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Dual Relay Board Kit: 2x GR2L-14 Relays, 12A, 12V US$24.99

Dual Relay Board Kit: 2x GR2L-14 Relays, 12A, 12V

Once properly assembled, the Dual Relay Board Kit allows you to control two high-power devices up to 8A each via the included Omron mechanical relays. The Dual Relay Board can be used to turn lights, fans and motors on/off while keeping them isolated from the microcontroller. Independent control of each relay is provided via a 2 3 header making it friendly with servo cables and providing a convenient connection to many development boards, such as the BASIC Stamp 2 Board of Education, Propeller Board of Education, or the Propeller Professional Development Board. LEDs indicate relay status.

Dual Relay Board Kit Features

  • Comes as a kit providing lower cost
  • Control two high-power devices with one kit
  • Provides isolation between microcontroller and device being controlled
  • Easy screw terminals for relay contact and power connections
  • 3-pin servo style headers for easy connection using standard servo cables
  • LED indicators provide status of each relay
  • Control signals are 3.3V/5V compatible
  • Voltage requirements: 12V
  • Current requirements: 85 mA
  • Communication: TTL/CMOS Logic (high/low)
  • Dimensions: 2.3 1.8 0.7 inches (58.4 45.8 1.8 mm)
  • Operating temp range: -40 to +185 F (-40 to +85 C)

Kit Contents

  • Four 2-position Screw Terminal Blocks
  • Header Connector, 2 3, 0.1", Straight
  • Two Omron Relays, G2RL-14-DC12, SPDT, 12A, 12V DC
  • Four Resistors, 1K, 5%, 1/4 W, CF
  • Two LEDs, Red, T1-3/4
  • Two 1N4004 Diodes, Rectifier, 1V, 400V, 1A, Axial
  • Two 2N3904 NPN Transistors, TO-92
  • Bare PCB, Dual Relay Board

View of Assembled Board

The following image shows what the board should look like when assembled, and shows power wires attached for illustration purposes.

Dual Relay Board Kit Resources

This product was added to our catalog on Friday 08 June, 2012.


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2-pin Female Connector Harnesses, Pack of 4, with 4 Wires
2-pin Female Connector Harnesses, Pack of 4, with 4 Wires
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