Key Features

  • Designed to meet UL864 10th Edition requirements
  • 3 x Form C relay outputs
  • Each relay can be programmed to activate on alarm, supervisory or trouble
  • Extensive front unit status indications
  • Quick and easy to install


The Velocity Form C Relay Module has three form C relays which can be used to perform actions such as controlling lift operation, starting fire pumps or stopping ventilation fans during an alarm. Each relay output can be configured as a common alarm, common trouble, common supervisory or as a programmable output via the Velocity MMP settings. 

The Velocity Form C Relay Module is designed to be DIN mounted inside of a Velocity control panel and powered by and interfaced to the Velocity MMP using an RJ45 connection.


All components in the Velocity range are UL certified and comply with the requirements of Underwriters Laboratories (UL) 864 Control Units and Accessories for Fire Alarm Systems 10th Edition.

Tech Specs

Design StandardUL864 10th Edition
ApprovalUL Laboratories
Relay TypeForm C x 3
Switching Capacity5A, 30 VDC (resistive)5A, 250 VAC (general use)
Operating Temperature0°C (32°F) to 49°C (120°F)
Max Humidity93% Non-Condensing
Size (W x H x D)97mm x 103mm x 46mm
Terminal Wiring Size18 AWG to 14 AWG (0.8mm2  to 2.5mm2)
Relay ModesCommon alarm, common trouble,Common supervisory or Programmable



Velocity Form C Relay Module

Velocity Relay Module, Form C

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