Isolation Circuit Breaker Switch on the Environmental Protection Cabinet

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The VHK-12 Environmental Protection Switchgear Isolation Mechanism is a state-of-the-art, eco-friendly isolation solution designed for medium-voltage electrical systems. Engineered with sustainability and operational safety in mind, the VHK-12 ensures that electrical circuits can be safely isolated during maintenance, fault conditions, or emergencies, while minimizing environmental impact. This mechanism integrates seamlessly into VHK-12 switchgear panels, offering advanced protection and an eco-conscious design for modern electrical infrastructure.

product details

PRODUCT PARAMETERS

NO	ITEM	UNIT	PARAMETERS	REMARKS
1	Rated Voltage	kV	12
2	Rated Current	A	630
3	Rated Breaking Current / Thermal Stability Time	kA/s	20/4 ；25/3
4	Rated Peak Withstand Current	kA	50/63
5	Rated Short-Circuit Closing Current	kA	50/63
6	Short-Circuit Closing Operations	order	30
7	Power Frequency Withstand Voltage: To Ground / Phase-to-Phase	kV	42
8	Power Frequency Withstand Voltage: Across Breaker Contacts	kV	48
9	Lightning Impulse Withstand Voltage: To Ground / Phase-to-Phase	kV	75
10	Lightning Impulse Withstand Voltage: Open Contact	kV	85
11	Main Circuit Resistance	μΩ	≤60
12	Arc Extinguishing Chamber Mechanical Life	order	10000
13	Isolating / Earthing Switch Mechanical Life	order	5000
14	Gas Box Pressure	bar	1.25

Isolation Circuit Breaker Switch On The Environmental Protection Cabinet (1)

Structure and characteristics

Eco-Friendly Design

SF6-free insulation, reducing environmental impact.

Efficient Isolation

Quick and reliable isolation to protect personnel and equipment.

Durable Construction

Built to withstand harsh conditions and ensure long-lasting performance.

Safety First

Includes mechanical interlocks to prevent accidental reconnection during maintenance.

Remote Control Option

Can be operated remotely for added safety and convenience.

User-Friendly

Simple manual or motorized operation with visual indicators for easy monitoring.

Electrical Parameters

Rated Voltage: Customized according to specific model and application requirements, typically covering multiple voltage levels.

Rated Current: Various current options are provided based on design specifications to meet different load requirements.

Mechanical life: up to 10,000 times or more.

Operating Environment

Temperature: -15°C to +40°C (storage/transport allowed at -30°C).

Altitude: ≤ 2000 meters.

Humidity: Daily average relative humidity ≤ 95%; monthly average ≤ 90%.

Seismic Resistance: Maximum seismic intensity of 8 degrees.

Installation Conditions: No flammable, explosive, or corrosive gases; no excessive vibration or water vapor.

Advantages Over Competitors

Eco-Friendly Design: The VHK-12 Isolation Mechanism is SF6-free, contributing to a cleaner, safer environment and aligning with modern sustainability standards in the electrical industry.

High Durability: Built with premium materials and rugged construction, the mechanism is designed to withstand harsh environments and provide long-term reliability with minimal maintenance requirements.

Safe Operation: The integration of advanced safety features like interlocks and remote monitoring ensures that isolation is performed correctly and without risk, improving overall system safety.

Reduced Downtime: With quick and efficient isolation, the VHK-12 helps minimize downtime during maintenance or fault conditions, ensuring the ongoing stability of your electrical infrastructure.