The Siemens SIRIUS Motor Protection Circuit Breaker (MPCB) – 3RV2311-0FC10 is a reliable motor starter protector designed to safeguard electric motors against overloads, short circuits, and phase failure in industrial motor control applications. As part of the trusted Siemens SIRIUS 3RV2 series, this motor protection circuit breaker provides dependable motor protection, safe isolation, and efficient switching for low-voltage electrical systems. It is specifically designed for use in starter combinations and compatible with Siemens S00 contactors, making it an ideal solution for compact motor starter assemblies.
The Siemens 3RV2311-0FC10 MPCB is widely used in Motor Control Centers (MCC), Direct-On-Line (DOL) starters, star-delta starters, industrial control panels, pump control systems, compressors, conveyor systems, machine tools, HVAC equipment, OEM machinery, and factory automation systems. It helps protect motors from electrical faults, reduces equipment damage, minimizes downtime, and improves the reliability of industrial operations.
Manufactured with Siemens' renowned engineering and high-quality standards, this motor protection circuit breaker offers long service life, reliable tripping performance, and easy installation. It is trusted by panel builders, OEMs, electrical contractors, maintenance engineers, and industrial professionals for demanding motor protection applications.
At SB Smart, we supply genuine Siemens SIRIUS Motor Protection Circuit Breakers, motor starter protectors, and industrial electrical products with competitive pricing, expert technical support, bulk order assistance, and fast PAN India delivery.
Genuine Siemens SIRIUS Motor Protection Circuit Breaker
Reliable overload and short-circuit protection
Designed for motor starter combinations
Protects motors against phase failure
Safe motor isolation and switching
Compact industrial design
Easy installation and maintenance
Long operational service life
Suitable for industrial motor control applications
Trusted Siemens engineering and quality
Motor Control Centers (MCC)
Direct-On-Line (DOL) Starters
Star-Delta Starters
Industrial Control Panels
Pump Control Systems
Compressor Panels
Conveyor Systems
Machine Tools
HVAC Systems
Manufacturing Plants
Water Treatment Plants
Food Processing Industry
Textile Industry
Cement Plants
Steel Plants
OEM Machinery
Industrial Automation Systems
Protects motors from overload and short-circuit faults
Helps prevent motor damage and overheating
Improves operational safety
Reduces unexpected downtime
Extends motor service life
Ensures reliable motor starting and protection
Easy integration into motor starter panels
Low maintenance and dependable performance
Cost-effective motor protection solution
100% Genuine Siemens Products
Competitive Industrial Pricing
Expert Technical Support
Bulk Order Assistance
Fast PAN India Delivery
Secure Packaging
Trusted Industrial Electrical Supplier
GST Invoice Available
Responsive Customer Support
It is used to protect electric motors against overloads, short circuits, and phase failure in industrial motor starter applications.
It is commonly installed in MCC panels, DOL starters, star-delta starters, industrial control panels, pump systems, compressors, conveyors, and OEM machinery.
It is widely used in manufacturing plants, water treatment facilities, HVAC systems, food processing, textile, cement, steel, and industrial automation applications.
The Siemens SIRIUS 3RV2 series provides reliable motor protection, compact design, dependable switching performance, and long service life for industrial motor control systems.
Yes. SB Smart supplies genuine Siemens SIRIUS motor protection circuit breakers with competitive pricing, expert technical support, bulk order assistance, and fast PAN India delivery.
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Series | SIRIUS 3RV2 |
| Model Number | 3RV2311-0FC10 |
| Product Type | Circuit Breaker for Starter Combination |
| Frame Size | S00 |
| Application | Starter Combination |
| Rated Current | 0.5 A |
| Short-Circuit Release (N-Release) | 6.5 A |
| Number of Poles | 3 |
| Rated Voltage | 20–690 V AC |
| Frequency | 50/60 Hz |
| Connection Type | Screw Terminal |
| Switching Capacity | Standard |
| Rated Insulation Voltage | 690 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Contactor Combination Size | S00 / S0 |
| Degree of Protection | IP20 |
| Mechanical Endurance | 100,000 Operating Cycles |
| Electrical Endurance | 100,000 Operating Cycles |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -50°C to +80°C |
| Installation Altitude | Up to 2000 m |
| Relative Humidity | 10–95% |
| Mounting | DIN Rail / Panel Mounting |
| Application | Motor Starter Short-Circuit Protection |
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