HXGN17-12 Metal-enclosed Ring Main Unit Switchgear
HXGN17-12 fixed type metal-enclosed switchgear (referred to as ring network-cabinet) has a rated voltage of 12kv. Rated frequency of 50Hz AC medium voltage electrical equipment, mainly used for three-phase AC bad network, end point distribution network and industrial power equipment, from receiving, distributing electric energy andFor other functions, it is also suitable for equipping a box-type substation.
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HXGN17-12 Metal-enclosed Ring Main Unit Switchgear.pdf Operating Conditions
1. Ambient temperature: upper limit + 40℃, lower limit ‒25℃;
2. Altitude: ≤1000m;
3. Relative humidity: daily average 95%, monthly average 90%;
4. A place free from fire, explosion, and severe vibration;
5. The surrounding air is free from obvious pollution such as corrosive or flammable gases, water vapor, and conductive dust. and technical mea-sures.
Model and meaning
Technical Specification
| Item | Unit | Parameters | |
| Rated Voltage | kV | 12 | |
| 1min Power Frequency Withstand Voltage | To ground and between phases | 42 | |
| fracture | 48 | ||
| Lightning Impulse Voltage (peak) | To ground and between phases | 75 | |
| fracture | 85 | ||
| Rated Frequency | Hz | 50 | |
| Load Switch | Rated Current | A | 630 |
| Electrical Life at Rated Current | Times | more than 100 | |
| Interrupting no-load Transformer Capacity | kVA | 1250 | |
| Rated Heat Stable Appliance | kA/s | 20/4; Gounding Switch 20/2 | |
| Rated Dynamic Stable Current (peak) | kA | 50 | |
| Rated Short-circuit Closing Current (peak) | 50 | ||
| Fuse rated current | 125 | ||
| Combination Appliance |
Rated Transfer Current | A | 870 |
| Rated Short Circuit Breaking Current | 20 | ||
| Equipped with Fuse Model | kA | S□LAJ-12 | |
| Mechanical Life | Times | 2000; 10000 | |
| Auxiliary Circuit 1min Power Frequency Withstand Voltage | kV | 2 | |
| Working Voltage of Electric Operating Mechanism | V | AC DC 220; 110 | |
| Protection Class | / | IP2X | |
External Dimensions
