Low Voltage Electrical Power Panel Board for Industrial Systems

• Customization: Available
• Type: Power
• Structure: Protection
• Model NO.: QSPDG
• Certification: ISO9001:2000, CCC
• Form: All- packaged Type
• Operation Voltage: Low Voltage
• Size: 3/2 Uint
• Application Range: Power Plants
• Shell Material: Stainless Steel
• Shell Protection Grade: IP55
• Brand: QS
• Material & Craft: Cold-Rolled Steel Plate, 304/316 Stainless Steel
• Surface Treatment: Powder Coating
• Structural Craft: Welded/Assembled Structure
• Core Components: Brands Optional
• Protection Functions: Provide
• Smart Modules: Support
• Remote Monitoring Module: Support
• Smart Temperature Control Module: Support
• PLC Control Module: Support
• Wireless Communication Module: 4G/Wi-Fi
• Custom Size: Customizable H×W×D
• Installation Type: Customizable
• Protection Class: IP30/IP54/IP55/IP65/IP66 Optional
• Accessory Customization: Customizable
• Function & Adaptation: Customizable
• Transport Package: Wooden Box
• Specification: customized
• Trademark: QS
• Origin: Linyi City, Shandong Province
• HS Code: 8537101990
• Production Capacity: 1000PCS/Year
• Package Size: 250.00cm * 120.00cm * 240.00cm
• Package Gross Weight: 5548.000kg

Product Description

Product Description

Distribution Box

Low-voltage drawout switchgears and armored withdrawable metal-clad switchgear suit AC 50Hz power systems, covering low-voltage classes such as 380V, 660V and medium-voltage classes such as 12kV; they support motor control devices ranging from 0.52kW to several hundred kW, are compatible with power distribution and lighting circuits, and for indoor lines within the rated current range, enable power reception and distribution while providing line overload protection, short-circuit protection and circuit switching functions.

Product's Details

Item	Parameter
Rated insulation voltage	AC 660V, AC 1000V
Rated working voltage	AC 38OV, AC 660V
Rated current of horizontal busbar	1250A,1600A,2000A,2500A,3200A,4000A
Rated current of vertical busbar	1000A
Maximum current of feeder circuit	2500A
Maximum current of drawer circuit	500A
Maximum capacity of control motor	320kW
Rated frequency	50HZ
Peak withstand current of horizontal busbar (0.1s)	105kA,176kA
Short-time withstand current of horizontal busbar (1s)	50kA,80kA
Peak withstand current of vertical busbar (0.1s)	105kA
Short-time withstand current of vertical busbar (1s)	50kA
Rated power frequency withstand voltage (1min)	2500V
Secondary power frequency withstand voltage (1min)	2500V
Enclosure protection class	IP30, IP40
Overall dimensions	Width 600(800,1000)xDepth 800(1000)x Height 2200

Item	Parameter
Rated insulation voltage	AC 660V,1000V
Rated working voltage	Main circuit. AC 380V,660V; Auxiliary circuit: AC 220V, 380V
Rated frequency	50HZ,60Hz
Rated current of horizontal busbar	4000A
Rated current of vertical busbar	1000A
Rated short-time withstand current of horizontal busbar (1s)	50kA~80kA
Rated peak withstand current of horizontal busbar	105kA~176kA
Rated short-time withstand current of vertical busbar (1s)	50kA
Rated peak withstand current of vertical busbar	105kA
Enclosure protection class	IP40
Available in special operating environments	IP50
Rated insulation voltage	AC 660V 1000V
Rated working voltage	Main circuit AC 380V,660V; Auxiliary circuit: AC220V, 380V
Rated frequency	50HZ,60Hz
Rated current of horizontal busbar	4000A

Product Display

220V/380V

*Complies with international standard IEC 60439-1

*Built-in overload/short-circuit protection + IP30 enclosure protection, eliminating electrical hazard risks

*1min power frequency withstand voltage up to 4.5kV, lightning impulse protection up to 105kV (for specific models)

*10-year quality warranty ≥8,000 mechanical operation cycles (performance retention ≥90%)

*Rated Voltage: AC 380V/220V (±10%), suitable for industrial and civil power distribution scenarios, voltage stability error ≤3%

*Rated Current: Main circuit rated current optional 630A-2500A, branch current graded configuration 16A-630A

