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• Overview
• Product Description
• Specification
• Product's Details
• Product Display
• Company Profile
• FAQ

Overview

Basic Info.

Model NO.	QSFZX
Certification	ISO9001:2000, VDE, CCC
Form	All- packaged Type
Operation Voltage	High Voltage
Size	3/2 Uint
Application Range	High-rise Buildings
Shell Material	Stainless Steel
Shell Protection Grade	IP56
Brand	QS
Rated Voltage	AC 10kv
Rated Current	630A
Installation Method	Wandmontage / Bodenmontage
Applicable Ambient Temperature	-25℃ ~ +55℃
Short-Time Withstand Current	20ka/3s
Color	Customization
with Metering Function or Not	Customization
Inlet and Outlet Mode	Customization
with Lightning Protection Module	Customization
Cabinet Dimensions	Customization
Heat Dissipation Method	Natural Heat Dissipation/Forced Air Cooling
Lock Type	Mechanical Padlock/Smart Combination Lock
Grounding Mode	Customization
Altitude Adaptability	≤1000m / ≤2000m
Anti-Condensation Function	Customization
Transport Package	Wooden Box
Specification	Customization
Trademark	QS
Origin	Linyi City, Shandong Province
HS Code	8537109090
Production Capacity	50000PCS/Year

Packaging & Delivery

Package Size68.00cm * 48.00cm * 67.00cm Package Gross Weight80.000kg

Product Description

Product Description

Cable Branch BoxOur 10KV commercial-grade cable branch box integrates core components including SF6 load switch and high-performance insulation modules with a professional sealed structure. Ideal for industrial parks, factory districts and urban power distribution networks, it enables efficient power branching, stable connection and flexible distribution scheduling. Featured with multi-layer safety protection and compliant with national & industrial high-voltage standards, it has excellent anti-leakage and anti-condensation performance for long-term stable and safe power distribution.

American branch boxEuropean branch boxCompliant with NEC standards, it highlights high current-carrying capacity and modular design. The cabinet is mostly made of cold-rolled steel plate with spraying process. The internal drawer-type switch modules facilitate quick maintenance and expansion. It has a high short-time withstand current rating, integrates lightning and surge protection functions, and is mainly installed in floor-mounted ways, suitable for North American high-current distribution needs and American cable interfaces.Compliant with BS standards, it focuses on compact structure and outdoor weather resistance. Mostly made of stainless steel or glass fiber, its protection class is ≥IP65, suitable for humid and foggy environments. The electrical design emphasizes circuit isolation and overload protection, equipped with standard fuses and grounding terminals. Mainly installed in wall-mounted and pole-mounted ways, it conforms to the low-voltage distribution specifications of Commonwealth countries.Specification

Item	Unit	Value	Item	Unit	Value
Rated Voltage	kV	12	Partial Discharge	PC	<10
Rated Current	KA	630	Rated Current Breaking Times	Times	100
Rated Short-time Withstand Current	kA/3s	20	Rated Current Breaking Current	A	10
Rated Peak WithstandCurrent	kA	50	Rated Closed-loop Breaking Current	A	630
Power Frequency Withstand Voltage	kV/1min	42	Mechanical Life	Times	2000
Lightning Impulse Withstand Voltage	kV	75/105	Enclosure Protecton Class	/	IP33
Secondary Circuit Power Frequency Withstand Voltage	kV/1min	2	SF6 Gas Pressure	MPa/20'C	0.045
Negative DC Withstand Voltage	kV/15min	52	SF6 Gas Annual Leakage Rate	/	<0.05%/year

Product's DetailsCable Branch Box

1.With a rated current of up to 1250A and a short-time withstand current of 31.5kA/3s, it can stably bear the instantaneous load impact of high-power electrical scenarios such as factory production lines and heavy-duty equipment, meeting the power distribution needs of multiple circuits operating simultaneously and avoiding power outages caused by overload.2.Designed with IP66 protection class, the cabinet is made of 304 stainless steel treated by pickling phosphating + electrostatic spraying process, with anti-rust and anti-corrosion grade up to C5-M standard. It can withstand extreme ambient temperatures of -40℃~+70℃, and has excellent dustproof, waterproof and anti-mechanical impact performance, suitable for the complex working conditions of dusty, humid and large temperature difference in factory workshops.

Cable Branch Box3.It supports flexible customization of 1-4 incoming circuits and 8-24 outgoing circuits. Each outgoing circuit can be independently equipped with overload protection and short-circuit protection modules, with a circuit switching response time of ≤0.1s. It can accurately match the power distribution needs of different areas and equipment in the factory, and the number of circuits can be increased at any time according to the expansion of the production line.4.Adopting a drawer-type modular design, the core electrical components can be quickly plugged and replaced. No overall power outage is required during maintenance, and the maintenance time of a single module is ≤15 minutes, which greatly reduces the factory downtime loss. The internal wiring is organized in separate trunking areas with clear wire harness identification, reducing the failure rate by more than 30%.Cable Branch Box

5.Integrated with real-time monitoring modules for voltage, current and temperature, the data collection accuracy is ≤±0.5%. It can be linked with the factory's intelligent power distribution system through the RS485 communication interface to realize real-time alarm (response time ≤3s) for abnormalities such as overload, over-temperature and leakage, early warning of potential faults, and the power supply reliability is improved to 99.9%.6.The cabinet adopts a composite heat dissipation structure with upper and lower double vents + built-in cooling fans, which improves the heat dissipation efficiency by 40% and can control the working temperature of internal components within +15℃ of the ambient temperature. The fan start-up temperature can be intelligently set (default 45℃), reducing energy consumption by 25% and extending the service life of core components to more than 10 years.Product Display

Company Profile

Shandong QianshengBasic 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 QIANSHENGShandong 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.FAQFAQQ: What is the production capacity of your factory's branch boxes, and can you meet the demand for large-volume orders?
A: Our factory has 2 automated production lines with a monthly capacity of up to 5,000 units, supporting the rapid delivery of large-volume orders of over 1,000 units. We also have an exclusive quality inspection team to ensure the consistency of bulk products through full-process quality control.Q: Have the products passed international certifications, and is the quality guaranteed?
A: Our factory's branch boxes have fully passed international certifications such as CE and are produced in accordance with the ISO9001 quality management system. Each product undergoes 3 strict inspections before leaving the factory, with a defect rate of less than 0.1%.Q: Can you provide customized production according to the special needs of the factory?
A: Our factory has more than 20 years of experience in customized power equipment, with a professional R&D and design team. We can customize cabinet materials, electrical parameters, functional modules, etc. according to customer needs, and the sampling cycle of customized products is only 7 working days.Q: What are the advantages of your factory's production process, and can it ensure product durability?
A: Our factory adopts advanced processes such as CNC bending and electrostatic spraying. The cabinet has an anti-corrosion grade of C5-M, which can withstand extreme temperatures from -40℃ to +70℃. The service life of core components is as long as 10 years, suitable for various complex industrial working conditions.Q: What cooperation cases does your factory have to prove its strength?
A: Our factory has provided branch box products for industrial customers in more than 20 countries around the world. Our cooperative customers cover chemical industry, metallurgy, new energy and other fields, including the power distribution system transformation project of a well-known European automobile manufacturer, with a cumulative delivery of more than 100,000 units.