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- FATECH surge arrester FV10D/4-385 for protecting terminal device
FATECH surge arrester FV10D/4-385 for protecting terminal device
FATECH surge arrester FV10D/4-385 for protecting terminal device
The document outlines the specifications for remote control contact in surge protective devices. For AC systems, the maximum voltage is 250V with a current of 0.5A, using single-core wire up to 1.5mm. For DC systems, the maximum voltage is 60V with a current of 0.1A, using multi-core wire up to 1.3mm. Models without 'S' do not have remote control contact functionality.
The device consists of a base part and MOV pluggable protection modules, designed for use in lightning protection zones at boundary 1-2. It features metal oxide varistor components with high discharge capacity, low residual voltage, quick response, and reliable control through Thermo Dynamic Control disconnector. It includes a remote signaling contact for control devices and fault indication via a red mark in the inspection window. The protection mode covers L1, L2, L3, N-PE.
The models listed include FV10D/4-150(S), FV10D/4-275(S), FV10D/4-320(S), FV10D/4-385(S), and FV10D/4-440(S). They are tested under IEC/EN/VDE Class II+III/C+D standards and are suitable for TT and TN network types. Nominal voltages range from 110/220V to 220/380V, with rated voltages from 150V to 440V. The maximum discharge current is 20kA, and the nominal discharge current is 10kA. Voltage protective levels range from ≤0.6kV to ≤2.0kV, with an open circuit voltage of 20kV and a response time of ≤25ns.
Recommended back-up fuse is 63A, with isolation resistance greater than 10 MΩ. I/O connections use multi-core wire ranging from 4mm to 25mm. The device mounts on a 35mm symmetrical rail (EN50022/DIN46277-3). It operates within a temperature range of -40℃ to +80℃, humidity of 30% to 90%, and altitude up to 3000m. The degree of protection is IP20, with housing material rated UL94 V-0. A mechanical indicator shows green for OK and red for replacement. Remote control contact is optional.
Catalog excerpts
Surge Protective Device for Low-voltage Power System ♦ Consisting of a base part and MOV pluggable protection modules. ♦ For using in the lightning protection zones concept at boundary 1-2. ♦ The core parts are metal oxide vristor components with high discharge capacity. ♦ Low residual voltage and quick response. ♦ Reliable control thanks to Thermo Dynamic Control disconnector. ♦ With remote signaling contact for control device. ♦ Fault indication via red mark in the inspection window. ♦ Protection mode: L1,L2,L3,N-PE. Remark: if the model number is without“S”, the model is without remote control contact function
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