Siemens Circuit breaker for motor protection, size S00, 2.1A Part number 3RV2011-4AA25

Product Overview

The Siemens 3RV2011-4AA25 is a SIRIUS 3RV2 series motor-protection circuit breaker in size S00, incorporating spring-type terminals and standard switching capacity. It features an adjustable overload release range of approximately 11 … 16 A and a fixed short-circuit (instantaneous) release suited for motor protection applications in industrial installations.

Key Features

• Motor-protection circuit breaker from the Siemens SIRIUS 3RV2 lineup
• Size designation: S00 for compact installation in motor-starter panels
• Adjustable overload release range: ~11 to 16 A
• Includes auxiliary contacts (1 NO + 1 NC) for signalling or switching feedback
• Spring-type terminals for secure and vibration-resistant connections
• Standard switching capacity designed for 3-phase motor loads
• DIN-rail or panel mounting compatible format

Technical Specifications

• Product Series: SIRIUS 3RV2
• Article Number: 3RV2011-4AA25
• Size: S00
• Overload Release Range (Ir): Approx. 11 … 16 A
• Auxiliary Contact Configuration: 1 NO + 1 NC
• Control Supply Voltage: AC or DC versions depending on selection
• Mounting / Terminal Type: Spring-type terminals, DIN-rail or panel-mount compatible
• Ambient Operating Temperature: –20 °C to +60 °C
• Protection Class (Front): IP20 (standard installation)

Compliance & Certifications

• Manufactured by Siemens under the SIRIUS motor-protection product standard
• Complies with IEC/EN standards for motor protection circuit breakers and automatic starters

Applications

Ideal for motor-starter applications and control panels where reliable overload and short-circuit protection is required for small to medium sized motors. Commonly used in machinery, pumps, fans, conveyors and general industrial automation systems that require a compact size S00 breaker with auxiliary contacts for signalling.