1. Description
Fatech Electronic (CHINA) LTD 's DC surge arresters are used for protection of photovoltaic on grid systems, Uc pv up to 1200Vdc, Class I, Class I+II, Class II are available. These Pluggable DC surge arresters are with remote control contacts and inspection window for your option. It is recommend to choose them with remote control contacts, and 3 poles (Y type).
2. Characteristics
1)DC surge protective device used for photovoltaic system.
2)The core parts are metal oxide varistor components with high discharge capacity.
3)With Reliable control thanks to Thermo Dynamic Control disconnector.
4)Remote signaling contact for control device optional.
5)Fault indication via red mark in the inspection window.
6)3 poles, Y type
3. Electrical Parameters
1) Test class IEC/EN/VDE: Class I+II/B+C/T1+2
2) Protection mode: +/----PE, -/+---PE, +/---- -/+
3) Type of Network: Photovoltaic system
5) Max. discharge current (8/20μs) Imax: 60kA
6) Nominal discharge current (8/20μs) In: 30kA
7) Response time tA: ≤25ns
8) Recommended back-up fuse: 160A
9) I/O Connections: Multi core wire:6-35mm2
10) Mounting: 35mm Symmetrical rail (EN50022/DIN46277-3)
11) Operation temperature range / humidity / altitude: -40℃~+80℃/30%~90%/3000m
12) Degree of protection: IP20
13) Housing material: UL94V0
14) Disconnection indicator: Mechanical indicator (Green: OK, Red: replace)
15) Remote control contact: Optional
16) Impulse current (10/350us) Iimp: 7kA