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.
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.
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.
Machine Tools
Textile Machinery
Automobile Industries
Food & Beverage Processing Units
Process Industries requiring motor protection
Ohm Murugha Electrical is a trusted dealer supplying Siemens electrical automation products all over India. Satisfied buyers rely on our quick replies, genuine products, and timely delivery.
| 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 |
