Siemens Circuit breaker for motor protection, size S00, class 10, 0.9-1.25A Part number 3RV2011-0KA15

Product Overview

The Siemens 3RV2011-0KA15 is a SIRIUS 3RV2 series motor-protection circuit breaker in size S00, designed to protect three-phase motors. It features an adjustable thermal overload release from 0.9 … 1.25 A and a fixed magnetic short-circuit release of 16 A, with auxiliary switching and screw-type terminals for reliable control-circuit integration.

Key Features

• Size S00 motor-protection circuit breaker from the SIRIUS 3RV2 family
• Adjustable thermal overload setting: 0.9 … 1.25 A
• Fixed magnetic short-circuit release: 16 A
• Screw-type terminals for main and auxiliary circuits
• Includes integrated auxiliary contacts (1 NO + 1 NC) for signalling or interlock functions
• High switching capacity enabling combination with SIRIUS contactors and other switching devices

Technical Specifications

• Product Series: SIRIUS 3RV2 motor-protection circuit breakers
• Article Number: 3RV2011-0KA15
• Size Designation: S00
• Number of Poles: 3 (three-phase)
• Thermal Overload Adjustable Range (Ir): 0.9 … 1.25 A
• Fixed Magnetic Short-Circuit Release: 16 A
• Insulation Voltage (Ui): 690 V
• Surge Voltage Resistance: 6 kV
• Auxiliary Contacts: 1 NO + 1 NC
• Operating Ambient Temperature: –20 °C … +60 °C

Compliance & Certifications

• Designed and manufactured by Siemens in accordance with industrial motor-protection device standards
• Complies with the SIRIUS 3RV2 family specifications for motor protection in electrical automation systems

Applications

Ideal for use in motor starters, feeder circuits and control panels where three-phase motors require overload and short-circuit protection. Suitable for manufacturing systems, machine tools, infrastructure installations and any automation environment where reliable, adjustable motor protection is needed.