Siemens Industrial Controls 3RU2116-1DB0 Relay 320735-701 If the switch remains open

If the switch remains open while the system is dry

this Robertshaw control features a temperature range of 175°F to 550°F

making it a staple for contractors maintaining large-scale HVACR equipment

it is time for a replacement to prevent assembly damage

this switch prevents operation during blocked vent or blower failure conditions

Siemens Industrial Controls 3RU2116-1DB0 Relay 320735-701 If the switch remains openThe Siemens Sirius 3RU2116 1DB0 is a precision engineered thermal overload relay designed for demanding motor protection in industrial and HVACR environments. Built for S00 frame size contactors, this Class 10 trip device covers an adjustable current range of 2. 2 to 3. 2 Amps. It provides critical protection against overloads and phase failure by monitoring symmetrical loads through its bimetal strips. The unit features integrated 1 NO + 1 NC