Overview

The Siemens 3RV2011-1HA10 is a SIRIUS motor protection circuit breaker designed for reliable overload and short-circuit protection in industrial motor applications. This S00 size unit is rated for motor protection with a CLASS 10 A-release of 5.5...8 A and N-release of 104 A, featuring screw terminal connection. The unit is rated for 3 kW motors across 220–690 VAC with DIN mounting, making it ideal for compact control panels and distributed motor starters.

Key Features

• Thermomagnetic trip mechanism with 5.5 to 8/104 A adjustable release rated for 690 VAC, 50/60 Hz operation
• Disconnector functionality and auxiliary switch capability for flexible integration into control circuits
• CLASS 10 trip class per IEC 60947-4-1, IP20 protection rating on front and terminals
• Three-pole screw termination with compact dimensions: 97 mm H × 45 mm W × 91 mm D
• Operating temperature range of –20 to +60 °C; AC-3 utilisation category with phase-failure sensitivity
• Power loss of 9.25 W total at rated current in AC hot-operating state

Technical Specifications

• Size: S00 motor protection circuit breaker
• A-release (thermal): 5.5–8 A; N-release (magnetic): 104 A
• Rated insulation voltage: 690 V AC; surge voltage resistance: 6 kV
• Breaking capacity: 100 kA at rated voltage; 50/60 Hz rated frequency
• Number of poles: 3; termination type: screw; dimensions 97 × 45 × 91 mm
• Protection rating: IP20; operating temperature range: –20 to +60 °C
• Tripping class: CLASS 10 per IEC 60947-4-1; product extension: auxiliary switch available

Typical Applications

• Three-phase AC motor starters and soft-starter protection (≤5.5 kW motors)
• Industrial machine tool control systems with compact motor circuit protection
• Panel-mount and distributed motor protection in manufacturing automation
• HVAC systems, pump stations, and compressor motor circuits
• OEM and retrofit integration in control cabinets and switchboards

Compatibility & Replacements

Compatible With

• Siemens SIRIUS size S00 and S0 contactors and soft starters
• Siemens LOGO!, S7-1200, and S7-1500 PLC control systems via auxiliary switch outputs
• Standard three-phase AC motor circuits rated 220–690 VAC, 50–60 Hz
• IEC 60947-4-1 compliant motor protection relay coordination
• DIN rail and snap-on mounting systems in industrial control enclosures

Replaces / Drop-In Replacement For

• 3RV2011-0JA10 (legacy thermal release only model)
• Older Class 10 motor protection breakers in S00 frame requiring 5.5–8 A thermal adjustment
• Verify compatibility with your system integrator before ordering for critical applications

Works With

• Siemens SIRIUS motor control ecosystem (contactors, auxiliary switches, monitoring relays)
• IEC 60947-4-1 motor protection standards and CLASS 10 trip classification
• AC-3 utilisation category equipment (squirrel-cage motors, full-voltage starting)
• Standard industrial screw-terminal wiring (18–12 AWG wire gauge)