The Siemens 3RV2031-4DA10 is a reliable Motor Protection Circuit Breaker (MPCB) from the globally trusted SIRIUS 3RV2 series, engineered to protect three-phase motors against overload, short-circuit, and phase failure. With an adjustable overload current range of 18–25A and a 325A magnetic short-circuit release, this Class 10 motor protection circuit breaker provides fast and accurate tripping to protect motors from electrical faults, reducing downtime and extending equipment life. Its S2 frame size, 3-pole construction, screw terminal connections, and standard switching capacity make it an ideal solution for industrial motor control applications.
The Siemens 3RV2031-4DA10 is suitable for protecting three-phase induction motors up to 11 kW at 400V AC-3 and is widely used in Motor Control Centers (MCC), industrial control panels, DOL starters, Star-Delta starters, pump control systems, compressors, conveyor systems, HVAC equipment, water treatment plants, packaging machinery, OEM equipment, and factory automation. It integrates seamlessly with Siemens SIRIUS contactors, enabling compact and dependable motor starter assemblies with long-lasting performance.
At SB Smart, Faridabad, we supply 100% genuine Siemens SIRIUS Motor Protection Circuit Breakers, contactors, overload relays, soft starters, MCCBs, MCBs, and industrial automation products at competitive prices. We offer GST invoices, expert technical support, bulk order discounts, secure packaging, and fast delivery across Faridabad, Delhi NCR, and all major cities in India, making SB Smart a trusted partner for panel builders, OEMs, contractors, and industrial customers.
Genuine Siemens SIRIUS 3RV2 Motor Protection Circuit Breaker
Model: 3RV2031-4DA10
Frame Size: S2
Adjustable Overload Setting: 18–25A
Magnetic Short-Circuit Release: 325A
Class 10 Thermal Trip Characteristic
3-Pole Configuration
Screw Terminal Connections
Standard Switching Capacity
Rated Operating Voltage: Up to 690V AC
Phase Failure Protection
Compatible with Siemens SIRIUS Contactors
Ideal for DOL and Star-Delta Motor Starters
Compact and Rugged Industrial Design
Motor Control Centers (MCC)
Industrial Automation Panels
DOL Motor Starters
Star-Delta Motor Starters
Pump Control Panels
Compressors
Conveyor Systems
HVAC Systems
Water Treatment Plants
Packaging Machinery
OEM Electrical Panels
Factory Automation
Protects motors from overload and short-circuit faults
Minimizes motor damage and production downtime
Improves electrical safety and equipment reliability
Compact design saves valuable panel space
Easy installation with secure screw terminals
Long mechanical and electrical service life
Reliable performance in demanding industrial environments
Low maintenance and high operational efficiency
The Siemens 3RV2031-4DA10 is a Motor Protection Circuit Breaker (MPCB) designed to protect three-phase motors from overload, phase failure, and short-circuit faults.
It has an adjustable thermal overload range of 18A to 25A, allowing precise motor protection for industrial applications.
The breaker features a 325A magnetic short-circuit release, ensuring rapid fault clearance and reliable motor protection.
Yes. The 3RV2031-4DA10 is fully compatible with Siemens SIRIUS contactors and is widely used in DOL and Star-Delta motor starter panels.
SB Smart, Faridabad supplies 100% genuine Siemens industrial products with competitive pricing, technical support, GST invoices, bulk order assistance, and fast delivery across Faridabad, Delhi NCR, and throughout India.
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Series | SIRIUS 3RV2 |
| Model Number | 3RV2031-4DA10 |
| Product Type | Motor Protection Circuit Breaker (MPCB) |
| Frame Size | S2 |
| Thermal Overload Setting (A-Release) | 18.00–25.00 A |
| Magnetic Trip (N-Release) | 325 A |
| Tripping Class | Class 10 |
| Number of Poles | 3 |
| Rated Operational Voltage | 20–690 V AC |
| Rated Operational Current | 25 A |
| Rated Insulation Voltage | 690 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Operating Frequency | 50/60 Hz |
| Connection Type | Screw Terminal |
| Switching Capacity | Standard |
| Degree of Protection | IP20 |
| Mechanical Endurance | 50,000 Operating Cycles |
| Electrical Endurance | 50,000 Operating Cycles |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -50°C to +80°C |
| Maximum Installation Altitude | 2,000 m |
| Relative Humidity | 10–95% |
| Approximate Weight | 1.05 kg |
| Mounting | 35 mm DIN Rail / Panel Mount |
| Application | Motor Overload and Short-Circuit Protection |
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