DC SPD
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DC SPD
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) | -40℃ ~ +80℃ | |
For Mounting on | TH35-7.5/DIN35 | |
Relative Humidity | 30%~90% | |
Weight kg | 0.36 |