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40% off
3 Channel 5A DMX512 Controlled Relay Switch Kit DIY Converter DMX Dimmer Relay 3 Channel 5A DMX512 Controlled Relay Switch Kit DIY Converter DMX Dimmer Relay

3 Channel 5A DMX512 Controlled Relay Switch Kit DIY Converter DMX Dimmer Relay

$14.28$23.80

30% off
Tuya Smart Life ZigBee Circuit Breaker Din Rail 1P Single Pole Dry Contact Timer Relay App Remote Control Smart Timer Tuya Smart Life ZigBee Circuit Breaker Din Rail 1P Single Pole Dry Contact Timer Relay App Remote Control Smart Timer

Tuya Smart Life ZigBee Circuit Breaker Din Rail 1P Single Pole Dry Contact Timer Relay App Remote Control Smart Timer

$15.66$22.37

38% off
Electromagnetic Relay Demonstrator Teaching Instrument Demonstration Model For Electromagnetics Teaching Demonstration Electromagnetic Relay Demonstrator Teaching Instrument Demonstration Model For Electromagnetics Teaching Demonstration

Electromagnetic Relay Demonstrator Teaching Instrument Demonstration Model For Electromagnetics Teaching Demonstration

$6.08$9.80

1 sold
45% off
4 Pcs Refrigerator Starter Insert Freezer Relay Plastic Mini-fridge Compressor Device 4 Pcs Refrigerator Starter Insert Freezer Relay Plastic Mini-fridge Compressor Device

4 Pcs Refrigerator Starter Insert Freezer Relay Plastic Mini-fridge Compressor Device

$9.36$17.02

Physical Study Aids Electromagnetic Relay School Teaching Instruments Physical Electrical Experimental Equipment Kids Gift

Physical Study Aids Electromagnetic Relay School Teaching Instruments Physical Electrical Experimental Equipment Kids Gift

$9.15$9.15

42% off
Single Channel Time Delay Relay Module Control Board DC5V FC-32 Single Channel Time Delay Relay Module Control Board DC5V FC-32

Single Channel Time Delay Relay Module Control Board DC5V FC-32

$4.27$7.36

40% off
Dual Battery Isolator Relay Start On/Off 4 Pin 500A 12V For Car Power Switch Dual Battery Isolator Relay Start On/Off 4 Pin 500A 12V For Car Power Switch

Dual Battery Isolator Relay Start On/Off 4 Pin 500A 12V For Car Power Switch

$9.91$16.52

3% off
1 Pcs Fun Science Teaching Equipment Electromagnet Relay Physical Experiment Equipment School Student Supplies 1 Pcs Fun Science Teaching Equipment Electromagnet Relay Physical Experiment Equipment School Student Supplies

1 Pcs Fun Science Teaching Equipment Electromagnet Relay Physical Experiment Equipment School Student Supplies

$5.33$5.50

22% off
Stepper Motor Controller PLC Programmable Controller Board FX1N 20MR Programmable Relay Delay Module Motor Regulator Stepper Motor Controller PLC Programmable Controller Board FX1N 20MR Programmable Relay Delay Module Motor Regulator

Stepper Motor Controller PLC Programmable Controller Board FX1N 20MR Programmable Relay Delay Module Motor Regulator

$25.28$32.41

2% off
GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay

GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay

$12.48$12.84

3% off
GEYA GRT8-M1 on Off Time Delay Relay 16A AC/DC12V-240V Multifunction Din Rail Automatic Timer Relay GEYA GRT8-M1 on Off Time Delay Relay 16A AC/DC12V-240V Multifunction Din Rail Automatic Timer Relay

GEYA GRT8-M1 on Off Time Delay Relay 16A AC/DC12V-240V Multifunction Din Rail Automatic Timer Relay

$18.95$19.66

5% off
Working principle of children's science electric bell experiment, DIY assembly of electromagnetic relay toys Working principle of children's science electric bell experiment, DIY assembly of electromagnetic relay toys

