APPLICATION
STW-D40 Series Surge Protection Device was designed and manufactured, complying the standard EN61643-31, it widely used in PV DC combiner box, inverter controller and PV DC cabinet. Rated voltage DC1000V, Maximum discharge current 40KAHigh Energy Varistor, high effective for lightning protection
FEATURES
| Electrical Characteristics | 2P | 3P |
|---|---|---|
| Type | 2P | 3P |
| Pole | ||
| Standard | EN61643-31 | |
| Rated Voltage (max continuous a.c. voltage [Ue]) | DC800V / DC1000V / DC1200V | |
| Nominal discharge current (8/20) [In] | 20KA | |
| Maximum discharge current (8/20) [In] | 40KA | |
| Voltage protection level [Up] | 3.2KV / 4.0KV / 4.4KV | |
| Response time [TA] | <25ns | |
| Control and Indication | ||
| Operating State / Fault Indication | Green / Red | |
| Remote Signalling | Max working voltage(V) | 30V DC |
| Contact (Optional) | Max working current(A) | 1A |
| Connection and Installation | ||
| Wire | Hard cable mm² | 4mm² ~ 25mm² |
| Flexible cable mm² | 4mm² ~ 25mm² | |
| Terminal Screws | M5 | |
| Torque (NM) | Main Circuit | 2.5 |
| Remote Contact | 0.25 | |
| Ingress Protection | ||
| IP Rating | IP20 | |
| Installation Environment | ||
| Operating Temperature Range TU | -40°C ~ 85°C | |
| For Mounting on | TH35-7.5 / DIN35 | |
| Relative Humidity | 30% ~ 90% | |
| Weight | 0.24kg | 0.36kg |
