Semi-encapsulated Upper Isolation Circuit Breaker Switch
Product Description
tino@zjlgdq.cn
Liange Electric boasts a highly skilled technical team, with over 300 employees, including 30 technicians and 12 R&D personnel.
We offer comprehensive ODM services backed by vertically integrated manufacturing infrastructure, including precision metal processing (CNC machining, stamping, laser cutting, milling), mold design & fabrication, and injection molding workshops. This enables end-to-end capabilities from prototyping to mass production. Specializing in low & medium voltage electrical applications, we support flexible low-volume customization while maintaining scalability for high-volume orders. Our solutions are engineered to meet evolving demands in smart grid systems, renewable energy integration, and other mission-critical industries. Additionally, our company is equipped with a variety of advanced testing equipment, such as coating thickness gauges, mechanical characteristic testers, and voltage withstand test devices, ensuring that every product undergoes rigorous quality inspections. We are committed to providing customers with stable and reliable high-quality products.
| Main Technical Parameters |
| Item |
Technical Parameters |
Item |
Technical Parameters |
| Rated Voltage (kV) |
12 |
Rated Short-Duration Power-Frequency Withstand Voltage (Across Isolating Distance) (kV) |
48 |
| Rated Current (A) |
630 |
Rated Lightning Impulse Withstand Voltage (Across Isolating Distance) (Peak) (kV) |
85 |
| Rated Frequency (Hz) |
50 |
Closing Operating Voltage (V) |
DC220.110.48.24V |
| Rated Short-Circuit Breaking Current (kA) |
20/25 |
Opening Operating Voltage (V) |
DC220.110.48.24V |
| Rated Short-Circuit Making Current (Peak) (kA) |
50/63 |
Classification Class Based on Mechanical Endurance |
M2 |
| Rated Short-Duration Withstand Current Duration (s) |
4/3 |
Classification Class Based on Capability to Switch Capacitive Currents |
C2 |
| Rated Short-Duration Withstand Current (kA) |
20/25 |
Rated Dry Air Filling Pressure (Gauge Pressure at 20°C)MPa |
0.02 |
| Rated Peak Withstand Current (kA) |
50/63 |
Ingress Protection (IP) of the cabinet shell |
IP4X |
| Rated Short-Duration Power-Frequency Withstand Voltage (Phase-to-Phase/Phase-to-Earth) (kV) |
42 |
Ingress Protection (IP) of the Sealed cabinet |
IP67 |
| Rated Lightning Impulse Withstand Voltage (Phase-to-Phase/Phase-to-Earth) (Peak) (kV) |
75 |
Rated Operating Sequence |
O-0.3s-CO-180s-CO |
| Payment Terms: | TT |
| Embed HTML Code: | https://www.douyin.com/root/search/%E8%81%94%E6%A0%BC%E7%94%B5%E6%B0%94-Tino?aid=269d83d1-5c02-4052-a185-0f4177e0004b&modal_id=7482708743289834791&type=general |
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