B4X-15140 & B7-15140
The B4X-15140 and B7-15140 are designed to provide ambient sensing control of electric heat tracing circuits for freeze protection of piping and vessels. These adjustable thermostats can be used to control a single heating circuit or as pilot control of a contactor switching multiple heat tracing circuits.
B4X-15140 An epoxy polyamide coated die-cast aluminum NEMA 4X enclosure provides watertight, dust tight and corrosion-resistant protection to the thermostat switch.
B7-15140 An aluminum lacquer finished die-cast aluminum enclosure provides NEMA 4 (watertight and dust tight) and NEMA 7/NEMA 9 (explosion proof) protection to the thermostat switch. The tamper-resistant, threaded and gasketed aluminum dial cover is externally adjustable.
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