3RV2021-4BA10 | Siemens S0 Motor Protection Circuit Breaker 13–20A Class 10

Description 

The Siemens 3RV2021-4BA10 is a motor protection circuit breaker designed for reliable protection of electric motors in industrial control systems. It features an adjustable thermal release range of 13–20 A with a Class 10 tripping characteristic and a fixed magnetic release of 260 A. The device is built in size S0 and uses screw terminals to ensure secure electrical connections.

Technical Specifications 

Information About 3RV2021-4BA10

The 3RV2021-4BA10 is a Siemens motor protection circuit breaker engineered for safeguarding motors against overloads and short circuits. It is classified as a size S0 device and incorporates a Class 10 tripping characteristic to provide coordinated motor protection during startup and operation. The adjustable thermal release allows precise matching to motor full-load current, while the fixed magnetic release ensures rapid response to short-circuit conditions. This breaker is commonly installed in motor starters and control panels where compact design and reliable protection are required.

Key Features

• Motor Protection Design: Specifically engineered to protect motors from overload and short-circuit conditions.
• Class 10 Tripping Characteristic: Provides controlled response suitable for standard motor starting conditions.
• Adjustable Thermal Release: Allows setting of the current range from 13 to 20 A for accurate motor matching.
• High Magnetic Release Threshold: Fixed 260 A magnetic trip ensures fast short-circuit interruption.
• Size S0 Construction: Compact form factor suitable for space-efficient motor control assemblies.
• Screw Terminal Connections: Ensures secure wiring and reliable electrical contact.
• Standard Switching Capacity: Designed for integration into typical industrial motor control systems.

The 3RV2021-4BA10 delivers the reliability and precision required for effective motor protection in Siemens industrial automation and motor control applications.