This switchgear is mainly suitable for use in gas-free underground coal mines, for measuring, controlling, and protecting the neutral point of a power supply system with a rated frequency of 50Hz, a rated voltage of 10KV or 6KV, and a rated current up to 1250A, whether ungrounded or grounded via an arc suppression coil. It enables the reception and distribution of electrical energy.

■Product Classification

Product Model Meaning

Product Type

1. The switchgear is a mining-grade type, marked “KY”.
2. The main switch is a vacuum circuit breaker.
3. AC metal-enclosed handcart structure.
4. The primary circuit configuration includes 20 lines, capable of power input, output, interconnection, control of high-voltage motors, transformers, reactors, voltage measurement, and electro-fuse compensation.

■Use Conditions

1. Ambient temperature: -5℃ to +40℃;
2. Altitude not exceeding 1000m;
3. Relative humidity of ambient air not exceeding 95% (at 25℃);
4. Location free from significant shaking and impact vibration;
5. Location where dripping water is prevented;
6. Horizontal installation tilt not exceeding 15°.

■ Ordering Instructions

Please provide the following product-related data when ordering:

1. Main wiring scheme number, single-line system diagram and layout diagram
2. Secondary circuit wiring diagram and terminal arrangement diagram
3. Model, specifications, and quantity of electrical components inside the switchgear;
4. If the switchgear is to be used in special environmental conditions, this should be specified when ordering;
5. If accessories or spare parts are required, please specify the type and quantity.

■ Technical Parameters