1: TOWSP SPD is suitably used in the TT, TN-S, TN-C, IT, TN-C-S and etc power supply system of AC 50/60HZ
2: Suitable for system power protection, such as power distribution cabinet, switch cabinet, switch cabinet, AC distribution board, etc
3: TOWSP SPD to protect from direct and indirect lightning impulse and other transient over voltage
4: Distribution box with outdoor input in the building and each floor
| TYPE | TOWSP-B60/1 | TOWSP-C40/1 | TOWSP-D20/1 | ||||
| Protection Class: | B | C | D | ||||
| Max.Continuous Operating Voltage (Uc): | 275V | 275V | 275V | ||||
| Nominal Discharge Current (8/20s) (In): | 30KA | 20KA | 10kA | ||||
| Max. Discharge Current (8/20s) (Imax.): | 60KA | 40KA | 20KA | ||||
| Voltage protective level | ~1.5KV | ~1.3KV | ~1KV | ||||
| Response Time: | < 25ns | < 25ns | < 25ns | ||||
| Working Environment: | Temperature -40C +80C; | Temperature -40C +80C; | Temperature -40C +80C; | ||||
| Relative humidity<95%; | Relative humidity<95%; | Relative humidity<95%; | |||||
| indicate deterioration: | green(normal),red(malfunction) | green(normal),red(malfunction) | green(normal),red(malfunction) | ||||
| Material of Outer Shell: | Flame retardant materials | Flame retardant materials | Flame retardant materials | ||||
