Siemens 40A 690V Motor Protection Circuit Breaker Magnetic Sensing 3 Poles 3RV2021-4FA10

Siemens 3RV2021-4FA10 Motor Protection Circuit Breaker is a high-quality safety device engineered to protect industrial motors from damage caused by overcurrent and short circuits. Rated at 40 amperes and designed to operate up to 690 volts, this circuit breaker is part of the trusted Siemens SIRIUS series, ensuring dependable motor safeguarding for demanding applications.

The device includes magnetic sensing technology, which allows rapid detection and interruption of fault currents, enhancing operational safety and equipment longevity. It supports an 18.5 kW power rating at 440 volts, making it suitable for heavy-duty industrial motor setups, such as manufacturing and conveyor systems where motor reliability is critical.

With a wide temperature tolerance from -20°C to 40°C, this motor protection circuit breaker can perform effectively in various environmental conditions, though it is not recommended for high-altitude settings due to cooling limitations. The compact form factor measures 97 mm in length, 45 mm in width, and 91 mm in depth, facilitating easy integration into electrical panels.

The unit’s energy-efficient design results in a minimal power loss of approximately 7 watts during operation. Additionally, its robust construction supports a mechanical service life of 100,000 switching cycles, promoting long-term usability and reduced maintenance needs.

Installation is made straightforward with screw connection terminals. The product carries multiple international standards and certifications including CCC, VDE, UL, UKCA, RoHS, LRS, EAC, CSA, CE, ABS, and ATEX, reflecting global compliance and safety assurance.

As an environmentally conscious product, it features an extended product life and low carbon manufacturing process as part of Siemens' Better World program. The Motor Protection Circuit Breaker is primarily intended for industrial, manufacturing, and automation settings requiring reliable motor circuit protection.

Compact dimensions optimize panel space. Magnetic sensing for prompt fault detection. Energy efficient with low power loss. Wide operating temperature range. Durable design supports high switching cycles. Easy installation with screw connections.

Suitable for dry and indoor environments. Complies with numerous international safety standards. Contributes to sustainable manufacturing and reduced carbon footprint. Explore more motor protection devices and industrial electrical components at EnvMart to find reliable solutions for your automation and control needs.