TMD4 bimetallic thermostats offer two threshold points in a single instrument. They control maximum and minimum system temperature. Electric contacts can be either normally open and normally closed. Bronze hexagonal body comes with key of 27 mm and can by supplied with hydraulic connection 12 BSPM or M221, both with integrated DIN3869 seal. Electric protection is IP65, with classic connector DIN3030mm or circular connector M121 (IP67).
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