Environmental Protection Cabinet
01
PT Isolating Switch
The GHK-12 PT Isolating Switch is a high-performance component specifically designed for use in environmentally friendly air-insulated ring network cabinets. This isolating switch features a compact, integrated spindle structure that ensures uniform electric field distribution, excellent synchronization, and reliable performance.The GHK-12 PT Isolating Switch is ideal for use in PT units within air-insulated ring network cabinets, ensuring reliable isolation and grounding functions.
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 |
Power Frequency Withstand Voltage: To Ground / Phase-to-Phase |
kV |
42 |
|
7 |
Power Frequency Withstand Voltage: Across Breaker Contacts |
kV |
48 |
|
8 |
Lightning Impulse Withstand Voltage: To Ground / Phase-to-Phase |
kV |
75 |
|
9 |
Lightning Impulse Withstand Voltage: Open Contact |
kV |
85 |
|
10 |
Main Circuit Resistance |
μΩ |
≤30 |
|
11 |
Isolating / Earthing Switch Mechanical Life |
order |
5000 |
|
12 |
Gas Box Pressure |
bar |
1.25 |
Structure and characteristics
Integrated Spindle Structure
Ensures uniform electric field and high synchronization performance.
Durable Design
Long service life with minimal maintenance required.
Compact and Easy Installation
Saves space and simplifies assembly in ring network cabinets.
Versatile Functionality
Capable of performing PT main circuit closing, opening, and grounding operations.
Environmental Condition
Ambient Temperature: Maximum temperature +40°C, minimum temperature -15°C (storage and transportation are allowed at -30°C).
Altitude: ≤2000 meters.
Ambient Humidity: Daily average relative humidity ≤95%, monthly average relative humidity ≤90%.
Seismic Intensity: Not exceeding magnitude 8.
Usage Environment: No risk of flammable or explosive hazards, no vaporized water, corrosive gases, or severe vibration.
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.
Operating Mechanism: Compression spring-based with single-rod mechanical interlock.
Advantages
Reliable and Safe: Provides secure isolation, ensuring personnel safety during maintenance.
Compact Design: Optimizes space in switchgear and control panels.
Durability: Built to last with minimal maintenance requirements.
Contact Information
For more details, please contact us:
Company Name: KENJING GROUP Co., Ltd.
Phone: +86-15888718229
Email: john@china-kenjing.com