What is a Surge Protective Device (SPD)?
A Surge Protective Device (SPD) is an essential electrical component designed to protect electrical equipment from damage caused by sudden voltage spikes, known as surges. These surges can result from
• Three Shutdown Modes.
• Match LVRT feature of the inverter.
• Meet to NEC 2017/2020 690.12 regulations
• Comply with SUNSPEC protocol
• Black/Blue color is optional
• Single rapid shutdown connects to 1 PV modules
• PLC communication control
• Shutdown while ambient temperature is over 85℃
• Slim size match module perfectly
• Flame retardant rating: UL94-VO
| Curent rating | 21:21A |
| Communication | W:Wifi |
| PV Input | D:Dual |
| Installation mode | C:Clip type |
| STANDARD | DATA |
| Maximum Allowed Input Voltage | 80V |
| Maximun Output Voltage | 80V |
| Number of connectable panels | 1/2 |
| Maximum input current | 15A/21A |
| Maximum short circuit current | 15A/21A |
| Maximum system voltage | 1000V(1500 optional) |
| Operating temperature | Negative 30-80℃ (automatically shut down if over 85℃) |
| Operating environment temperature | Negative 30℃~+55℃ |
| Supply voltage | PV panels |
| Protection level | IP68 |
| Fire-proof level | UL94-V0 |
| Humidity | 0%~90% at 20℃ |
| Interface | MC4 |
| Warranty | 10 Years |
| Panel cable length | 280+10mm |
| String cable length | 1280+10mm |
| Communication | PLC |
| Standards compliant | UL 1741/NEC 2017 690.12 |
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