Draw-out Indoor Vacuum Circuit Breaker

NegotiableUpdate on October 06

Model

Nature of the Manufacturer: Other

Product Category: Vacuum Circuit Breaker

Place of Origin: City, Province

Online Consult Contact Information

Overview

With a rated voltage of 12kV,three phase AC frequency of 50Hz, draw out type vacuum circuit breaker can be a flexiable unit to protect line equipment with short-circuit situation or frequent operations.

Product Details

Description:

The VS1-12 indoor high-voltage vacuum circuit breaker (the circuit breaker below) is used in indoor switchgear of 12 kV power systems, and as the protection and control unit for equipment in the grid and power equipment for industrial and mining establishments, it is used to control and protect cables, overhead lines, distributing substations, motors, transformers, generators, capacitors and other equipment in the distribution system.

NO	Item	Unit	Technical Parameters
1	Rated voltage	KV	12
2	Rated short-duration power frequency withstａnd voltage	KV	42/48(Interphase, ground/fracture)
3	Rated lightning impulse withstａnd voltage	KV	42/48(Interphase, ground/fracture)
4	Rated frequency	Hz	50
5	Rated current	A	630 1250	630 3150	630 3150
6	Rated short-circuit breaking current	KA	20/25	31.5	40
7	Rated short-time withstａnd current	KA	20/25	31.5	40
8	Rated short circuit duration	S	4
9	Rated peak withstａnd current	KA	50/63	80	100
10	Rated short circuit closing current	KA	50/63	80	100
11	Secondary circuit power frequency withstａnd voltage (1min)	V	2000
12	Rated single / back to back capacitor group breaking current	A	630/400(40kA:800/400)
13	Rated capacitor bank closing current	KA	12.5 (frequency is not greater than)

Vs1-Indoor-Vacuum-Circuit-Breaker-with-Vacuum-Insulated-Type-Vcb-12kv-24kv (5)

Productive Capability

This production plant is one of our production plants special for intelligent switching elements, switchgear, intelligent switching packaged equipment,automatic passing of the phase separation system, box-type substations,DC field key equipment and other electrical products.This is the largest one-block medium switch factory in China (ａnd even in the world) with the highest degree of automation and the most advanced manufacturing technologies fitted with world-class APG casting equipment manufactured by Germany Heydrich, busbar process equipment manufactured by Germany EHRT, laser welder manufactured by ABB, automatic storage & retrieval system and automatic production lines of products (including medium voltage circuit breaker, high and low voltage switchgear, and ring main unit switchgear).