 40A D4840 Solid State Relay Brm-40da DC Controlled AC Module Ssr-40da Single Phase 40A D4840

Solid State Relay Brm-40da DC Controlled AC Module Ssr-40da Single Phase 40A D4840

$19.20$19.20

38% off
DC12V/24V 4-Digit LED Display Counter Module With Relay Output For Industrial New Digital Counter Module DC12V/24V 4-Digit LED Display Counter Module With Relay Output For Industrial New Digital Counter Module

DC12V/24V 4-Digit LED Display Counter Module With Relay Output For Industrial New Digital Counter Module

$26.64$42.97

2 Pcs Water heater air conditioning relay JQX-102F SFK-112DM 891WP-1A-C 302WP-1AH-C 2 Pcs Water heater air conditioning relay JQX-102F SFK-112DM 891WP-1A-C 302WP-1AH-C

2 Pcs Water heater air conditioning relay JQX-102F SFK-112DM 891WP-1A-C 302WP-1AH-C

$18.45$18.45

XH-M203 water level controller automatic water level controller water level switch level water pump controller 12V Relay Output XH-M203 water level controller automatic water level controller water level switch level water pump controller 12V Relay Output

XH-M203 water level controller automatic water level controller water level switch level water pump controller 12V Relay Output

$3.37$3.37

9 sold
6% off
Solid State Relay GJ100DA GJ80DA GJ60DA GJ40DA DC AC Solid State Relay GJ100DA GJ80DA GJ60DA GJ40DA DC AC

Solid State Relay GJ100DA GJ80DA GJ60DA GJ40DA DC AC

$18.35$19.52

110/220V Refrigerator PTC Starter Relay Compressor Overload Protector Refrigerator PTC Starting Relay 1/2 1/3 1/5 1/6 For HP 110/220V Refrigerator PTC Starter Relay Compressor Overload Protector Refrigerator PTC Starting Relay 1/2 1/3 1/5 1/6 For HP

110/220V Refrigerator PTC Starter Relay Compressor Overload Protector Refrigerator PTC Starting Relay 1/2 1/3 1/5 1/6 For HP

$15.79$15.79

2 sold
For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications

For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications

$21.62$21.62

High/Low Relay 5V 1 Channel 2 4 6 8 Way SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse For Arduino High/Low Relay 5V 1 Channel 2 4 6 8 Way SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse For Arduino

High/Low Relay 5V 1 Channel 2 4 6 8 Way SSR G3MB-202P Solid State Relay Module 240V 2A Output with Resistive Fuse For Arduino

$2.56$2.56

20 sold
SSR Solid State Relay Module DC‑AC AC‑AC DC‑DC 10‑100A Single Phase SSR Relay SSR Solid State Relay Module DC‑AC AC‑AC DC‑DC 10‑100A Single Phase SSR Relay

SSR Solid State Relay Module DC‑AC AC‑AC DC‑DC 10‑100A Single Phase SSR Relay

$23.00$23.00

5% off
H3Y-2 12V/24VDC 24V/110V/220V/380VAC Power ON Delay Timer Time Relay DPDT 0.1-1S 0.1-3S 0.2-5S 8Pin DIN Rail PYF083A Socket Base H3Y-2 12V/24VDC 24V/110V/220V/380VAC Power ON Delay Timer Time Relay DPDT 0.1-1S 0.1-3S 0.2-5S 8Pin DIN Rail PYF083A Socket Base

H3Y-2 12V/24VDC 24V/110V/220V/380VAC Power ON Delay Timer Time Relay DPDT 0.1-1S 0.1-3S 0.2-5S 8Pin DIN Rail PYF083A Socket Base

$16.30 $17.16

1 sold

Categories: Tools, Measurement & Analysis Instruments

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41% off
W3230 Relay Output Digital Temperature Controller -55~120°C Thermostat Regulator Heating Cooling Control Switch 12V 24V 110-220V W3230 Relay Output Digital Temperature Controller -55~120°C Thermostat Regulator Heating Cooling Control Switch 12V 24V 110-220V

W3230 Relay Output Digital Temperature Controller -55~120°C Thermostat Regulator Heating Cooling Control Switch 12V 24V 110-220V

$15.95 $27.40

49 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Solid State Relay MGR-1 D4825 D4840 D4860 D4890 D4810 A4840A4860 Solid State Relay MGR-1 D4825 D4840 D4860 D4890 D4810 A4840A4860