*Full modular structure for on-demand combination, supporting flexible switching between lighting power supply and small power control

*Compatible with multiple electrical components (e.g., circuit breakers, contactors)

*Front-side operation + detachable cover design, no cabinet disassembly required for daily maintenance

*Protection Class: IP40-IP54 optional, dustproof and waterproof performance up to standard, adapting to different indoor and outdoor environments

*Insulation Resistance: ≥100MΩ (500V DC), excellent insulation performance, minimizing leakage risk

*Rated dynamic stable current up to 52kA, short-time withstand current up to 20kA (for specific models)

* Mechanical life ≥8,000 cycles, reducing equipment replacement frequency *Integrated metal-enclosed structure with anti-corrosion coating, lowering long-term operation & maintenance costs

*Temperature Rise Limit: Main busbar temperature rise ≤70K, component terminal temperature rise ≤60K, no overheating hazard during long-term operation

*Overload Protection: Built-in intelligent release, overload action time adjustable 1-60s, response accuracy ±5%

Power Distribution Box is ideal for diverse power distribution scenarios—from stable lighting power supply in residential homes and reliable power support for office equipment in office buildings, to small-scale power control in factories and commercial lighting & device power allocation in shops, as well as temporary electricity deployment for renovation/temporary sites. Backed by IEC 60439-1-compliant, strict industrial-grade end-to-end quality control, it delivers a complete efficient distribution cycle, making daily power supply more reliable, tailored and safe.

Packing & Delivery

Company Profile

SHANDONG QIANSHENG 

Basic Profile:
Favorable natural setting; founded amid China's rapid economic growth.
Covers over 16,000 stere ; employs nearly 100 staff, including 21 professional managers and 16 senior & intermediate technicians, with 80% holding college or higher degrees.
Business philosophy: 
Integrity-based, Technology-driven Industrial Prosperity, Industrial Development for National Rejuvenation, Sustainable Growth, Customer Satisfaction.
Tenet: Safe Production, Quality First.
Certifications & Qualifications:
Holds ISO9001:2000 Quality Management System Certification, Environmental Management System Certification, Occupational Health and Safety Management System Certification, CCC and CQC product certifications. Possesses Class II General Contracting Qualification for Electric Power Construction, and Class II Qualification for Power Equipment Installation, Maintenance & Testing.

SHANDONG QIANSHENG

Shandong Qiansheng Power Equipment Engineering Co., Ltd. is an experienced power equipment manufacturer with over 20 years of industry expertise, serving global markets with reliable power distribution and new energy solutions.
Our product range includes ring main units, distribution cabinets, transformers, photovoltaic panels, energy storage systems, and inverters, all manufactured under strict quality control and compliant with relevant standards.
We support standardized and customized solutions, ensure stable quality and on-time delivery, and focus on long-term cooperation with overseas partners.

FAQ

FAQ

1.Do you have the core qualification certifications for power distribution cabinet production?

The factory has passed ISO 9001 quality management system certification and ISO 14001 environmental management system certification. All production qualifications are verifiable.

2.What core processes and equipment are used in the production process to ensure product precision?

Core processes include CNC punching (precision ±0.1mm), laser cutting (error ≤0.05mm), robotic welding (weld strength ≥base material), electrostatic spraying (coating thickness 60-80μm); key equipment includes with digital control of production precision throughout the process.

3.Do you support customized production according to customer requirements? 

We support full-dimensional customization including voltage level, rated current, protection class, cabinet size, and intelligent module configuration, with a minimum order quantity of 1 unit; the cycle for conventional customized products is 7-15 working days, and the cycle for complex customization.

4.What are the procurement channels and quality control standards for electrical components?

Electrical components are purchased from well-known brands such as Siemens, Chint, with long-term strategic cooperation agreements signed to ensure genuine supply; 3-level inspections (appearance inspection, performance testing, compatibility verification) are required before warehousing, and the sampling qualification rate of key components (such as circuit breakers, contactors) is 100%, with test reports retained.

5.What strict quality inspection processes are conducted before product delivery?

Factory quality inspection includes 8 major items: electrical performance testing (voltage/current/insulation resistance), short-circuit withstand test, temperature rise test, protection class test, mechanical operation life test, appearance integrity inspection, grounding continuity test, and marking standardization verification. All products must pass 100% full inspection before delivery, with a factory inspection certificate attached.