Installation Instructions

Appendix D Bell Relay Connections 29
Appendix D – Bell
Relay Connections
The CT series clock has a built-in relay that can control bells or door
access.
Relay Specifications
Type: Dry Contact Closure
Rating: 2 amps at 24VDC or 120VAC
Contacts: NO-Normally Open, COM-Common, NC-Normally
Closed
Bell Relay Connections
When you are connecting to a signaling device make sure you have the
following skills:
Understand basic wiring principles and techniques
Can interpret wiring diagrams
Have circuit wiring experience
Note: The wiring must be installed in accordance with national and local
electrical codes.
To connect the signaling device
Unplug the relay screw terminal connector on the back of the
clock.