Solid State Relay MGR-1 D4825 D4840 D4860 D4890 D4810 A4840A4860

$19.00 $19.00

Categories: Tools, Measurement & Analysis Instruments

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35% off
Liquid Water Level Detection Sensor Module, 12V DC Relay Controller Switch Automatic Detection Pump Tank Water Level Controller Liquid Water Level Detection Sensor Module, 12V DC Relay Controller Switch Automatic Detection Pump Tank Water Level Controller

Liquid Water Level Detection Sensor Module, 12V DC Relay Controller Switch Automatic Detection Pump Tank Water Level Controller

$21.66 $33.32

1 sold

Categories: Tools, Measurement & Analysis Instruments

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3% off
Float Switch 4m Line Liquid Level Switch Water Level Controller Liquid Level Relay M15-2 4m Float Switch 4m Line Liquid Level Switch Water Level Controller Liquid Level Relay M15-2 4m

Float Switch 4m Line Liquid Level Switch Water Level Controller Liquid Level Relay M15-2 4m

$2.91 $3.00

Categories: Tools, Measurement & Analysis Instruments

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50% off
1 Pcs DIY 433 Mhz 1CH RF Relay Receiver Wireless Remote Control Switch Micro Module LED Light Controller DC 3.6V-24V RX500A 1 Pcs DIY 433 Mhz 1CH RF Relay Receiver Wireless Remote Control Switch Micro Module LED Light Controller DC 3.6V-24V RX500A

1 Pcs DIY 433 Mhz 1CH RF Relay Receiver Wireless Remote Control Switch Micro Module LED Light Controller DC 3.6V-24V RX500A

$32.43 $64.87

Categories: Tools, Measurement & Analysis Instruments

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【~ New B11B】-521 Digital Time Delay 1 Way Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module 【~ New B11B】-521 Digital Time Delay 1 Way Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module

【~ New B11B】-521 Digital Time Delay 1 Way Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module

$3.24 $3.24

Categories: Tools, Measurement & Analysis Instruments

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DC motor forward and reverse controller limit control push rod automatic cycle lifting relay drive 12V24V DC motor forward and reverse controller limit control push rod automatic cycle lifting relay drive 12V24V

DC motor forward and reverse controller limit control push rod automatic cycle lifting relay drive 12V24V

$19.87 $19.87

Categories: Tools, Measurement & Analysis Instruments

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REX-C100 Digital Thermostat PID Temperature Controller SSR output + Max.40A SSR Relay + K Thermocouple Probe heat sink 0-1300C REX-C100 Digital Thermostat PID Temperature Controller SSR output + Max.40A SSR Relay + K Thermocouple Probe heat sink 0-1300C

REX-C100 Digital Thermostat PID Temperature Controller SSR output + Max.40A SSR Relay + K Thermocouple Probe heat sink 0-1300C

$2.91 $2.91

42 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger 1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger

1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger

$30.69 $61.39

5 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
DC24V W1209 LED Digital Thermostat -50~110°C High Precision Temperature Controller Relay Output Heating Cooling Control Switch DC24V W1209 LED Digital Thermostat -50~110°C High Precision Temperature Controller Relay Output Heating Cooling Control Switch

DC24V W1209 LED Digital Thermostat -50~110°C High Precision Temperature Controller Relay Output Heating Cooling Control Switch

$34.04 $68.08

7 sold

Categories: Tools, Measurement & Analysis Instruments

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Single Phase Solid State Relay SSR-25AA A4825 25A AC Control AC BEM-25AA Single Phase Solid State Relay SSR-25AA A4825 25A AC Control AC BEM-25AA

Single Phase Solid State Relay SSR-25AA A4825 25A AC Control AC BEM-25AA

$20.94 $20.94

Categories: Tools, Measurement & Analysis Instruments

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50% off
Black QP3-15A-G1 Fridge Starter Relay With Overheat Protector For Refrigerator Compressor Repair Replacement Home Garden Tool Black QP3-15A-G1 Fridge Starter Relay With Overheat Protector For Refrigerator Compressor Repair Replacement Home Garden Tool

Black QP3-15A-G1 Fridge Starter Relay With Overheat Protector For Refrigerator Compressor Repair Replacement Home Garden Tool

$41.65 $83.31

1 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
D4184 Isolated MOSFET Switch Module 40V 50A Replace‑Relay Compact Stable Switch Component For Circuit Control DIY Electronics D4184 Isolated MOSFET Switch Module 40V 50A Replace‑Relay Compact Stable Switch Component For Circuit Control DIY Electronics

