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3RV1041-4JA10 Siemens
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 3RV1041-4JA10 is a Class 10, size S3 thermal motor protection circuit breaker from Siemens, designed for overload and short-circuit protection in three-phase AC motor circuits. It provides adjustable overload release from 45 … 63 A and a fixed instantaneous short-circuit trip at 819 A, conforming to IEC 60947 standards. It is part of the SIRIUS 3RV1/3RV2 family and was widely used in drive system line-side protection. Discontinued as of December 31, 2025, it remains relevant for legacy SINAMICS and SIMATIC drive applications. Part number: 3RV1041-4JA10.
Best Suited For
- Line-side protection in SINAMICS S120 Combi and Booksize modules
- Overload protection for three-phase motors (45-63 A range)
- Applications requiring coordination type 1 short-circuit breaking
- Replacement spare for legacy SIRIUS S3 breakers
Technical Specifications
I/O & Electrical
Communication & Power
Physical & Environmental
Certifications
Certifications include PRS and RINA marine registers; railway special test certificate; Chinese Quality Checkmark; complies with RoHS since March 1 2017.