APPLICATION
STW-C40 series SPD secondary power surge protectors are designed according to IEC and GB standards. The products with powerful surge release capability, each of the maximum discharge current 10~80kA(8/20µs), applicable to low-voltage distribution system protection at all levels, according to different distribution systems (TT/TN/IT) can choose a variety of combinations.
SURGE PROTECTION DEVICE
Model No: STW-C40/2
Uc: 285V AC
imac40KA
Grade Test: II
EN 61643-11
| Type | STW-C40 | |||
|---|---|---|---|---|
| Protection level B, C, D Grade | D, C, B | |||
| Rated Operating Voltage Un (V) | 380V / 220V | |||
| Max continuous operating voltage Uc (V) | 275V | 320V | 385V | 385V |
| Voltage protection level Up (kV) | ≤1.0 | ≤1.2 | ≤1.8 | ≤2.0 |
| Maximum discharge current Imax (8/20µs) kA | 5 | 10 | 20 | 30 |
| Nominal discharge current In (8/20µs) kA | 10 | 20 | 40 | 60 |
| Response times | ≤25 | |||
| Test Standard | IEC61643.1, GB18802.1 | |||
| Operating Environment | -40 degree to +85 degree | |||
| Max Connection Line | 35mm² hard wire / 35mm² strand wire copper line | |||
| Recommended Connection Line | 16mm² hard wire / 25mm² strand wire copper line | |||
| Keyword | AC surge protection device | |||