D4184 Isolated MOSFET Switch Module 40V 50A Replace‑Relay Compact Stable Switch Component For Circuit Control DIY Electronics

$31.55 $63.10

Categories: Tools, Measurement & Analysis Instruments

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49% off
W1209 LED thermostat 12V NTC temperature controller -50-110°C temperature control Switch relay output blue display with cable W1209 LED thermostat 12V NTC temperature controller -50-110°C temperature control Switch relay output blue display with cable

W1209 LED thermostat 12V NTC temperature controller -50-110°C temperature control Switch relay output blue display with cable

$31.92 $63.83

1 sold

Categories: Tools, Measurement & Analysis Instruments

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35% off
2pcs W1209 Temperature Controller Module DC 12V Waterproof Digital Thermostat High Precision with 10A One-Channel Relay 2pcs W1209 Temperature Controller Module DC 12V Waterproof Digital Thermostat High Precision with 10A One-Channel Relay

2pcs W1209 Temperature Controller Module DC 12V Waterproof Digital Thermostat High Precision with 10A One-Channel Relay

$26.95 $41.46

Categories: Tools, Measurement & Analysis Instruments

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Single Phase Solid State Relay A4840 AC Control AC SSR-40AA A4825 SSR-25AA Single Phase Solid State Relay A4840 AC Control AC SSR-40AA A4825 SSR-25AA

Single Phase Solid State Relay A4840 AC Control AC SSR-40AA A4825 SSR-25AA

$18.93 $18.93

Categories: Tools, Measurement & Analysis Instruments

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Power Relay Socket Base Relay Holder Socket Relay Socket Base PF085A 300V 7A 8Pin Rail Mount Power Relay Holder Socket Base Power Relay Socket Base Relay Holder Socket Relay Socket Base PF085A 300V 7A 8Pin Rail Mount Power Relay Holder Socket Base

Power Relay Socket Base Relay Holder Socket Relay Socket Base PF085A 300V 7A 8Pin Rail Mount Power Relay Holder Socket Base

$23.25 $23.25

1 sold

Categories: Tools, Measurement & Analysis Instruments

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67% off
9V-12V Automatic Water Level Controller Sensor Circuit Board For Drainage Tank High Current Relay DIY Industrial Control 9V-12V Automatic Water Level Controller Sensor Circuit Board For Drainage Tank High Current Relay DIY Industrial Control

9V-12V Automatic Water Level Controller Sensor Circuit Board For Drainage Tank High Current Relay DIY Industrial Control

$16.47 $49.90

Categories: Tools, Measurement & Analysis Instruments

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1Pc 12V/24VDC 24V/110V/220V/380VAC 14P 4PDT 0.5-10S 1.0-30S 2.0-60S Power on Timer Delay DIN Rail Time Relay H3Y-4 Socket PYF14A 1Pc 12V/24VDC 24V/110V/220V/380VAC 14P 4PDT 0.5-10S 1.0-30S 2.0-60S Power on Timer Delay DIN Rail Time Relay H3Y-4 Socket PYF14A

1Pc 12V/24VDC 24V/110V/220V/380VAC 14P 4PDT 0.5-10S 1.0-30S 2.0-60S Power on Timer Delay DIN Rail Time Relay H3Y-4 Socket PYF14A

$16.66 $16.66

Categories: Tools, Measurement & Analysis Instruments

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49% off
1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger 1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger

1 Channel 5V 9V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger

$32.87 $65.73

7 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
W1209 Temperature Controller DC 24V Thermostat Fan Controller -50-110℃ Temperature Control Relay Output W1209 Temperature Controller DC 24V Thermostat Fan Controller -50-110℃ Temperature Control Relay Output

W1209 Temperature Controller DC 24V Thermostat Fan Controller -50-110℃ Temperature Control Relay Output

$33.71 $67.42

3 sold

Categories: Tools, Measurement & Analysis Instruments

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For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications

For Raspberry Pi Raindrop Water Detection Module 12V Sensor with Adjustable Relay Control for Weather Applications

$21.62 $21.62

Categories: Tools, Measurement & Analysis Instruments

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35% off
STC 1000 LED digital thermostat for incubator temperature controller thermostat relay heating cooling 12V 24V 110V 220V STC 1000 LED digital thermostat for incubator temperature controller thermostat relay heating cooling 12V 24V 110V 220V

