Part#: PB16HS

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Relay Rack – 16-Position Discrete

Part#: PB16HS Categories: ,

Discrete 16-Position Relay Rack



The PB16HS relay rack can be used with up to sixteen discrete I/O modules, including input modules, output relays, override relays, watchdog timers, and mechanical relays. On the signal side, it features a 50-pin header connector for easy interface via standard IDC ribbon cables. Terminal blocks accept insulated wire with stripped ends or ferrules. Each power side point is individually isolated from each other.

Compatible with modules from Western Reserve (WRC), Opto 22, Crydom, Gordos, and Grayhill.

Additional information


10.0" (L) x 3.3" (W)

Host Interface(s)


# of Ports


  • • Supports up to sixteen I/O modules
  • • Logic side connection is via 50-pin header
  • • Accepts 12-22 gage insulated wire with stripped ends or ferrules
  • • Each power side point is individually isolated
  • • Signal side has a common DC return and common logic supply bus (+Vcc) for negative-true logic applications
  • • Designed for panel mounting with four stand-offs
  • • Power-side terminals are polarized for DC applications and non-polarized for AC applications
  • • Compatible with modules from WRC (WRC4), Opto 22 (G4), Grayhill (G5), and Crydom (C4)


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