Product Description
The DSB-C series surge protector is suitable for TT, IT, TN-S, TN-C-S and other power supply systems with AC 50Hz/60Hz, 380V and below. It can be used as an equipotential connection during lightning strikes. Its design is in accordance with IEC-61643-1 and GB18802.1 (2002 edition) standards. The shell is designed to be installed on a 35mm electrical guide rail. The product has a built-in failure release device. When the power protection fails due to overcurrent overheating and breakdown, the failure release device can automatically disconnect it from the power grid. At the same time, the visual alarm indicator module can be replaced when there is working voltage.  

Product Features
Replace the protector unit without power outage
Can withstand up to 150KA (8/20 μ S) lightning current surge
Remote signaling contacts and alarms
Action response time less than 25 nanoseconds
The window color indicates the working status of the protector: green (normal), red (fault)

Installation location and application
C-level surge protection level (SPD) protection, used for equipotential overvoltage during lightning strikes, installed at the junction of LPZOB or LPZ1 zone and LPZ2 zone. Usually installed are floor distribution boxes, computer centers, telecommunications rooms, elevator control rooms, cable TV rooms, building control rooms, security monitoring centers, fire centers, industrial control rooms, frequency conversion equipment control rooms, hospital operating rooms, monitoring rooms, and distribution boxes in places where electronic medical equipment is installed. It can also be installed in the main lighting distribution box of residential buildings below six floors, and SPD should be installed in the household distribution box for dispersed small villas.  

technical parameters

Product wiring diagram

DSB-C series surge protector