1. Low-voltage fixed power distribution cabinet is a fixed-installation low-voltage power distribution equipment, suitable for factory workshops, building construction, residential power distribution, and small and medium-sized industrial and commercial power distribution scenarios. 2. Rated voltage AC400V, 50/60Hz; main bus current 400A-3200A, rated short-time withstand current up to 80kA/1s. 3. The cabinet is made of cold-rolled steel plates that are bent and welded. The circuit breaker is fixedly installed. The enclosure protection grade is IP30/IP40 and complies with the GB 7251.3 standard. 4. Equipped with interlocking door locks and cabinet doors, equipped with insulating shields for internal live parts, and integrated grounding, overload, short circuit, and leakage protection devices to prevent the risk of misoperation. 5. The structure is simple and reliable, the cost is economical, the wiring is regular, and it is suitable for conventional fixed power distribution. 6. Modular circuit arrangement, incoming lines, outgoing lines, metering, and reactive power compensation circuits can be flexibly matched. 7. The cabinet size and number of circuits can be adjusted according to customer needs, and smart meter reading and power monitoring modules can be expanded. 8. Provide a full set of CCC certificates, type test reports, technical drawings, remote after-sales support and OEM customization services.

LV Fixed Distribution Cabinet for Industrial & Commercial Power Distribution — Reliable, Safe, and Cost-Effective Solution

DSY Switchgear’s LV Fixed Distribution Cabinet is a mature and reliable low-voltage power distribution solution, widely deployed in factory workshops, building construction projects, residential power systems and various small and medium-sized industrial and commercial scenarios. This fixed-type cabinet operates at AC 400V rated voltage with 50/60Hz frequency, supporting a main bus current of 400A to 3200A and a maximum 1s short-time withstand current of 80kA. It features IP30/IP40 enclosure protection and fully complies with GB 7251.3, IEC 60439-1 and GB/T 14048.1 industry standards. Founded in 2005, DSY boasts 20 years of professional manufacturing experience, over 60 technical patents, complete CCC certification and official type test reports, delivering cost-effective, stable and trustworthy fixed switchgear products for global B-end projects.

What Is a Fixed Low-Voltage Distribution Cabinet?

A fixed low-voltage distribution cabinet is a standardized integrated power distribution device. Different from withdrawable switchgear with removable functional modules, its internal circuit breakers and switching components are fixedly bolted on the equipment frame.

DSY adopts high-quality cold-rolled steel plates for production, with precise bending and integral welding processes to form a sturdy enclosure, which can adapt to various complex and demanding industrial operating environments.

Product Applications

Technical Specifications

Parameter	Value
Rated Voltage	AC 400V
Rated Frequency	50Hz / 60Hz
Main Bus Rated Current	400A – 3200A
Rated Short-Time Withstand Current	20 / 30 / 50 / 80kA (1s)
Core Component	Fixed installation circuit breaker
Enclosure Protection Grade	IP30 / IP40
Cabinet Structure	Cold-rolled steel plate, bending and welding
Standards Compliance	GB 7251.3, IEC 60439-1, GB/T 14048.1
Protection Functions	Grounding, overload, short circuit, leakage protection

Certifications

Key Product FeaturesRobust Cold-Rolled Steel Enclosure

The whole cabinet is made of premium cold-rolled steel plates and processed through professional bending and welding technology. It features high mechanical strength, stable overall structure and excellent dimensional consistency, with outstanding corrosion resistance, ensuring long-term stable operation in industrial environments.

Integrated Multi-Layer Protection

Each equipment unit is equipped with complete grounding, overload, short circuit and leakage protection functions. Insulating baffles are installed on all internal live parts to effectively avoid accidental contact risks during daily inspection and maintenance, building a comprehensive safety barrier.

Interlocking Door Lock Design

The cabinet door is matched with a professional mechanical interlock locking device, which prevents unauthorized opening and accidental access to live components. This design greatly improves operational safety, especially suitable for multi-person on-site operation scenarios.

Modular and Flexible Circuit Configuration

The internal circuit adopts a modular layout. Incoming lines, outgoing lines, metering circuits and reactive power compensation circuits can be independently configured and combined freely according to actual project load demands, avoiding redundant configuration and realizing precise matching of power distribution schemes.

