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Siemens/powers low temp. detection cut-out #134-1504
Siemens/Powers Controls Low Temperature Detection Cut-out and Alarm Thermostat #134-1504
The electric Low Temperature Detection Cut-out and Alarm Thermostat is a remote bulb instrument which opens an electrical circuit to stop the supply fan motor and/or closes an outside air damper when the temperature at the sensing element falls below the setting of the instrument. Simultaneously, it closes a circuit to indicate an alarm condition.
This thermostat incorporates a temperature sensing element of the vapor-filled type which actuates a heavy duty contact through a rugged link mechanism. Any one-foot length of the element subjected to temperatures below the temperature setting of the thermostat will actuate the thermostat switch mechanism regardless of the temperature being sensed by the remainder of the element. This makes the thermostats ideal for protecting large coils where air stratification could cause free
zing conditions in a localized area. The thermostat has a main and auxiliary contact unit. The main load circuit (LINE-M2) opens on temperature drop and simultaneously, an auxiliary or alarm circuit (LINE-Ml) closes on temperature drop.
Easy temperature setting with adjusting screw on top of enclosure
* Mounting bracket and two screws included
* Main and separate reverse-acting auxiliary contacts
Range: 15° to 55°F (-9 to 13°C)
* Maximum bulb temperature: 400°F (204°C)
* Minimum differential: 5°F (2.8°C) Non-adjustable
* Sensing element: Vapor filled
* Bulb length: 1/8-inch OD x 20 feet (6 m)
Full manual with Electrical Ratings, in PDF format, can be found at: http://www.sbt.siemens.com/sbttemplates/library/pdf/155016.pdf
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