Description
The Siemens 3RV2031-4PA10 is a Size S2 Motor Starter Protector (MSP) engineered for reliable, direct motor branch-circuit protection in commercial and industrial HVAC and mechanical systems. Combining the functions of a circuit breaker, motor overload relay, and short-circuit protector in a single compact device, this MSP simplifies panel design and reduces installation time.
Key Features
- Size S2 frame for mid-range motor applications
- Adjustable current setting range: 28–36 A
- Class 10 trip characteristic for standard motor protection
- Screw terminal connections for secure, code-compliant wiring
- Integrated short-circuit, overload, and phase-loss protection
- Manual ON/OFF switching capability for local motor isolation
- Compact, space-saving design suitable for control panel mounting
- Compatible with Siemens 3RV2 series accessories and add-on modules
Applications
- HVAC compressor and fan motor protection
- Pump and blower motor branch-circuit protection
- Commercial and industrial motor control centers (MCCs)
- Control panels requiring combined overload and short-circuit protection
Why Choose the Siemens 3RV2031-4PA10?
The 3RV2031-4PA10 eliminates the need for separate overload relays and fuses, reducing component count and panel footprint. Its Class 10 tripping characteristic is ideal for standard HVAC motors that require fast response to overload conditions, helping to extend motor life and minimize downtime. Screw terminals ensure a robust, vibration-resistant connection suitable for demanding mechanical environments.
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