Working principle of children's science electric bell experiment, DIY assembly of electromagnetic relay toys

$89.30$94.00

5% off
Electromagnetic Relay Student Physics Electromagnetics Teaching Instrument Demonstration Teaching Tool Electromagnetic Relay Student Physics Electromagnetics Teaching Instrument Demonstration Teaching Tool

Electromagnetic Relay Student Physics Electromagnetics Teaching Instrument Demonstration Teaching Tool

$23.75$25.00

5% off
1PCS Electromagnetic Relay Physics Experimental Model Junior High School Physics Electrical Experimental Equipment 1PCS Electromagnetic Relay Physics Experimental Model Junior High School Physics Electrical Experimental Equipment

1PCS Electromagnetic Relay Physics Experimental Model Junior High School Physics Electrical Experimental Equipment

$127.30$134.00

5% off
16 channel 5V relay module (low level trigger) DIY model material optocoupler protection electromagnetic relay 16 channel 5V relay module (low level trigger) DIY model material optocoupler protection electromagnetic relay

16 channel 5V relay module (low level trigger) DIY model material optocoupler protection electromagnetic relay

$90.25$95.00

30% off
AC 220V 30A 1CH 433MHz Wireless Remote Control Switch RF Relay Receiver + On/Off Transmitter for Electric Appliance Lamp AC 220V 30A 1CH 433MHz Wireless Remote Control Switch RF Relay Receiver + On/Off Transmitter for Electric Appliance Lamp

AC 220V 30A 1CH 433MHz Wireless Remote Control Switch RF Relay Receiver + On/Off Transmitter for Electric Appliance Lamp

$6.84$9.77

52% off
4 Pcs Starter Insert Power Machine Refrigerator Relay Compressor Device Fridge Launcher Plug-in Freezer Tool Run 4 Pcs Starter Insert Power Machine Refrigerator Relay Compressor Device Fridge Launcher Plug-in Freezer Tool Run

4 Pcs Starter Insert Power Machine Refrigerator Relay Compressor Device Fridge Launcher Plug-in Freezer Tool Run

$21.05$43.85

58% off
GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay

GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay

$64.48$153.53

10% off
Physical Study Aids Electromagnetic Relay School Teaching Instruments Physical Electrical Experimental Equipment Kids Gift

Physical Study Aids Electromagnetic Relay School Teaching Instruments Physical Electrical Experimental Equipment Kids Gift

$8.53$9.48

3% off
GEYA Delay Timer Switch AC/DC 12V-240V Mini Power on Delay Time Relay DIN Rail Type GRT8-A1 GEYA Delay Timer Switch AC/DC 12V-240V Mini Power on Delay Time Relay DIN Rail Type GRT8-A1

GEYA Delay Timer Switch AC/DC 12V-240V Mini Power on Delay Time Relay DIN Rail Type GRT8-A1

$18.89$19.60

2% off
2PCs Dual Time Adjustable Cycle Delay Timing Relay Repeat on OFF Switch Infinite Loop Timer Module AC 100V 110V 240V 2PCs Dual Time Adjustable Cycle Delay Timing Relay Repeat on OFF Switch Infinite Loop Timer Module AC 100V 110V 240V

2PCs Dual Time Adjustable Cycle Delay Timing Relay Repeat on OFF Switch Infinite Loop Timer Module AC 100V 110V 240V

$12.72$13.08

40% off
Waveshare 5V 3-Channel Relay Module Expansion Board Breakout Shield HAT Kit for RPI Raspberry Pi Zero 2 W WH 2W 3 Waveshare 5V 3-Channel Relay Module Expansion Board Breakout Shield HAT Kit for RPI Raspberry Pi Zero 2 W WH 2W 3

Waveshare 5V 3-Channel Relay Module Expansion Board Breakout Shield HAT Kit for RPI Raspberry Pi Zero 2 W WH 2W 3