Smart Expansion Ready

The cabinet reserves intelligent upgrade interfaces, supporting optional smart meter reading and power monitoring module integration. It can realize remote power data collection and IoT-based power quality monitoring, meeting the intelligent management needs of modern power distribution systems.

Application Scenarios

Tailored for scenarios that prioritize operational stability and cost performance, the LV Fixed Distribution Cabinet covers diversified industrial and commercial power distribution fields.

Factory Workshops and Industrial Facilities

The fixed bolted connection structure effectively prevents terminal loosening caused by long-term equipment vibration. The sturdy cabinet structure adapts to continuous high-load operation of manufacturing workshops and processing plants, ensuring stable power supply for industrial production.

Building Construction and Commercial Projects

It is widely used in office buildings, commercial complexes and various construction projects. The standardized and neat internal wiring layout simplifies daily inspection and later maintenance, reducing the operation cost of building facilities.

Residential Power Distribution

With compact structure, simple wiring and complete safety protection functions, it provides stable and safe terminal power guarantee for residential community power distribution systems, meeting daily household power consumption needs.

Small and Medium Industrial and Commercial Power Systems

For light industrial and commercial projects with limited budgets and conventional power distribution demands, this fixed cabinet delivers excellent performance-to-price ratio, fully meeting industry safety standards and stable operation requirements.

Quality Assurance and Documentation

DSY implements strict full-process quality control for every cabinet. We conduct professional temperature rise tests to ensure busbars and fixed joints stay within safe temperature limits under full-load operation. Dielectric performance tests are carried out to verify insulation stability, while clearance and creepage distance detection effectively prevents arcing risks in humid and industrial environments.

The cabinet surface adopts high-quality powder coating treatment with excellent anti-corrosion performance, adapting to coastal and industrial harsh environments. Every order is equipped with complete CCC certificates, type test reports and technical drawings, supported by lifelong remote after-sales technical services. Custom OEM solutions are available for personalized project demands.

Our technical team consists of 40 professional technicians, accounting for 20.8% of the total 200 employees. With strong R&D and technical service capabilities, we guarantee professional support for every product and project.

Exhibitions

Customization and Supply Flexibility

We support personalized customization according to different project demands, including cabinet size adjustment, circuit quantity matching, breaker parameter setting and internal layout optimization.

Intelligent modules such as smart meter reading and power quality monitoring can be added to realize refined energy management. We provide targeted OEM services for distributors and system integrators with brand customization and special configuration needs.

Backed by RMB 50.6 million registered capital and more than 60 power distribution technology patents, DSY has stable production capacity and rich project experience, serving domestic and global customers with high-quality low-voltage power distribution equipment.

Packaging & Shipping

Frequently Asked Questions

Q1: What is the core difference between fixed and withdrawable distribution cabinets?

A: Fixed cabinets adopt bolted fixed components with higher structural rigidity and lower overall cost, suitable for projects with regular maintenance plans. Withdrawable cabinets support hot-swap replacement for faster fault recovery, but come with higher costs.

Q2: What safety protection functions does this cabinet have?

A: It integrates grounding, overload, short circuit and leakage protection. Equipped with live part insulating shields and mechanical interlock door locks, it effectively prevents accidental contact and misoperation risks.

Q3: What industry standards does the product comply with?

A: It fully complies with GB 7251.3, IEC 60439-1 and GB/T 14048.1 standards, and is certified with complete CCC certification and type test reports for formal project bidding and delivery.

Q4: Can this cabinet support intelligent power monitoring functions?

A: Yes. It supports the integration of smart meter reading and power monitoring modules, enabling remote real-time monitoring of power data and power quality to meet intelligent grid management requirements.

Q5: Is project-specific customization supported?

A: Customization is available for cabinet dimensions, circuit quantity, breaker specifications and internal layout. We also provide professional OEM services for brand and project personalized configuration.

Q6: What are the short-time withstand current specifications?

A: It supports multiple grades of 20kA, 30kA, 50kA and 80kA (1s short-time withstand), which can be selected according to the project’s short-circuit fault level.

Contact Us

If you are looking for cost-effective, safe and stable LV Fixed Distribution Cabinet for your industrial and commercial power distribution projects, feel free to contact our professional team for one-on-one technical consultation and accurate project quotation. Email us at [email protected].