The 121734 is a motor protective circuit breaker designed for heavy starting duty applications. It features motor protection functions, including overload release, and is suitable for three-pole configurations. The device is electronic with a rated operational power of up to 15 kW at AC-3, 380/400 V, 50 Hz, and a rated operational voltage of at least 690 V. It has a breaking capacity of 100,000 A and a lifespan of approximately 50,000 electrical operations at 400 V AC-3. The 121734 offers protection levels with terminal degrees of IP00 and IP20 and measures 101 mm in depth. It is rated for a maximum current of 32 A and a voltage of 690 V, making it suitable for motor circuit protection in various industrial settings.

Eaton specialises in power management and industrial automation solutions, offering products such as circuit protection, drives, control systems, and hydraulic components. Their technologies focus on improving efficiency, safety, and sustainability across diverse industries.