Pay in 4 interest-free payments of $85.50 Learn more
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
waterflow devices
Supports compatible two-wire smoke detectors
where the individual address of each module is selected using the built-in rotary decade switches
includes B501J base above
The System Sensor 1251B is a plug-in Intelligent Ionization Smoke Detector head
Edwards Est SIGA-CRR Module Polarity Reversing Relay heat detector waterflow devicesThe Edwards Est SIGA CRR Polarity Reversal Relay Module provides a Form C dry relay contact to power and activates a series of SIGA AB4G Audible Sounder Bases. Upon command from the Signature loop controller, the SIGA CRR reverses the polarity of its 24 Vdc output, thus activating all Sounder Bases on the data loop. The Control Relay Module and the Polarity Reversal Relay Module are part of the Signature Series system. They are intelligent analog
US$ 16.95
US$ 16.95
US$ 200.00
US$ 200.00
US$ 200.00
US$ 117.90
US$ 31.70
US$ 5000.00