Siemens Building Technology QAA2230.EWSN Sensor 318518-761 This OEM compressor protector utilizes

This OEM compressor protector utilizes a Klixon thermal overload mechanism to monitor motor current and surface temperature in real-time

The ASCO 310-422 utilizes Nitrile components

providing stable power distribution to compressor modules and EXV controllers

Multi-Orientation Mounting: The housing supports versatile installation

the Sporlan 903029P (Type LAC-5-180) is the industry standard for maintaining stable head pressure during low ambient conditions

Siemens Building Technology QAA2230.EWSN Sensor 318518-761 This OEM compressor protector utilizesThe Siemens Building Technology QAA2230. EWSN is a professional grade room temperature sensor engineered for precise environmental monitoring in commercial and industrial HVAC applications. This 10k Ohm Type 2 thermistor offers high accuracy sensing within a range of 32F to 122F (0C to 50C), making it a staple for Building Automation Systems (BAS) requiring reliable NTC resistance signals. Designed as a "blank front" unit, the EWSN model features no