# 3MV Circuit Breaker

## 3MV Motor Circuit Breaker Overview

SIEMENS manufactures the 3MV Motor Circuit Breaker, a critical device within the motor control category designed to provide reliable protection against overload and short circuit conditions. This motor circuit breaker is integral to industrial electrical distribution systems, automation controls, and machinery protection frameworks. It is engineered to interrupt fault currents swiftly, thereby preserving motor integrity and supporting continuous industrial operations.

DDY Supply provides industrial electrical components for global distributors, EPC contractors, system integrators, and industrial buyers, ensuring reliable access to the 3MV Motor Circuit Breaker for diverse engineering and procurement projects.

## Technical Advantages and Features

-   Delivers precise interruption of electrical faults and overloads to protect motors from damage and operational interruptions
-   Engineered with resilient construction materials suitable for industrial environments with demanding electrical loads
-   Compact design allows for straightforward integration into standard control panel assemblies and electrical distribution setups
-   Compatible with a broad range of motor control and automation platforms, facilitating flexible system configurations
-   Supports efficient maintenance processes, simplifying replacement and service within complex electrical infrastructures

## Specifications

Specification

Details

Brand

SIEMENS

Model

3MV

Product Type

Motor Circuit Breaker (MCCB)

## Applicable Industrial Uses

The 3MV Motor Circuit Breaker is widely employed in industrial automation systems, electrical distribution networks, and control panels that manage motor-driven machinery. It is particularly suited for manufacturing equipment and infrastructure projects where dependable motor protection and circuit interruption are essential for operational reliability and safety.

## Common Procurement Inquiries

**Q:** Where can I buy SIEMENS 3MV Circuit Breaker from China?

**A:**  
DDY Supply offers motor circuit breakers for global distributors, EPC contractors, system integrators, and engineering procurement projects.

**Q:** What applications is the 3MV Circuit Breaker suitable for?

**A:**  
The 3MV Circuit Breaker is utilized extensively in industrial automation, control panel assemblies, and electrical distribution systems.

**Q:** Can DDY Supply provide industrial electrical components for engineering projects?

**A:**  
Yes, DDY Supply supplies industrial electrical components tailored for international engineering and infrastructure projects.

## Details

- **Price:** 21.86 USD - 22.08 USD
- **Vendor:** DDY GROUP CO.,LTD.
- **Tags:** mccb, Motor Circuit Breaker, SIEMENS

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 3MV8100-1MN00 | 22.08 USD | In stock |
| 3MV8100-1NJ00 | 21.86 USD | In stock |

## Images

- 3MV Circuit Breaker

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> Source: [DDY GROUP CO.,LTD.](https://ddysupply.com/products/3mv-circuit-breaker)
> Updated: 2026-08-29