Siemens Motor Protection Circuit Breaker 42, 52A, Magnetic Sensing, 20V to 690V, IP20, 3 Poles, -20°C to 60°C 3RV2031-4WA10

The Siemens 3RV2031-4WA10 Motor Protection Circuit Breaker is engineered to safeguard 3-phase motors with current ratings from 42 to 52 amperes. Utilizing magnetic sensing, this circuit breaker offers efficient overload and short circuit protection, automatically disconnecting power to prevent equipment damage and reduce maintenance downtime.

This device is part of the Siemens Sirius Innovation 3RV2 series, built for industrial environments demanding reliable motor protection. Its compact dimensions (140mm length, 55mm width, 149mm depth) conserve valuable panel space while maintaining robustness.

Designed to operate within a wide temperature range of -20°C to 60°C, the unit supports supply voltages from 20 to 690 volts, accommodating diverse electrical systems. Installation is simplified through versatile mounting options, including snap-fit engagement on standard 35mm DIN rails and screw terminal fixtures on flat surfaces.

Featuring a Class 10 trip class rating, it ensures rapid tripping within 10 seconds upon detecting six times the maximum thermal current rating. This fast response enhances workplace safety and limits damage to connected components.

The motor protection circuit breaker includes three poles and offers IP20 protection rating, making it suitable for indoor installation in controlled environments. It adheres to a wide array of certifications and standards such as ABS, ATEX, CCC, CE, CSA, EAC, LRS, RoHS, UKCA, UL, and VDE, ensuring compliance and quality assurance.

This Siemens product contributes to sustainable industrial practices with extended product life and low carbon manufacturing processes. Supports supply voltages from 20 to 690 volts. Features a compact design with 55mm width, ideal for control cabinets.

Three-pole circuit breaker suitable for varied industrial applications. Operates effectively between -20°C to 60°C ambient temperatures. Equipped with top and bottom electrical connectors for installation flexibility. Class 10 trip class ensures fast response within 10 seconds at six times the rated current.

Magnetic sensing technology provides precise motor protection. Slim design allows snap-fit on 35mm DIN rails or screw mounting on flat surfaces. Complies with multiple international standards including CE, UL, CSA, RoHS, and VDE.

This Motor Protection Circuit Breaker is ideal for industrial, manufacturing, electrical automation, and HVAC applications requiring reliable motor control and protection. Its robust design and comprehensive certifications support long-term operational stability.

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