STC 1000 LED digital thermostat for incubator temperature controller thermostat relay heating cooling 12V 24V 110V 220V

$14.73 $22.66

58 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
3V 1 2 4 Channel Relay Module Board Low-Level Trigger With Light Relay Output 1 2 4 Way Relay Module for Arduino Raspberry 3V 1 2 4 Channel Relay Module Board Low-Level Trigger With Light Relay Output 1 2 4 Way Relay Module for Arduino Raspberry

3V 1 2 4 Channel Relay Module Board Low-Level Trigger With Light Relay Output 1 2 4 Way Relay Module for Arduino Raspberry

$32.22 $64.44

9 sold

Categories: Tools, Measurement & Analysis Instruments

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62% off
Battery Protection Board XHM604 DC 6 to 60V with for Smart Relay Control and LED Voltage Display for Energy Systems Battery Protection Board XHM604 DC 6 to 60V with for Smart Relay Control and LED Voltage Display for Energy Systems

Battery Protection Board XHM604 DC 6 to 60V with for Smart Relay Control and LED Voltage Display for Energy Systems

$13.68 $35.99

Categories: Tools, Measurement & Analysis Instruments

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51% off
Stlxy HK4100F Relay Module 1/2/3/4 Channel Optocoupler 3.3V-5V Trigger for Arduino Stlxy HK4100F Relay Module 1/2/3/4 Channel Optocoupler 3.3V-5V Trigger for Arduino

Stlxy HK4100F Relay Module 1/2/3/4 Channel Optocoupler 3.3V-5V Trigger for Arduino

$31.20 $63.67

15 sold

Categories: Tools, Measurement & Analysis Instruments

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Solid State Relay Brm-40da DC Controlled AC Module Ssr-40da Single Phase 40A D4840 Solid State Relay Brm-40da DC Controlled AC Module Ssr-40da Single Phase 40A D4840

Solid State Relay Brm-40da DC Controlled AC Module Ssr-40da Single Phase 40A D4840

$19.20 $19.20

Categories: Tools, Measurement & Analysis Instruments

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38% off
DC12V/24V 4-Digit LED Display Counter Module With Relay Output For Industrial New Digital Counter Module DC12V/24V 4-Digit LED Display Counter Module With Relay Output For Industrial New Digital Counter Module

DC12V/24V 4-Digit LED Display Counter Module With Relay Output For Industrial New Digital Counter Module

$26.64 $42.97

Categories: Tools, Measurement & Analysis Instruments

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2 Pcs Water heater air conditioning relay JQX-102F SFK-112DM 891WP-1A-C 302WP-1AH-C 2 Pcs Water heater air conditioning relay JQX-102F SFK-112DM 891WP-1A-C 302WP-1AH-C

2 Pcs Water heater air conditioning relay JQX-102F SFK-112DM 891WP-1A-C 302WP-1AH-C

$18.45 $18.45

Categories: Tools, Measurement & Analysis Instruments

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XH-M203 water level controller automatic water level controller water level switch level water pump controller 12V Relay Output XH-M203 water level controller automatic water level controller water level switch level water pump controller 12V Relay Output

XH-M203 water level controller automatic water level controller water level switch level water pump controller 12V Relay Output

$3.37 $3.37

9 sold

Categories: Tools, Measurement & Analysis Instruments

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6% off
Solid State Relay GJ100DA GJ80DA GJ60DA GJ40DA DC AC Solid State Relay GJ100DA GJ80DA GJ60DA GJ40DA DC AC

Solid State Relay GJ100DA GJ80DA GJ60DA GJ40DA DC AC

$18.35 $19.52

Categories: Tools, Measurement & Analysis Instruments

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110/220V Refrigerator PTC Starter Relay Compressor Overload Protector Refrigerator PTC Starting Relay 1/2 1/3 1/5 1/6 For HP 110/220V Refrigerator PTC Starter Relay Compressor Overload Protector Refrigerator PTC Starting Relay 1/2 1/3 1/5 1/6 For HP

110/220V Refrigerator PTC Starter Relay Compressor Overload Protector Refrigerator PTC Starting Relay 1/2 1/3 1/5 1/6 For HP

$15.79 $15.79

2 sold

Categories: Tools, Measurement & Analysis Instruments

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Categories: Tools, Measurement & Analysis Instruments

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Categories: Tools, Measurement & Analysis Instruments

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Categories: Tools, Measurement & Analysis Instruments

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