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The System Sensor 2251TB is an Intelligent Addressable Photoelectric Smoke Sensor w/ Thermal (135°F / 57
CUL and CSFM Listed
Support for Class B wiring
The Edwards EST M500XF is an Addressable Fault Isolator Module is compatible for use with EST3 Systems
Gamewell FCI ATD-RL2 Addressable Thermal Sensor System Sensor 5251H The System Sensor 2251TB isThe FCI ATD RL2 is an addressable plug in rate of rise temperature sensor with 135F fixed temperature alarm. for use with Gamewell FCI analog addressable fire alarm controls. COMPATIBLE INTELLIGENT BASES: B210LP Standard U. S. flanged low profile mounting base. B710LP Standard replacement flanged low profile mounting base. B501 Standard European flangeless mounting base. B200S Intelligent, programmable sounder base B200SR Intelligent sounder base