3VA9143-0SB20 SIEMENS

The 3VA9143-0SB20 cover frame from Siemens is an essential accessory designed specifically for 3-pole circuit breakers equipped with an Electronic Trip Unit (ETU). It is compatible with 3VA6 circuit breakers in the 150/250 frame size. This cover frame provides a protective and aesthetically pleasing finish to the circuit breaker installation. With dimensions of 104.6mm in width and 100.8mm in height, the frame ensures a precise fit and seamless integration. It enhances the overall safety of the electrical system by preventing accidental contact with live components. The robust construction of the cover frame guarantees durability and long-lasting performance. Its easy installation process minimizes downtime during maintenance or upgrades. The cover frame contributes to a professional and organized appearance within electrical panels and enclosures. Siemens' commitment to quality ensures that this accessory meets stringent industry standards, providing reliable protection and functionality.