Indoor 12kv Vacuum Circuit Breaker with Long Life Magnetic Actuator

■Basic Information

Model NO.

VS1 -12M

Speed

High-Speed Circuit Breaker

Medium

Vacuum

Installation

Fixed

Structure

Vcb

Poles

3

Certification

CE, GB1984-2003

Frequency

50/60Hz

Breaking Current

20, 25, 31.5, 40ka

HS Code

8535210000

■Product Introduction

VS1 -12M series indoor high voltage vacuum circuit breaker (VCB) with modular mechanism, fixed type, polar distance 150mm, (cabinet width 650mm) is rated voltage 12kV, three-phase AC 50Hz Indoor high-voltage switchgear. It is applicable to power stations, substations, and industrial and mining enterprises to control or protection transmission and distribution systems, specially for the important high altitude breaking load and frequent operation place and reliable interlock function.

✓The operating mechanism is for the spring energy storage type, supporting AC/DC and manual operations.

✓Can be equipped with long life permanent magnetic actuator for extremely frequent operation.

✓Conforms to National Standard GB1984-2003 and related IEC standards.

■Key Performance Features

High-Performance Breaking

Reliable high-altitude breaking capacity and supports extremely frequent operations.

Flexible Installation

Designed for both fixed and draw-out mounting with modular adaptability.

Reliable Protection

Secure interlock function and three-phase 12kV/50Hz rating for stable control.

■Technical Specifications

No.	Item	Unit	Data
1	Rated voltage	KV	12
2	Rated frequency	HZ	50/60
3	Rated Current	A	630, 1250, 1600, 2000, 2500, 3150, 4000
4	Rated short-circuit breaking current	KA	20, 25, 31.5, 40
5	Rated short-circuit closing current (peak)	KA	50, 63, 80, 100
6	Rated short time withstand current	KA	20, 25, 31.5, 40
7	Rated short-circuit duration	s	4
8	Mechanical life	Times	30000
9	Closing time	ms	≤ 70
10	Opening time	ms	≤ 50

■Main Product & Factory

Our company is a professional high voltage power transmission and distribution equipment supplier. We specialize in manufacturing and exporting Vacuum Circuit Breakers (VCB), Vacuum Contactors, SF6 Circuit Breakers, Disconnecting Switches, Load Break Switches (LBS), and switchgear components. With over ten years of production and sales experience, our products are well received in Southeast Asian, Russian, African, and American markets.

■Certificates & Packaging

■Frequently Asked Questions

Why choose us from numerous suppliers?

We are a recommended model supplier by overseas customers due to our high cost-effectiveness and excellent after-sales service.

How is your after-sales service?

We provide a series of supporting services from installation and debugging, operation and maintenance, fault diagnosis, to replacement of related accessories.

How long is the warranty period and what is the scope?

We offer a 24-month warranty period covering defects in materials or assembly. Artificial damage or unauthorized modifications are not covered.

Do you accept OEM orders or customized products?

Yes, we have a refined technical and management team that can meet the diverse needs of both domestic and foreign customers.

Is there a MOQ and what is the delivery time?

No MOQ is requested. Single samples can be supplied. Normal delivery time is between 3 to 40 days depending on customization requirements.

What are your main international markets?

We are well-received in Southeast Asian, Russian, African, and American markets due to our excellent quality and after-sales support.