The SpectrAlert Advance MWBB is a red, wall-mounted, metal, weatherproof back box.
The 4WTA-B is a 4-wire, photoelectric i3 smoke detector with thermal sensor and built-in sounder.
The SpectrAlert Advance SRHK is a red, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Includes back box.
The System Sensor BEAM1224 is transmitter / receiver unit and a reflector as fourwire conventional projected beam smoke detectors.
Hazardous areas due to the presence of flammable gases or vapors, combustible dusts or easily ignitable fibers or flyings.
The 4WITAR-B is a 4-wire, photoelectric i3 smoke detector with isolated thermal sensor, built-in sounder, and Form C relay.
The Thermotech 302 Series rate-anticipation heat detec- tors operate within a controlled range of two to three de- grees of their set points, regardless of the speed or rate of temperature rise.
The SpectrAlert Advance P4WK is a white, four-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.