Dual SSR Relay Board

PhidgetsSKU: RB-Phi-281
Manufacturer #: 3053_0

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Sale price £28.80

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  • Dual SSR Relay Board
  • Provides protection from output to input
  • Safe to use with sensitive control devices
  • Onboard 47V bidirectional transport
  • Optoisolation between the control inputs and outputs
  • Can be controlled with 5V digital outputs

The Dual SSR Relay Board is safe to use with sensitive control devices like microprocessors, and will not damage a Phidget device or your PC. Optoisolation between the control inputs and outputs of the SSR in the form of a GaAs LED paired with a set of optically-controlled MOSFETs provides protection from output to input. An onboard 47V bidirectional transport across the relay output protects the board from static electricity and surges from inductive loads.

  • 1x Dual SSR Relay Board

  • 2.0 x 2.0 x 0.62 inch (L x W x H)
  • Relay Output Type: MOSFET
  • Isolation Method: Photoelectric
  • Dielectric Strength: 5.3 kV AC
  • Control Voltage Min: 3 V DC
  • Control Voltage Max: 30 V DC
  • Control Current: 10 mA
  • Load Voltage Max (DC): 40 V DC
  • Load Voltage Max (AC): 28 V AC
  • Load Current Max (AC): (per channel) 9 A
  • Load Current Max (DC): (per channel) 9 A
  • Turn-on Time Max: 1.9 ms
  • Turn-off Time Max: 0.16 ms
  • Contact Resistance Max: 50 mΩ
  • Switching Speed Max: 300 cps


  • Recommended Wire Size (Control): 16 - 26 AWG
  • Recommended Wire Size (Load): 12 - 24 AWG
  • Operating Temperature Min: -40 °C
  • Operating Temperature Max: 100 °C

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