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Class A circuit
low-profile intelligent rate-of-rise fixed thermal sensor
The 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
Johnson Controls
NEW NOTIFIER FSP-951-IV INTELLIGENT PHOTOELECTRIC SMOKE SENSOR M500R Class A circuitNOTIFIER FSP 951 IV LOW PROFILE INTELLIGENT PHOTOELECTRIC SMOKE SENSOR Models FSP 951 and FSP 951 IV are plug in type smoke sensors that combine a photoelectronic sensing chamber with addressable analog communications. The sensors transmit an analog representation of smoke density over a communication line to a control panel. Rotary dial switches are provided for setting the sensors address.
