3VA9144-0SB20 SIEMENS

The 3VA9144-0SB20 cover frame from Siemens is an essential accessory designed to enhance the functionality and safety of your 3VA6 circuit breaker system. Specifically engineered for 4-pole circuit breakers equipped with an Electronic Trip Unit (ETU), this cover frame provides a secure and protective barrier. It is perfectly compatible with 3VA6 circuit breakers in the 150/250 frame size range. With precise dimensions of 139.6mm in width and 100.8mm in height, the cover frame ensures a seamless fit and professional appearance. Its primary function is to offer an additional layer of insulation, safeguarding against accidental contact with live components. This added protection minimizes the risk of electrical hazards, promoting a safer working environment. The cover frame also contributes to the overall robustness of the circuit breaker, shielding it from dust, debris, and other environmental factors. By preventing the ingress of contaminants, it helps maintain the long-term reliability and performance of the circuit breaker. Easy to install and durable in construction, the 3VA9144-0SB20 cover frame is a valuable addition to any electrical installation utilizing Siemens 3VA6 circuit breakers.