Product Overview
The GW1-10/1250 Outdoor High Voltage Disconnector is a key component designed for 10kV distribution systems, with a rated current of 1250A. It is primarily used for reliable circuit isolation, switching, and maintenance disconnection in electrical networks. Featuring excellent insulation performance and short-circuit withstand capability, it supports both manual and electric operation. Suitable for outdoor substations, industrial power distribution networks, and renewable energy plants, it ensures the safe and continuous operation of power systems.
Product Features
◆High Electrical Performance: Rated for 12kV max operation, with robust insulation: 40kV RMS (ground) and 47kV (break) power-frequency withstand, plus 105kV (ground) and 120kV (break) lightning impulse withstand voltages.
◆Strong Short-Circuit Withstand: Capable of withstanding 31.5kA RMS for 4 seconds (thermal) and 80kA peak (dynamic), ensuring resilience during system faults.
◆Flexible Operation: Supports manual rain-proof mechanisms (CS8-1, CS8-D, CS8-5) or CX6 electric operation to suit varying site needs.
◆Environmental Adaptability: Designed for outdoor use with a robust structure, suitable for various climatic conditions and installation environments.
Product Advantages
◆Safety and Reliability: High insulation and voltage withstand design effectively resists overvoltage and harsh weather, ensuring the safety of operators and equipment.
◆Durability: High-quality materials and rigorous craftsmanship ensure long mechanical life and low maintenance requirements, reducing lifecycle costs.
◆Easy Installation and Operation: Modular design supports multiple installation methods such as pole-mounted or frame-mounted; mechanisms are user-friendly with clear open/close indications.
◆Wide Compatibility: Complies with national standards and power industry regulations, compatible with common distribution equipment.
Usage Scenarios
◇10kV Outdoor Substations: Used for line isolation, busbar segmentation, and transformer switching.
◇Industrial and Mining Power Distribution Systems: Serves as isolation and load-switching equipment in industries such as steel, chemical, and mining.
◇Renewable Energy Power Plants: Used for isolation and maintenance in photovoltaic plants and wind farm collection lines.
◇Urban Distribution Networks: Suitable for ring main units, pole-mounted switches, and line segmentation isolation.
◇Railway and Infrastructure Power Supply Systems: Provides reliable isolation for electrified railways, tunnels, airports, and other power supply networks.
Technical parameters
| Item | Unit | Argument | ||
| Rated voltage | kV | 10 | ||
| Maximum operating voltage | kV | 12 | ||
| Rated insulation level | 1min power frequency withstand voltage (RMS) | Over the ground | kV | 40 |
| fracture | kV | 47 | ||
| Lightning impulse withstand voltage (peak) | Over the ground | kV | 105 | |
| fracture | kV | 120 | ||
| Rated frequency | Hz | 50 | ||
| Rated current | A | 1250 | ||
| 4s short-time thermal current（RMS） | kA | 31.5 | ||
| Dynamic stable current (peak) | k | 80 | ||
| Matching mechanism | CS8 – 1、CS8 – D、CS8-5 rain-proof manual mechanism or CX6 electric operating mechanism | |||
