3RV1021-1CA15 Siemens Overview
3RV1021-1CA15 Siemens is a SIRIUS motor protection circuit breaker designed for dependable motor protection in industrial automation and motor control systems. This device helps protect motors against overload and short-circuit conditions, making it an essential component in electrical control panels and machine starter circuits.
Siemens designed this breaker in size S0 with an adjustable current range of 1.8 to 2.5 A. In addition, it features Trip Class 10 performance and a 33 A short-circuit release, which provides reliable protection for small motors and industrial loads. The unit also includes screw terminals for secure installation and a transverse auxiliary switch (1 NO + 1 NC) for signaling and control circuit integration.
Key Features of 3RV1021-1CA15 Siemens
- SIRIUS motor protection circuit breaker
- Size S0 compact design
- Adjustable current range: 1.8 to 2.5 A
- Trip Class 10 motor protection
- Short-circuit release: 33 A
- Integrated auxiliary contacts: 1 NO + 1 NC
- Screw terminal connection
- Suitable for industrial motor control panels
Applications of 3RV1021-1CA15 Siemens
Engineers use 3RV1021-1CA15 Siemens in motor starter panels, machine automation systems, pumps, fans, conveyors, compressors, and industrial control cabinets. For example, it can protect small motors from overload and fault conditions while also helping simplify manual switching and motor isolation inside the panel.
Because this device combines motor protection and switching functions in one compact unit, it helps reduce panel space and improves maintenance convenience. .
Technical Specifications of 3RV1021-1CA15 Siemens
- Brand: Siemens
- Part Number: 3RV1021-1CA15
- Series: SIRIUS
- Product Type: Motor Protection Circuit Breaker
- Size: S0
- Current Setting Range: 1.8 to 2.5 A
- Trip Class: Class 10
- Short-Circuit Release: 33 A
- Auxiliary Contacts: 1 NO + 1 NC
- Terminal Type: Screw terminals
Why Choose 3RV1021-1CA15 Siemens?
This Siemens SIRIUS breaker gives engineers a practical and reliable solution for protecting small motors in industrial systems. Therefore, it is a strong choice for panel builders, maintenance engineers, and automation professionals who need dependable overload protection and trusted Siemens quality.
References & Documentation
For official Siemens manuals and datasheets, visit Siemens Industry Support.
