Siemens Building Technology 540-652A Sensor R-134A Always verify your motor’s rotation

Always verify your motor’s rotation before installation

and select 'All from LCP' to download settings to the keypad

this 1 pole 40 amp 24V contactor offers a critical advantage: its silver cadmium oxide contacts are designed to minimize pitting and welding under heavy inductive loads

you must verify the specific blower housing part number to ensure the mounting holes align correctly

the internal bimetal disc may be defective

Siemens Building Technology 540-652A Sensor R-134A Always verify your motor’s rotationUpgrading or maintaining Siemens field panels requires precise sensing hardware. The Siemens 540 652A Room Temperature Sensor is a high performance interactive device designed specifically for Terminal Equipment Controller (TEC) applications. As a veteran in the field, you know that accurate site data is critical; this unit utilizes a highly responsive 10K ohm NTC thermistor to provide stable room temperature monitoring across a range of 55F to 95F