$12.50$20.84

31% off
PWM Relay Switch 5V Receiver 20A Electronic Controller Module DIY Model Universal On-Off for FPV RC Drone Airplane Parts PWM Relay Switch 5V Receiver 20A Electronic Controller Module DIY Model Universal On-Off for FPV RC Drone Airplane Parts

PWM Relay Switch 5V Receiver 20A Electronic Controller Module DIY Model Universal On-Off for FPV RC Drone Airplane Parts

$4.65$6.74

3% off
GEYA GRL8-02 Liquid Control Relay Level Control Relay 10A ACDC24V-240V Wide Range Voltage Water Pump Relay GEYA GRL8-02 Liquid Control Relay Level Control Relay 10A ACDC24V-240V Wide Range Voltage Water Pump Relay

GEYA GRL8-02 Liquid Control Relay Level Control Relay 10A ACDC24V-240V Wide Range Voltage Water Pump Relay

$22.45$23.34

5% off
electromagnetic physics physical experiment equipment Demonstration electromagnetic relay physics experiment equipment electromagnetic physics physical experiment equipment Demonstration electromagnetic relay physics experiment equipment

electromagnetic physics physical experiment equipment Demonstration electromagnetic relay physics experiment equipment

$98.99$104.20

1 sold
40% off
3 Channel 5A DMX512 Controlled Relay Switch Kit DIY Converter DMX Dimmer Relay 3 Channel 5A DMX512 Controlled Relay Switch Kit DIY Converter DMX Dimmer Relay

3 Channel 5A DMX512 Controlled Relay Switch Kit DIY Converter DMX Dimmer Relay

$14.28 $23.80

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
30% off
Tuya Smart Life ZigBee Circuit Breaker Din Rail 1P Single Pole Dry Contact Timer Relay App Remote Control Smart Timer Tuya Smart Life ZigBee Circuit Breaker Din Rail 1P Single Pole Dry Contact Timer Relay App Remote Control Smart Timer

Tuya Smart Life ZigBee Circuit Breaker Din Rail 1P Single Pole Dry Contact Timer Relay App Remote Control Smart Timer

$15.66 $22.37

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
38% off
Electromagnetic Relay Demonstrator Teaching Instrument Demonstration Model For Electromagnetics Teaching Demonstration Electromagnetic Relay Demonstrator Teaching Instrument Demonstration Model For Electromagnetics Teaching Demonstration

Electromagnetic Relay Demonstrator Teaching Instrument Demonstration Model For Electromagnetics Teaching Demonstration

$6.08 $9.80

1 sold

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
45% off
4 Pcs Refrigerator Starter Insert Freezer Relay Plastic Mini-fridge Compressor Device 4 Pcs Refrigerator Starter Insert Freezer Relay Plastic Mini-fridge Compressor Device

4 Pcs Refrigerator Starter Insert Freezer Relay Plastic Mini-fridge Compressor Device

$9.36 $17.02

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
Physical Study Aids Electromagnetic Relay School Teaching Instruments Physical Electrical Experimental Equipment Kids Gift

Physical Study Aids Electromagnetic Relay School Teaching Instruments Physical Electrical Experimental Equipment Kids Gift

$9.15 $9.15

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
42% off
Single Channel Time Delay Relay Module Control Board DC5V FC-32 Single Channel Time Delay Relay Module Control Board DC5V FC-32

Single Channel Time Delay Relay Module Control Board DC5V FC-32

$4.27 $7.36

Categories: Office & School Supplies, Educational Equipment & Supplies

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40% off
Dual Battery Isolator Relay Start On/Off 4 Pin 500A 12V For Car Power Switch Dual Battery Isolator Relay Start On/Off 4 Pin 500A 12V For Car Power Switch

