CQMGU Series Distribution Box
Product Features
■ Flexible Modular Layout
Configurable in 5, 8, 14, or 19 module ways, supporting single or double-row arrangements.
■ Robust Steel Enclosure
Made of powder-coated cold-rolled steel for strength, corrosion resistance, and a clean finish.
■ Easy Surface Mounting
Compliant with JB/T 7121; designed for quick installation on finished walls.
■ Compact & Space-Efficient
Optimized dimensions for efficient use of space while ensuring safety and accessibility.
Type Designation

Technical Specifications
| Parameter | ||
| Rated Frequency | 50/60 Hz | |
| Rated Operational Voltage (Ue) | AC 230/400 V | |
| Rated Current (In) | Up to 125 A | |
| Number of Ways (Modules) | 5, 8, 14, 19 | |
| Number of Rows | Single-row / Double-row | |
| Front Cover Material | High-quality cold-rolled steel sheet (powder-coated) | |
| Enclosure Material | High-quality cold-rolled steel sheet (powder-coated) | |
| Standard | JB/T 7121 | |
| Overall Dimensions (W × H × D), Unit: mm |
Modules | Surface Mounting |
| 5-module | 187.4×261×122.5 | |
| 8-module | 241×261×122.5 | |
| 14-module | 342.6×261×122.5 | |
| 19-module | 437.8×261×122.5 | |
| 19-module (Double-row) | 437.8×531×122.5 | |
Why Choose CHAC
With 30+ years of manufacturing experience, 1100+ employees, 100M+ poles
annual capacity and 90% automated production, CHAC provides stable production capacity and strict
quality control for global OEM/ODM customers. Our in-house manufacturing system supports long-term
cooperation for electrical brands, importers and distributors.
30+
YEARS EXPERIENCE
Specialized in low-voltage electrical manufacturing
1100+
EMPLOYEES
Professional team ensures stable quality and delivery
100M+
POLES ANNUAL CAPACITY
Large-scale production capacity to meet global demand
90%
AUTOMATED PRODUCTION
Advanced automation for high efficiency and consistency

Automated Assembly Line

Testing Laboratory

Injection & Stamping

Quality Inspection





Strict quality control system ensures every product meets global standards.
What Can We Customize?
Flexible customization services are available for enclosure dimensions, component configuration,
branding and project requirements.
Enclosure
Design
Customized enclosure sizes, structures and installation details.

Internal
Configuration
Flexible internal layout and component arrangement options.

Branding &
Logo
Private label logos, nameplates and brand identification.

Packaging
Design
Custom cartons, labels, manuals and packaging solutions.

Electrical
Configuration
Tailored electrical setup based on application requirements.

Certification
Support
Support for target-market standards and compliance requirements.

Download
CHAC Product Catalog 2026
Complete product overview for low-voltage electrical components and product selection reference.
Need Technical Documents?
Contact us for datasheets, certificates, drawings, selection guidance or OEM/ODM project support.
Frequently Asked Questions
Q1. Do you support product customization based on our design requirements?
A1:Absolutely. We specialize in OEM and ODM cooperation in the low-voltage electrical field and have provided customized services for many internationally renowned companies. We offer full-process support, including R&D design, parameter adjustments, and special material selection, ensuring the product fully meets your requirements.
Q2: What is your production capacity and Minimum Order Quantity (MOQ)?
A2: We operate a highly automated production base with an annual output of over 100 million poles for miniature circuit breakers. Our MOQ policy is flexible. We can provide competitive trial orders for small batches and dedicated production capacity guarantee plans.
Q3: What assurances are there for product quality and certifications?
A3: Our main products are certified with CCC, CE, CB, and more, and are sold in over 30 countries and regions worldwide. The company has established a dedicated Quality Operations Center that works with the business and production departments to implement full-process quality control, ensuring products meet international standards.
Q4: Do you have the capability for product R&D and turning concepts into reality?
A4: We have a complete R&D team and digital workshops, backed by extensive customization experience serving numerous international clients. From concept proposal and sample development to mass production, we provide end-to-end technical support to help bring your ideas to life.












