Surge arrester specifically developed to protect photovoltaic devices from overvoltage. The DS 50PVS surge arresters are two-part type 2 arresters (with a modular structure) and are mounted on a DIN rail. The replaceable module allows for easy replacement of a damaged part without the need to disassemble the connected wires.
These arresters contain a high-performance varistor with a thermal fuse, and in the event of a fault, the thermal disconnect device will disconnect the arrester's current circuit, which is indicated by the optical status signal of the arrester.
Features:
- Type 2 surge protection for photovoltaics
- Safe disconnect device
- Fault-resistant Y connection
- No damage occurs in the event of insulation failure
- Modular structure
- Remote signaling contact as standard
- Complies with EN 61643-31 and NF EN 50539-11 standards
BASIC SPECIFICATIONS
Nominal voltage (Un): 500 V
Max. allowable operating voltage (Uc): 530 V
Maximum discharge current Imax (8/20 µs): 40 kA
Nominal discharge current In (8/20 µs): 20 kA
Protection rating: IP20
Operating temperature: -35 to +85 °C
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