Dual Battery Isolator Relay Start On/Off 4 Pin 500A 12V For Car Power Switch

$9.91 $16.52

Categories: Office & School Supplies, Educational Equipment & Supplies

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3% off
1 Pcs Fun Science Teaching Equipment Electromagnet Relay Physical Experiment Equipment School Student Supplies 1 Pcs Fun Science Teaching Equipment Electromagnet Relay Physical Experiment Equipment School Student Supplies

1 Pcs Fun Science Teaching Equipment Electromagnet Relay Physical Experiment Equipment School Student Supplies

$5.33 $5.50

Categories: Office & School Supplies, Educational Equipment & Supplies

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22% off
Stepper Motor Controller PLC Programmable Controller Board FX1N 20MR Programmable Relay Delay Module Motor Regulator Stepper Motor Controller PLC Programmable Controller Board FX1N 20MR Programmable Relay Delay Module Motor Regulator

Stepper Motor Controller PLC Programmable Controller Board FX1N 20MR Programmable Relay Delay Module Motor Regulator

$25.28 $32.41

Categories: Office & School Supplies, Educational Equipment & Supplies

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2% off
GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay

GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay

$12.48 $12.84

Categories: Office & School Supplies, Educational Equipment & Supplies

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3% off
GEYA GRT8-M1 on Off Time Delay Relay 16A AC/DC12V-240V Multifunction Din Rail Automatic Timer Relay GEYA GRT8-M1 on Off Time Delay Relay 16A AC/DC12V-240V Multifunction Din Rail Automatic Timer Relay

GEYA GRT8-M1 on Off Time Delay Relay 16A AC/DC12V-240V Multifunction Din Rail Automatic Timer Relay

$18.95 $19.66

Categories: Office & School Supplies, Educational Equipment & Supplies

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5% off
Working principle of children's science electric bell experiment, DIY assembly of electromagnetic relay toys Working principle of children's science electric bell experiment, DIY assembly of electromagnetic relay toys

Working principle of children's science electric bell experiment, DIY assembly of electromagnetic relay toys

$89.30 $94.00

Categories: Office & School Supplies, Educational Equipment & Supplies

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5% off
Electromagnetic Relay Student Physics Electromagnetics Teaching Instrument Demonstration Teaching Tool Electromagnetic Relay Student Physics Electromagnetics Teaching Instrument Demonstration Teaching Tool

Electromagnetic Relay Student Physics Electromagnetics Teaching Instrument Demonstration Teaching Tool

$23.75 $25.00

Categories: Office & School Supplies, Educational Equipment & Supplies

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5% off
1PCS Electromagnetic Relay Physics Experimental Model Junior High School Physics Electrical Experimental Equipment 1PCS Electromagnetic Relay Physics Experimental Model Junior High School Physics Electrical Experimental Equipment

1PCS Electromagnetic Relay Physics Experimental Model Junior High School Physics Electrical Experimental Equipment

$127.30 $134.00

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
5% off
16 channel 5V relay module (low level trigger) DIY model material optocoupler protection electromagnetic relay 16 channel 5V relay module (low level trigger) DIY model material optocoupler protection electromagnetic relay

16 channel 5V relay module (low level trigger) DIY model material optocoupler protection electromagnetic relay

$90.25 $95.00

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
30% off
AC 220V 30A 1CH 433MHz Wireless Remote Control Switch RF Relay Receiver + On/Off Transmitter for Electric Appliance Lamp AC 220V 30A 1CH 433MHz Wireless Remote Control Switch RF Relay Receiver + On/Off Transmitter for Electric Appliance Lamp

AC 220V 30A 1CH 433MHz Wireless Remote Control Switch RF Relay Receiver + On/Off Transmitter for Electric Appliance Lamp

$6.84 $9.77

Categories: Office & School Supplies, Educational Equipment & Supplies

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52% off
4 Pcs Starter Insert Power Machine Refrigerator Relay Compressor Device Fridge Launcher Plug-in Freezer Tool Run 4 Pcs Starter Insert Power Machine Refrigerator Relay Compressor Device Fridge Launcher Plug-in Freezer Tool Run

