Siemens Industrial Controls 3RV2021-4CA10 Motor Starter 321042-401 The plastic duct mount enclosure

The plastic duct mount enclosure includes an integrated mounting flange and a pre-installed foam pad to effectively dampen mechanical vibrations

Enhanced Component Longevity: Prevents electrical discharge machining (EDM) damage to bearings

ensuring a seamless fit without the need for extensive piping modifications

Does this board handle both high and low pressure inputs

verify the shaft dimensions and mounting hole patterns before attempting to retrofit legacy non-B series units

Siemens Industrial Controls 3RV2021-4CA10 Motor Starter 321042-401 The plastic duct mount enclosureThe Siemens 3RV2021 4CA10 is a heavy duty SIRIUS 3RV2 motor starter protector engineered for precise motor protection and switching in industrial load feeders. This size S0 manual motor starter features a wide thermal adjustment range of 17 22A, allowing for exact calibration to the motor's Full Load Amps (FLA) via the integrated rotary handle. Designed for three phase motors up to 11kW at 400V, it provides reliable Class 10 overload trip