News - Elevate Your Power System: CMTW1 Series Air Circuit Breaker (ACB)

As industries and businesses increasingly demand more reliable, intelligent, and efficient electrical systems, MUTAI Electric introduces the CMTW1 Series Air Circuit Breaker (ACB) — a state-of-the-art solution for power distribution and protection. Designed with advanced technology and versatility, this breaker ensures optimal performance for various applications, from industrial plants to commercial buildings.

Product Overview

The CMTW1 Series ACB is specifically engineered for:

Frequency: AC 50/60Hz
Rated Voltage: 400V/690V
Rated Current: 400A to 6300A

It provides comprehensive protection for power distribution systems against overload, undervoltage, short-circuit, and ground faults, ensuring safety and reliability for your critical systems.

Key Features

1. Smart Protection with Intelligent Control

The CMTW1 Series is equipped with a highly versatile intelligent controller, offering:

Precise selective protection to prevent unnecessary power interruptions.
Real-time monitoring and diagnostics, enabling better fault management.
Models with 2H/3H controllers support advanced automation with “Four Remote” functions:
- Remote Measurement (Telemetry)
- Remote Adjustment
- Remote Control
- Remote Communication

This makes it ideal for integration with modern fieldbus systems, ensuring seamless communication and remote system management.

2. Comprehensive Motor Protection

For applications up to 1000A, the breaker also offers motor protection against overload, short-circuit, undervoltage, and ground faults. It supports infrequent motor startups, providing reliability for industrial processes.

3. Leakage Protection for Enhanced Safety

With the integration of a leakage transformer and intelligent control, the breaker offers leakage protection, making it suitable for environments requiring heightened safety standards.

4. Built for Critical Environments

The CMTW1 Series is designed for use in power distribution networks where reliability is critical, making it a perfect choice for:

Industrial plants
Commercial facilities
Data centers
High-demand power systems

Technical Specifications

Specification	CMTW1 Series
Frame Current (Inm)	2000A, 3200A, 4000A, 6300A
Rated Working Voltage (Ue)	400V/690V
Rated Insulation Voltage (Ui)	1000V
Rated Impulse Voltage (Uimp)	1200V
Rated Ultimate Breaking Capacity (Icu)	Up to 120kA (AC400V)
Rated Short-Time Withstand Current (Icw)	Up to 85kA
Poles	3P/4P
Electrical Lifespan	Up to 1000 operations

Certified for Quality

The CMTW1 Series complies with international and national standards, ensuring top-tier quality and safety:

IEC60947-1 / GB/T14048.1: General rules for low-voltage switchgear.
IEC60947-2 / GB/T14048.2: Low-voltage circuit breakers.
IEC60947-4-1 / GB/T14048.4: Electromechanical contactors and motor starters.
GB/T2421.1: Environmental testing standards for electrical products.
GB/T14597: Climatic conditions for electrical products at different altitudes.

Additionally, the breaker is certified under CCC (China Compulsory Certification), reflecting its compliance with stringent safety requirements.

Why Choose the CMTW1 Series ACB?

Reliability: Engineered for continuous operation and maximum uptime.
Flexibility: Supports a wide range of applications and environmental conditions.
Safety: Enhanced protection against faults, leakage, and electrical hazards.
Automation: Integrated intelligent control for seamless monitoring and operation.

At MUTAI Electric, our mission is to deliver innovative, reliable, and user-focused solutions. The CMTW1 Series Air Circuit Breaker embodies our commitment to powering your business with cutting-edge technology and unparalleled performance.