Siemens (CRM-4) Controllable Relay Module 500-890401
The Siemens CRM-4 Controllable Relay Module 500-890401 is designed to provide auxiliary control of building functions, such as: door-holder release; elevator capture; smoke control; lock release, etc.
If you should have any questions regarding this, or any life safety device, contact the Life Safety Consultants team at (888) 557-0558 or email us at email@example.com
|Dimensions||4.3 × 4.5 × 6.5 in|
Controllable, Smoke Detector