Siemens 3VS Motor Protection Circuit Breaker

The Siemens 3VS Motor Protection Circuit Breaker (MPCB) is a compact, thermal-magnetic protection and switching device designed to safeguard electric motors and other loads. It ensures reliable defense against overloads, short circuits, and single phasing, all while offering a modular, space-saving design.

The Siemens 3VS MPCB offers reliable, all-in-one motor protection in a compact form. Its modular design reduces wiring complexity, and the adjustable settings allow flexibility for a wide range of motor applications. By combining safety, performance, and Siemens’ trusted engineering, this MPCB ensures dependable operation in demanding industrial environments.

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Brand

Siemens

Model

3VS Series

Product Type

Motor Protection Circuit Breaker (MPCB)

Protection Type

Thermal & Magnetic

Adjustable Overload

Yes

Trip Mechanism

Trip-Free

Compatible Accessories

Auxiliary Contacts, UV Release, Shunt Release

Applications

Industrial Motor Protection

Specifications

Brand
SIEMENS Electrical Products
Availability
In stock

Key features

  • Compact & Modular Design – Saves installation space and ensures easy integration.

  • Integrated Protection – Combines switching, overload (thermal), and short-circuit (magnetic) protection.

  • Thermal-Magnetic Operation – Inverse-time delayed thermal relay for overloads and instantaneous magnetic trip for faults.

  • Trip-Free Mechanism – Guarantees tripping even when the toggle is held, ensuring safety.

  • Adjustable Overload Release – Fine-tuned protection for different motor ratings.

  • Fuseless Starters – Can be paired with Siemens contactors for complete fuseless motor starters.

  • Accessory Options – Compatible with add-on auxiliary contacts, undervoltage, and shunt releases.

Applications

  • Machine Tools

  • Textile Machinery

  • Automobile Industries

  • Food & Beverage Processing Units

  • Process Industries requiring motor protection

Downloads

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Brand

SIEMENS Electrical Products

Stocked at our Coimbatore counter and dispatched across India.

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