Customizable Electrical Control Cabinet Switch Box for Industrial Use

Product Description

Product Description

RING MAIN UNIT

The ring main unit features a bus room, load switch or circuit breaker room, cable room, and an operating mechanism. It includes an interlocking mechanism, low-voltage control room, and measurement or metering circuits. Each compartment is divided by a steel plate to prevent failures from impacting adjacent rooms.

Positioned at the top of the cabinet, the bus room connects the main bus bars, which run horizontally through the switch cabinets for easy expansion.

The load switch room houses a load switch with an epoxy resin shell filled with SF6 gas for arc extinguishing and insulation. Transparent plastic end covers allow observation of contact state. SF6 gas density meters with alarm contacts can be installed as per customer needs.

Located centrally, the circuit breaker room can be fitted with a vacuum or SF6 circuit breaker, designed to handle normal operations and special short-circuit conditions. It features a spring-operating mechanism for reliable action and extended service life.

Specification

Project	Units	C Module	F Module	V Module		CB Module
		Load Switch	Combination Electric Appliance	Vacuum Switch	Isolation/Grounding Switch	Vacuum Circuit Breaker	Isolation/Grounding Switch
The Rated Voltage	KV	12	12	12	12	12	12
Rated Frequency	HZ	50	50	50	50	50	50
Power Frequency Withstand Voltage (Phase/Fracture)	KV	42/48	42/48	42/48	42/48	42/48	42/48a
Lightning Shock Withstand Voltage	KV	75/85	75/85	75/85	75/85	75/85	75/85
Rated Current	A	630	infuse1)	630		1250/630
Breaking Ability:
Rated Closed Loop Breaking Current	A	630
Rated Cable Charging Break Current	A	10
Rated Short Circuit Closing Current (Peak)	A	50	80
Rated Peak Tolerable Current	kA	50
Rated Short-Time Tolerable Current	kA/35	20
Rated Short Circuit Breaking Current	kA		31.5	20		25
Rated Transfer Current	A		1700
Use The Maximum Current Of The Fuse	A	-	125
Loop Resistance	-n	≤300	≤600
Mechanical Life	next	5000	3000	5000	2000	5000	2000
Note: Depends On Current Rating Of The Fuse

Detailed Photos

The cable room facilitates the connection of single-core or three-core cables with unshielded cable heads. It accommodates components like arresters and transformers. The standard-designed door offers viewing windows and interlocks, while the floor has a sealing cover and cable clamps.

The interlocking low-pressure chamber serves as a control screen, equipped with a spring-operated mechanism, mechanical interlocking device, and auxiliary contacts. It supports emergency tripping mechanisms and electric devices, with space for control loops and protective relays.

FAQ

Q1. Are you a trading company or manufacturer?
A: We are a professional factory with a decade of expertise in high and low voltage switchgears, substations, transformers, cable distribution boxes, and electrical equipment like vacuum circuit breakers and load break switches.
Our factory is a distinguished supplier to the State Grid Corporation of China.

Q2. Do you accept customized service?
A: We provide OEM/ODM services and can brand the product with your logo. Our expert team delivers satisfactory projects based on your drawings and parameters.

Q3. What is your MOQ?
A: Our minimum order quantity is one piece.

Q4. How long is your delivery lead time?
A: Delivery depends on product requirements and quantity, typically within 5-10 working days.

Q5. How do you solve quality problems?
A: Kindly provide comprehensive photos of any quality issues. Our technical and quality assessment team will conduct an analysis. A satisfactory solution will be offered within 2 days.

Q6. What are your payment terms?
A: 30% T/T in advance, 70% prior to shipment. West Union and L/C are also acceptable options.