Siemens SIRIUS Motor Protection Circuit Breaker (3RV2031-4PA15)
Ensure the safety and longevity of your industrial motors with the Siemens 3RV2031-4PA15. Part of the renowned SIRIUS innovation line, this 3-pole motor starter protector is engineered to provide reliable protection against short circuits, overloads, and phase failures.
This specific model includes a factory-installed transverse auxiliary switch (1NO + 1NC), allowing for seamless integration into your control and signaling circuits.
Key Features
Comprehensive Protection: Combines the functions of a circuit breaker, disconnect, and thermal overload relay into one compact unit.
High Breaking Capacity: Rated for up to 690VAC, making it suitable for demanding industrial power environments.
Integrated Auxiliary Switch: Features a transverse 1NO-1NC contact set for status signaling or interlocking purposes.
Magnetic Trip: Provides instantaneous protection against high-level short circuits to prevent catastrophic equipment damage.
Size S2 Frame: Designed for the Siemens S2 modular system, ensuring easy mounting on standard DIN rails or busbar systems.
Technical Specifications
⚠️ Condition Note
Functional with Aesthetic Flaw: One corner of the unit’s plastic housing was damaged during shipping. While the internal mechanical and electrical components remain intact and functional, please review the provided photos carefully to ensure the damage does not interfere with your specific mounting requirements.
Usage Tip
The 3RV2 series is optimized for the protection of three-phase motors. When installing, ensure the current setting matches the Full Load Amps (FLA) listed on your motor’s nameplate for precise thermal overload protection.
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