The ABB 1SDA062137R1 is a high-quality accessory designed specifically for use with circuit breakers in the T7 range. This key lock, identified as EQ.N.20007, ensures secure operation and control, providing an added layer of safety and functionality. It is ideal for applications requiring restricted access to circuit breaker operations. The product features a robust design with a net and gross weight of 1 lb each, ensuring durability and ease of installation. With its precise compatibility and ABB's renowned manufacturing quality, this key lock accessory is essential for maintaining system integrity and security in electrical installations.