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Transfer switching equipment
WHKN-125N2
The WHK series automatic transfer switch equipment are suitable for dual-circuit power supply systems (grid - grid, grid - generator or generator - generator). They are used for power switching in case of abnormal voltage or frequency of one power supply, in order to ensure the continuity and safety of power supply for important users. ATSE is widely applied in public buildings, energy and civilian residences, industrial automation, infrastructure, military facilities and other fields.
Product Details
Model and Meaning
Technical Specifications
Appearance and dimensions
Other
Overview
WHK series automatic transfer switch equipment are suitable for power switching in double-circuit power supply systems (grid-grid, grid-generator or generator-generator) due to abnormal voltage or frequency of one power supply, so as to ensure the continuity and safety of power supply for important users. ATSE is widely used in public buildings, energy and civil houses, industrial automation, infrastructure, military facilities and other fields.
| WHK | N | — | 125 | N2 | / | ☐ | / | ☐ |
|---|---|---|---|---|---|---|---|---|
|
Wuxi Hanguang Electric Company Limited |
Automatic transfer switching equipment ATSE |
Rated thermal Current (A) |
Derivation code: one-piece | Number of poles | Rated operating current |
Main technical parameters
| Model | WHKN-125N2 | ||||||
|---|---|---|---|---|---|---|---|
| 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) | 3.7 | 4.2 | 4.7 | 4.5 | 5 | 6 | |
| Operation cycle (sec/time) | 15 | ||||||
| Controller | Built-in | ||||||
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-125N2 | ||
|---|---|---|---|
| Rated operating current (A) | 20、25、32 | 40、50、63、80、100、125 | |
| A | 2P | 219 | 239 |
| 3P | 246 | 275 | |
| 4P | 273 | 311 | |
| B | 2P | 199 | 219 |
| 3P | 226 | 255 | |
| 4P | 253 | 291 | |
