Description
The Siemens 3RV2031-4EA10 is a Size S2 Motor Starter Protector (MSP) from the 3RV2 series, engineered to deliver dependable short-circuit and overload protection for three-phase and single-phase motors in HVAC, industrial, and commercial applications. With a continuous current adjustment range of 22–32A and Class 10 trip characteristics, this MSP responds quickly to overload conditions to safeguard motor windings and connected equipment.
Designed for panel-mount installation, the 3RV2031-4EA10 features screw-type terminals for secure, vibration-resistant wiring connections. The compact Size S2 frame is optimized for space-efficient control panel layouts and is fully compatible with Siemens 3RT2 contactors and the broader 3RV2 accessory ecosystem, including auxiliary contact blocks, terminal covers, and bus bar systems.
Key Features
- Motor Starter Protector (MSP) — Size S2 frame
- Current adjustment range: 22–32A
- Trip class: Class 10 (fast response overload protection)
- Screw-type terminal connections for reliable wiring
- Integrated short-circuit and overload protection in a single device
- Compatible with Siemens 3RT2 contactors for direct-on-line starting
- Supports accessory expansion: auxiliary contacts, shunt trips, and more
- Compact design for space-saving control panel integration
Typical Applications
- HVAC compressor and fan motor protection
- Pump and blower motor circuits
- Commercial and industrial motor control centers (MCCs)
- Direct-on-line (DOL) motor starters
Product Specifications
- Brand: Siemens
- SKU / Part Number: 3RV2031-4EA10
- Series: 3RV2
- Frame Size: S2
- Current Range: 22–32A
- Trip Class: Class 10
- Terminal Type: Screw
- Poles: 3
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