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Transfer switching equipment
WHKN-125N
The WHK series automatic transfer switch is suitable for dual power supply systems (grid-grid, grid-generator, or generator-generator) to switch power supplies in the eve faults such as abnormal voltage or frequency in one power source, ensuring the continuity and safety of power supply for critical users.
Product Details
Model and Meaning
Technical Specifications
Appearance and dimensions
Other
The WHK series automatic transfer switch is suitable for dual power supply systems (grid-grid, grid-generator, or generator-generator) to switch power supplies in the eve faults such as abnormal voltage or frequency in one power source, ensuring the continuity and safety of power supply for critical users.
ATSE is widely used in public buildings, energy and civil houses, industrial automation, infrastructure, military facilities and other fields.
| WHK | N | — | 125 | N | / | ☐ | / | ☐ | + | ☐ |
|---|---|---|---|---|---|---|---|---|---|---|
|
Wuxi Hanguang Electric Company Limited |
Automatic transfer switching equipment ATSE |
Agreement fever Current (A) |
Derivation code: split | Number of poles |
Rated thermal current |
Controller Type |
Main technical parameters
| Model | WHKN-125N | ||||||
|---|---|---|---|---|---|---|---|
| Rated Current (A) | 20、25、32 | 40、50、63、80、100、125 | |||||
| Rated operating voltage (V) | AC230V 50/60 Hz | ||||||
| Operating Current (A) | 10 | ||||||
| Rated insulation voltage (V) | 800 | ||||||
| Rated limited short circuit current (kA) | 35 | ||||||
| Use categories | AC-33B | ||||||
| Service life (times) | Machinery | 15000 | |||||
| Electrical | 10000 | ||||||
| Number of poles | 2P | 3P | 4P | 2P | 3P | 4P | |
| Weight (kg) | 3.2 | 3.7 | 4.2 | 4 | 4.5 | 5.5 | |
| Operation cycle (sec/time) | 15 | ||||||
| Controller | External | ||||||
Normal use conditions and installation conditions
The ambient air temperature does not exceed + 40 ℃, and its average temperature value within 24 hours does not exceed + 35 ℃. The lower limit of ambient air temperature is-5 °C. The elevation of the installation site shall not exceed 200m
At a maximum temperature of + 40 °C, the relative humidity of the air does not exceed 50%, and higher relative humidity may be allowed at lower temperatures, such as up to 90% at 20 °C. Special measures should be taken for occasional condensation due to temperature changes.
The pollution rating is 3.
Installation category III, suitable for electromagnetic environment B.
Storage temperature: between-20 °C and + 55 °C.
| Model | WHKN-125N | ||
|---|---|---|---|
| Rated operating current (A) | 20、25、32 | 40、50、63、80、100、125 | |
| A | 2P | 173 | 193 |
| 3P | 200 | 229 | |
| 4P | 227 | 265 | |
| B | 2P | 153 | 175 |
| 3P | 180 | 195 | |
| 4P | 207 | 235 | |
| C | 186 | 186 | |
| D | 165 | 165 | |
| E | 12 | 20 | |
