When Purchasing A Can Bus Arrester Module, Factors Such As Response Time And Current Capacity Should Be Considered

4. Response time
4.1 Definition and importance
Response time refers to the time from the detection of surge to the activation of protection by the 15 kv surge arrester module, usually in nanoseconds (ns). The shorter the response time, the faster the 22 kv lightning arrester module will activate protection, and the less likely the 220 kv lightning arrester device will be damaged.
Importance: The CAN bus system is used for real-time communication. Once a surge occurs, the controller and devices in the system are exposed to high voltage for as short a time as possible. If the response time of the 33 kv lighting arrester module is too long, the device may be subjected to surge shock before the protection is activated, causing a short circuit or system shutdown.
4.2 Selection recommendations
Choose a 33 kv lightning arrester module with a response time of less than 100ns to ensure that the CAN bus system can be effectively protected at the moment of surge occurrence and avoid damage to the device due to delayed response.

5. Current capacity
5.1 Definition and importance
Current capacity indicates the total amount of multiple surges that the 33kv lighting arrester module can withstand during its service life. This parameter reflects the long-term durability of the 33kv lightning arrester price module in areas with frequent lightning.
Importance: For CAN bus systems exposed to the outside, especially those laid outdoors or over long distances, the frequency of lightning surges is high. If the current capacity of the 33kv surge arrester module is insufficient, it may fail after multiple lightning surges and cannot continue to protect the equipment, increasing maintenance and replacement costs.
5.2 Selection Recommendations
For CAN bus systems, it is recommended to select 33kv surge arrester price modules with a current capacity of at least 10kA to ensure that the 400 kv lightning arrester module can work stably for a long time under multiple lightning surges, reducing maintenance frequency and costs.