CNLonQcom is a professional manufacturer of 3P DC Surge Protective Devices in China. The DC Surge Protective Device is designed to protect equipment from the damaging effects of DC surges on the power grid. It is mainly used in photovoltaic systems with voltages of DC500V, DC600V, DC800V, DC1000V, and DC1500V.
LD-40 Surge protector | LD-40 |
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PVDC - specific | EN50539-11 |
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Pole | 2P | 2P | 3P | 3P | 2P (COSTOMIZED) | |
Electrical parameter | / | / | / | / | / | |
Classified test | Ⅱ | Ⅱ | Ⅱ | Ⅱ | Ⅱ | |
Uoc max (VDC) | 600 | 800 | 1000 | 1500 | 12月24日 | |
Uc (VDC) | 600 | 800 | 1000 | 1500 | 12月24日 | |
In (8/20)us (kA) | 20 | 20 | 20 | 20 | 20 | |
Imax (8/20)us (kA) | 40 | 40 | 40 | 40 | 40 | |
Up(kV) | 2 | 2.5 | 3.8 | 5.3 | 2 |
"Remote signal contact" |
Maximum working voltage (V) Maximum working current (A) IA (250V/AC) 1A (30V DC) |
250VAC/30VDC | 250VAC /30VDC |
IA (250V/AC) | IA(250V/AC) | ||
IA(30V/AC) | IA(30V/AC) |
Wiring capacity (mm) | Hard wire | 4~25 | 4~25 | |
Flexible wire | 4~16 | 4~16 | ||
Stripping length (mm) |
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10 | 10 | |
Terminals crcwa |
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M5 | M5 | |
Torque (Nm) | Main circuit | 3.5 | 3.5 | |
Remote signal contact | 0.25 | 0.25 | ||
Protection class | All profile | IP40 | IP40 | |
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Connection port | IP20 | IP20 | |
Installation environment |
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No obvious shock and vibration |
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Altitude (m) |
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≤ 2000 | ≤ 2000 | |
Working Temperature |
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-30℃ ~+70℃ | -30℃ ~+70℃ | |
Relative humidity |
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30%~90 % | 30%~90 % | |
How to install |
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Installed with H 35-7.5/DIN35 steel mounting rail |