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FATECH ELECTRONIC (FOSHAN) CO., LTD
FATECH surge arrester FV20C/1+NPE-275 for AC 1 phase protection

FATECH surge arrester FV20C/1+NPE-275 for AC 1 phase protection

Product catalog summary

Specifications:
The document outlines the specifications for a remote control contact used in surge protective devices. It details the range of signal access and recommended wire specifications for both AC and DC systems. For AC, the maximum voltage is 250V with a current of 0.5A, using single-core wire up to 1.5mm. For DC, the maximum voltage is 60V with a current of 0.1A, using multi-core wire up to 1.3mm. Models without an 'S' in their number do not have remote control contact functionality.

Model Information:
The models listed include FV20C/1+NPE-150(S), FV20C/1+NPE-275(S), FV20C/1+NPE-320(S), FV20C/1+NPE-385(S), and FV20C/1+NPE-440(S). These models are tested under IEC/EN/VDE Class II/C standards and are suitable for TT network types with protection modes L-N and N-PE.

Electrical Characteristics:
The nominal voltage is specified as 110/220V~ to 220/380V~ at 50(60)Hz. The rated voltage (UC) ranges from 150V~ to 440V~. The maximum discharge current (Imax) is 40kA, and the nominal discharge current (In) is 20kA. Voltage protective levels (Up) vary from ≤0.7kV to ≤2.0kV for L-N and ≤1.5kV for N-PE. The response time is ≤25ns for L-N and ≤100ns for N-PE.

Installation and Operation:
Recommended back-up fuse is 125A, 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, and the housing material is UL94 V-0.

Additional Features:
The device includes a mechanical disconnection indicator (green for OK, red for replace) and optional remote control contact. It consists of a base part and pluggable protection modules (MOV + GDT). It is designed for use in lightning protection zones at boundary 1-2, with metal oxide varistor components for high discharge capacity, low residual voltage, and quick response. It features reliable control with Thermo Dynamic Control disconnector and fault indication via a red mark in the inspection window.

Catalog excerpts

FATECH surge arrester FV20C/1+NPE-275 for AC 1 phase protection-1

Surge Protective Device for Low-voltage Power System FV20C/1+NPE ***(S) ♦ Consisting of a base part and MOV + GDT 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: L-N,N-PE. Remark: if the model number is without“S”, the model is without remote control contact function

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