Outdoor Vacuum Circuit Breaker

CNKEEYA Outdoor Vacuum Circuit Breaker is a reliable and durable high-performance electrical device designed for outdoor power distribution systems. Its excellent performance and reliability make it one of the preferred circuit breakers in the power industry.

1. Product Description

ZW32-12/630-20 is a 12kV outdoor pole-mounted vacuum circuit breaker.Rated frequency: 50Hz three-phase AC;Rated current: 630A;Rated short-circuit breaking current: 20kA.It is widely used in urban and rural power grids, industrial and mining power distribution systems, for switching and protection of load, overload and short-circuit current, suitable for frequent operation occasions.

Model Meaning

ZW32: Outdoor vacuum circuit breaker series

12: Rated voltage 12kV

630: Rated current 630A

20: Rated short-circuit breaking current 20kA

Product description:

Outdoor Vacuum Circuit Breaker is an advanced circuit breaker specially designed for outdoor high-voltage power distribution systems. It uses vacuum arc extinguishing technology to provide reliable protection and control functions for your power system.

2. Product Features

2.1 Structural Design

Three-phase pillar fully enclosed structure, operating mechanism built-in, dustproof, moisture-proof and anti-condensation.

Compact size and light weight, easy pole-mounted installation, no special foundation required.

Optional isolating switch with visible breaking point at opening position and anti-misoperation interlock for maintenance safety.

2.2 Insulation & Arc Extinction

Adopts vacuum interrupter, oil-free and SF6-free, eco-friendly with no fire or explosion risk.

Silicon rubber composite insulation, ozone resistant, UV resistant and strong hydrophobicity; applicable for wide temperature range -40℃~+70℃ and Class IV pollution environment.

Copper-chromium contact with axial magnetic field structure, strong breaking capacity and long electrical service life, ideal for frequent operation.

2.3 Operation & Control

Spring mechanism / permanent magnet mechanism optional, support manual, electric and remote control.

Permanent magnet mechanism with fewer parts and short transmission chain; mechanical life up to 30,000 times, opening time ≤8ms.

External CT/PT configurable, integrated over-current, instantaneous trip and earth fault protection; equipped with intelligent controller for reclosing and fault memory.

2.4 Material & Protection

Cabinet: Stainless steel / Dacromet anti-rust coating with UV-resistant varnish, salt fog and corrosion resistant.

Fully sealed design, resistant to 12mm ice coating and 35m/s wind speed, stable operation at altitude up to 2000m.

3. Selling Points

3.1 High Safety & Reliability

Vacuum arc extinction + eco-friendly material, no fire and explosion hazard, maintenance-free operation.

Millisecond-level fault breaking, fast fault isolation to minimize power outage scope.

3.2 Intelligent Compatibility

Compatible with distribution network automation, support remote monitoring, data upload and active fault alarm.

Integrated primary and secondary design, compliant with national grid standards, easily connected to smart power grid.

3.3 Cost-Effective & High Efficiency

Long mechanical and electrical service life, reduce replacement and maintenance cost, lower whole-life cycle investment.

Simple installation and small footprint, save civil engineering and installation cost, shorten construction period.

3.4 Excellent Environmental Adaptability

Wide operating temperature range, strong anti-pollution and anti-corrosion performance; stable long-term operation under harsh outdoor conditions, suitable for urban, rural, mountainous and coastal areas.

Features:

Efficient vacuum arc extinguishing technology: The use of advanced vacuum arc extinguishing technology ensures fast and reliable circuit disconnection and reduces energy loss.

Excellent weather resistance: Designed to meet the harsh requirements of the outdoor environment, it has excellent waterproof and dustproof properties, ensuring the stable operation of the equipment.

Reliable operating performance: It has reliable short-circuit withstand capability and is suitable for power systems under various working conditions, ensuring the safe operation of equipment and systems.

Intelligent control and monitoring: Equipped with an advanced control system, it can monitor the operating status of the power system in real time and provide all-round security.

Customizable configuration: Provides a variety of specifications and models, and can be customized according to customer needs to meet the requirements of different power systems.

Outdoor Vacuum Circuit Breaker applicable fields:

High voltage power distribution station

Industrial factory area

wind farm

solar power stati