- Contact Person : Ms. Xia Athena
- Company Name : Shanghai LERDN Lightning Protection Co., Ltd.
- Tel : 86-21-3632 1681
- Fax : 86-21-51062207
- Address : Shanghai,Shanghai,2/F., 305 Jiangchang No.3 RD., Shanghai Shibei Industrial Park, China, 200436
- Country/Region : China
- Zip : 200436
Surge Reduction Filter
Surge Reduction Filter
Application range
LDY-40B series are applied to equipotential bonding of the main low voltage distribution boxes in the building, providing overvoltage protection arising from the class 2 lightning strike to power supply system or misoperation. (Option from standard IEC61643- 1 and GB50343)
Main Feature:
Plug-in type design, live-wire replacement, easy maintenance;Build-in temperature control circuit breaker, high security performance;Green light in notice window indicates normal; red indicates broken, replacement notice, which is clear and easy distinguished;Optional telesignalling monitoring interface, realizable remote monitoring;Function of lightning protection backup, half of protection ability is available while either red light on;Assembled 1P, 1P+N, 2P, 3P, 3P+N, 4P etc modes, applied to various electric network systems.Main technical data
Type | LDY-40B | LDY-40B/NPE | ||
Max. continuous operating voltage Uc V | 275 | 385 | 420 | 255 |
Part No. | 081402 | 081403 | 081404 | 081400 |
Voltage protection level Up kV | <2.0 | <2.2 | <2.5 | <1.2 |
Nominal discharge current In (8/20μs) kA | 40 | 40 | ||
Max. discharge current Imax (8/20μs) kA | 80 | 80 | ||
Leakage current 75%Uc 1mA | ≤ 20 μA | -- | ||
Response time tA | < 25 ns | < 100 ns | ||
Protection modes | 1P, 1P+N, 2P, 3P, 3P+N,4P | |||
Housing material | Enhanced flame retardant nylon (UL 94V-0) | |||
Max. backup fuse/air-break switch | 125A gL /63A | |||
Cross-section | ≥ 16 mm2 stranded/flexible conductor | |||
Surge Reduction Filter
