- 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 Arrestor
Surge Arrestor
Application range
LDY-C/485 series surge protective device for control signal are applied to the front side of the control signal system, providing protection against overvoltage arising from surge to the control signal or misoperation. (Option from standard IEC61643-21 and GB50343)
Main features
Modularization, DIN rail design, convenient for the installation and replacement;Introducing multilayer protection technology strong protection ability, high reliability;Build-in earthing terminal, strong wiring ability, more reliable grounding;High current capacity and low output residual voltage.
Main technical data
Type | LDY-C/485 | |||
Nominal Operating voltage Un | 5V | 12V | 24V | 48V |
Max. continuous operating Voltage Uc | 8V | 18V | 36V | 75V |
Voltage protection level Up | < 50V | < 50V | < 80V | < 150V |
Part No. | 087204 | |||
Nominal discharge current In (8/20μs) | 5 kA | |||
Connection mode | Wiring terminal | |||
Transmission rate Vs (bit/s) | 2M | |||
Insertion loss dB | ≤0.3 | |||
Housing material | Enhanced flame retardant nylon (light gray, flame retardancy degree: V0) | |||
Installation pattern | 35mm standard DIN rail installment | |||
Cross-section | ≥ 3 mm2 stranded/flexible conductor | |||
Installation instruction
1. The protector connected in serial between the signal channel and the protected device;
2. Connect the input terminal to the signal channel, and the output terminal to the protected device, reverse connection prohibited;
3. Connect the earthing wire of the protector to the equalizing ring of the lightning protection system;
4. Invalid system the earthing short circuit or open circuit.
Surge Arrestor
