Basic Info.
Product Description
Series PV DC Surge Protection Device
Application
PV DC KYUD-40 Surge Protection Device was designed and manufactured to complying the PV standard EN50539-11. It widely used in PV DC combiner box, inverter, controller and PV DC cabinet. Rated voltage 1000V DC, maximum discharge current 40KA, High Energy Varistor, high effective for lightning protection.
• Suitable For Use in All Photovoltaic Systems
• Prewired Modular Complete Unit, Consisting of A Base Part and Plug-in Protection Modules
• Plug-in Protection Module. Easily Installation and Maintenance
• High Energy Varistor, Response Time Less Than 25 Nanosecond
• Optional Remote Signalling Contact(FM) for Monitoring Device (Floating Changeover Contact)
• Din Rail Mounting TH35-7.S/DIN35
• Comply with :EN 50539-11
Parameter
PV DC KYUD-40 Surge Protection DC
| Pole | 2P 3P 4P | |
| Standard | EN 50539-11 | |
| Category IEC/EN | IEC II / EN2 | |
| Open Voltage Uoc Max | 1000V DC | |
| Max Continuous Operational Voltage Uc | 1000V DC | |
| Nominal Discharge Current ln(8/20)μs | 20KA | |
| Maximum Discharge Current lmax(8/20)μs | 40KA | |
| Voltage Protection Level Up | ≤3.8KV | |
| Response Time | ≤25ns | |
| Operating State/fault Indication | Green/Red | |
| Plug-in Protection Module | ||
| Remote Signalling Contact (Optional) | Max. Working Voltage(V) | 30V DC |
| Max. Working Current | 1A | |
Connection And Installation
| Wire | Hard cable mm2 | 4~25 |
| Flexible cable mm | 4~16 | |
| Terminal Screws | M5 | |
| Torque(Nm) | Main Circuit | 2.5 |
| Remote Contact | 0.25 | |
| Degree of Protection | IP20 | |
| Installation Environment | Diversified | |
| Operating Temperature Range (TU) | -40ºC ~ +80ºC | |
| For Mounting on | TH35-7.5/DIN35 | |
| Relative Humidity | 30%~90% | |
| Weight kg | 0.36 | |
