Product Description

Siemens SIRIUS Motor Protection Circuit Breaker S2 35–45A Class 10 – 3RV2131-4VA10

Product Description

The Siemens SIRIUS 3RV2131-4VA10 Motor Protection Circuit Breaker (MPCB) is a premium industrial protection device engineered for motor protection, overload protection, short-circuit protection, and safe motor isolation in demanding electrical applications. As part of the globally trusted Siemens SIRIUS 3RV2 series, this Size S2 motor protection circuit breaker combines a thermal overload relay and magnetic short-circuit release in one compact unit, making it an ideal solution for modern motor control centers (MCC), industrial automation systems, OEM machinery, process industries, and electrical control panels.

The 3RV2131-4VA10 features an adjustable thermal overload current range of 35–45A, 650A magnetic short-circuit (N) release, Class 10 tripping characteristics, 3-pole configuration, and screw terminal connections. Designed for motors operating up to 690V AC, it provides fast and reliable protection against overload, phase failure, and short-circuit faults while minimizing downtime and improving equipment reliability.

Engineered for continuous industrial operation, this Siemens Motor Protection Circuit Breaker (MPCB) integrates seamlessly with Siemens SIRIUS contactors and starter combinations, creating compact and efficient motor starter assemblies. It is widely used in pump control panels, compressors, conveyor systems, HVAC equipment, water treatment plants, textile machinery, packaging machines, food processing plants, mining applications, manufacturing facilities, and factory automation systems where dependable motor protection is critical.

At SB Smart, we supply 100% genuine Siemens SIRIUS Motor Protection Circuit Breakers (MPCB), contactors, overload relays, soft starters, MCCBs, MCBs, and industrial automation products at competitive prices with expert technical support, GST billing, bulk order assistance, and fast PAN India delivery.

Key Features

• Genuine Siemens SIRIUS 3RV2 Motor Protection Circuit Breaker

• Model: 3RV2131-4VA10

• Frame Size: S2

• Adjustable Thermal Overload Range: 35–45A

• Magnetic (N) Short-Circuit Release: 650A

• Class 10 Motor Protection

• Standard Switching Capacity

• 3-Pole Configuration

• Screw Terminal Connections

• Rated Operating Voltage: 20–690V AC

• Integrated Thermal & Magnetic Protection

• Phase Failure Protection

• Compact Space-Saving Design

• High Mechanical & Electrical Endurance

• Ideal for Motor Starter Combinations and Industrial Automation

Applications

• Motor Control Centers (MCC)

• Industrial Automation Panels

• Motor Starter Combinations

• Pump Control Panels

• Compressors

• Conveyor Systems

• HVAC Systems

• Water Treatment Plants

• Textile Machinery

• Packaging Machines

• Manufacturing Industries

• Food Processing Plants

• Mining Equipment

• OEM Electrical Panels

Benefits

• Protects motors against overload and short-circuit faults

• Integrated thermal overload relay function

• Reduces motor downtime and maintenance costs

• Provides safe isolation during servicing

• Compact design saves valuable panel space

• Improves equipment reliability and operational safety

• Easy installation with screw terminal wiring

• Long mechanical and electrical service life

• Ideal for continuous industrial operation

Why Buy Siemens 3RV2131-4VA10 from SB Smart?

• 100% Genuine Siemens Products

• Best Siemens MPCB Price in India

• Expert Technical Support

• Bulk Order Assistance

• Fast PAN India Delivery

• Secure Packaging

• GST Invoice Available

• Trusted Industrial Electrical Supplier

• Reliable After-Sales Service

Frequently Asked Questions (FAQs)

Q1. What is Siemens 3RV2131-4VA10 used for?

The Siemens 3RV2131-4VA10 is a Motor Protection Circuit Breaker (MPCB) used to protect three-phase motors from overload, phase failure, and short-circuit faults in industrial applications.

Q2. What is the adjustable overload current range?

The breaker offers an adjustable thermal overload setting from 35A to 45A.

Q3. What is the magnetic short-circuit release rating?

It features a 650A magnetic (N) release for fast short-circuit protection.

Q4. What is Class 10 protection?

Class 10 protection trips the breaker within the specified time during overload conditions, helping protect motors from overheating and damage.

Q5. Which applications is this MPCB suitable for?

It is suitable for motor starter panels, MCCs, pumps, compressors, conveyors, HVAC systems, manufacturing plants, OEM machinery, and industrial automation applications.

Q6. Does SB Smart supply genuine Siemens 3RV2131-4VA10?

Yes. SB Smart supplies 100% genuine Siemens SIRIUS Motor Protection Circuit Breakers with competitive pricing, technical support, GST invoices, and fast delivery across India.