Siemens 3RV2011-1BA20 Motor Protection Circuit Breaker 26A Operating Current

The Siemens SIRIUS 3RV2011-1BA20 is a compact yet powerful 3-pole motor protection circuit breaker from the renowned SIRIUS 3RV2 series. With an adjustable overload range of 1.4 and 2 A and a fixed instantaneous magnetic trip at 26 A, this Class 10 circuit breaker offers reliable protection for small motors up to 0.75 kW (AC-3/400 V). With its slim width of 45 mm and the S00 frame, it is ideal for dense control panel installation and applications with limited space. It was developed for industrial automation and manufacturing environments and offers excellent protection features, including short-circuit strength (100 kA Icu/Ics at 400 V, reduced to 10 kA at 690 V), phase failure detection, and optimized thermal-magnetic tripping behavior. The device is designed for longevity, rated for ~100,000 mechanical and electrical operations, impact-resistant up to 25 g / 11 ms, and has a surge withstand capability of 6 kV.

Technical Details:

Brand: Siemens
Model Number: 3RV2011-1BA20
Series: SIRIUS
Size: S00
Thermal Overload Range: 1.4 & 2A
Magnetic Trip Current: 26A fixed
Phase Failure Detection: Yes
Switching of Safety Outputs: Yes (not for energized safety)
ISO 13849-1 Related: Device Type 3; B10d = 5,000 Cycles; MTTF ~50
Condition: Comparable to images

Note:

For detailed technical data and processing instructions, we strongly recommend consulting the original data sheets or contacting the manufacturer directly.

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26A