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Control and protection electrical appliances and terminal electrical appliances
WHK-K Surge Protector
This series of products are lightning protection products used in power supply systems. It has high lightning current discharge ability, and its nominal discharge current is 10-80kA. It is suitable for all levels of protection in low-voltage power distribution system. According to different power distribution systems (TT, TN, T), a variety of combinations can be selected.
Product Details
Model and Meaning
Technical Specifications
Appearance and dimensions
This series of products are lightning protection products used in power supply systems. It has high lightning current discharge ability, and its nominal discharge current is 10-80kA. It is suitable for all levels of protection in low-voltage power distribution system. According to different power distribution systems (TT, TN, T), a variety of combinations can be selected.
WHK series modules are easy to install, and building block modules can be plugged and replaced. At the same time, it has a remote alarm function, which will prompt an alarm when the module fails or is not plugged in properly.
| WHK | — | ☐ | K | ☐ | + | N | - | S |
|---|---|---|---|---|---|---|---|---|
|
Wuxi Hanguang Electric Company Limited |
Nominal throughflow capacity | K series lightning protection module | Number of modules |
Yes: With NPE module None: Without NPE module |
Yes: with shake letter None: Without shake letter |
■ High Energy Surge Protection
■ Built-in overcurrent circuit breaker
■ Remote alarm interface (optional)
■ Pluggable replacement anti-demand module
■ Failure detection indication
■ Built-in overheating circuit breaker
■ Standard modular installation
■ ns-order reaction velocity
◆Product performance parameters
| Model | WHK-10K | WHK-20K | WHK-30K | WHK-40K |
WHK-80K (50K, 60K, 70K) |
WHK-K + N |
|---|---|---|---|---|---|---|
| SPD Port | One port | One port | One port | One port | One port | One port |
| SPD Category | Pressure-limiting type | Pressure-limiting type | Pressure-limiting type | Pressure-limiting type | Pressure-limiting type | Voltage switching type |
| Power system | TT-TN-IT | TT-TN-IT | TT-TN-IT | TT-TN-IT | TT-TN-IT | TT-TN-IT |
| Rated voltage | 220V | 220V | 220V | 220V | 220V | - |
| Maximum continuous operating voltage Uc | 385V | 385V | 385V | 385V | 385V | 250V (Us) |
| Nominal discharge current In | 10kA | 20kA | 30kA | 40kA | 80kA | 50 kA (Imp: 15 kA) |
| Maximum discharge current Imax | 20kA | 40kA | 60kA | 80kA | 160kA | 80kA |
| Voltage protection level Up | ≤ 1800V | ≤ 1800V | ≤ 2000V | ≤ 2500V | ≤ 2500V | ≤ 1200 V |
| Circuit breaker | ||||||
| Overheating circuit breaker | Built-in | without | ||||
| Circuit overcurrent breaking device | Built-in | without | ||||
| Mechanical properties | ||||||
| Remote signal alarm | Normally open/normally closed contact terminals (optional) | |||||
| Failure indication | Green: Normal/Red: Failed | |||||
| Connecting wire section | 6 ~ 25mm | |||||
| Installation method | 35mm Standard Rail | |||||
| Operating ambient temperature | -40 ~ 85 °C | |||||
| Enclosure Material | Complies with UL94V-0 | |||||
| Protection level of enclosure | IP20 | |||||
