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.
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