Siemens 3VA1150-6MH36-0AA0

The 3VA11 model is a low voltage motor circuit protector designed to provide reliable thermal and magnetic protection for motors. With a rated current of 50A and a breaking capacity of 70kA at 415V, it ensures effective short-circuit protection. The device features a thermal-magnetic trip unit (TM120M) with an adjustable setting range, enabling adaptation to various operational conditions.

Designed for robust performance, this circuit breaker supports a rated voltage of 690V and is suitable for three-pole applications. Its IP40 protection class makes it suitable for a variety of environments, and it can operate effectively in temperatures ranging from -25°C to 70°C.

Connection is facilitated through box terminals, and it is constructed for fixed installation. Notably, it lacks overload protection and does not include integrated earth fault protection. The dimensions of the device are 76.2 mm in width, 130 mm in height, and 70 mm in depth, making it compact for various installations.

In terms of mechanical endurance, the product is rated for 20,000 operating cycles under typical mechanical conditions, ensuring long-term reliability in demanding applications. This model aligns with the requirements outlined in IEC standards, specifically focusing on the operational reliability of motor protection in industrial settings.