4 Pcs Starter Insert Power Machine Refrigerator Relay Compressor Device Fridge Launcher Plug-in Freezer Tool Run

$21.05 $43.85

Categories: Office & School Supplies, Educational Equipment & Supplies

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58% off
GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay

GEYA GRT8-EC 10A Dual Function Timer Relay on Delay or Off Delay Relay AC230V Time Relay

$64.48 $153.53

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
10% off
Physical Study Aids Electromagnetic Relay School Teaching Instruments Physical Electrical Experimental Equipment Kids Gift

Physical Study Aids Electromagnetic Relay School Teaching Instruments Physical Electrical Experimental Equipment Kids Gift

$8.53 $9.48

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now
3% off
GEYA Delay Timer Switch AC/DC 12V-240V Mini Power on Delay Time Relay DIN Rail Type GRT8-A1 GEYA Delay Timer Switch AC/DC 12V-240V Mini Power on Delay Time Relay DIN Rail Type GRT8-A1

GEYA Delay Timer Switch AC/DC 12V-240V Mini Power on Delay Time Relay DIN Rail Type GRT8-A1

$18.89 $19.60

Categories: Office & School Supplies, Educational Equipment & Supplies

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2% off
2PCs Dual Time Adjustable Cycle Delay Timing Relay Repeat on OFF Switch Infinite Loop Timer Module AC 100V 110V 240V 2PCs Dual Time Adjustable Cycle Delay Timing Relay Repeat on OFF Switch Infinite Loop Timer Module AC 100V 110V 240V

2PCs Dual Time Adjustable Cycle Delay Timing Relay Repeat on OFF Switch Infinite Loop Timer Module AC 100V 110V 240V

$12.72 $13.08

Categories: Office & School Supplies, Educational Equipment & Supplies

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40% off
Waveshare 5V 3-Channel Relay Module Expansion Board Breakout Shield HAT Kit for RPI Raspberry Pi Zero 2 W WH 2W 3 Waveshare 5V 3-Channel Relay Module Expansion Board Breakout Shield HAT Kit for RPI Raspberry Pi Zero 2 W WH 2W 3

Waveshare 5V 3-Channel Relay Module Expansion Board Breakout Shield HAT Kit for RPI Raspberry Pi Zero 2 W WH 2W 3

$12.50 $20.84

Categories: Office & School Supplies, Educational Equipment & Supplies

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31% off
PWM Relay Switch 5V Receiver 20A Electronic Controller Module DIY Model Universal On-Off for FPV RC Drone Airplane Parts PWM Relay Switch 5V Receiver 20A Electronic Controller Module DIY Model Universal On-Off for FPV RC Drone Airplane Parts

PWM Relay Switch 5V Receiver 20A Electronic Controller Module DIY Model Universal On-Off for FPV RC Drone Airplane Parts

$4.65 $6.74

Categories: Office & School Supplies, Educational Equipment & Supplies

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3% off
GEYA GRL8-02 Liquid Control Relay Level Control Relay 10A ACDC24V-240V Wide Range Voltage Water Pump Relay GEYA GRL8-02 Liquid Control Relay Level Control Relay 10A ACDC24V-240V Wide Range Voltage Water Pump Relay

GEYA GRL8-02 Liquid Control Relay Level Control Relay 10A ACDC24V-240V Wide Range Voltage Water Pump Relay

$22.45 $23.34

Categories: Office & School Supplies, Educational Equipment & Supplies

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5% off
electromagnetic physics physical experiment equipment Demonstration electromagnetic relay physics experiment equipment electromagnetic physics physical experiment equipment Demonstration electromagnetic relay physics experiment equipment

electromagnetic physics physical experiment equipment Demonstration electromagnetic relay physics experiment equipment

$98.99 $104.20

1 sold

Categories: Office & School Supplies, Educational Equipment & Supplies

Buy Now