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FATECH ELECTRONIC (FOSHAN) CO., LTD
FATECH surge protector FV20C/1+NPE-275 for Single phase ac power supply system

FATECH surge protector FV20C/1+NPE-275 for Single phase ac power supply system

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 Numbers:
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).

Test Class and Network Type:
The devices are tested under IEC/EN/VDE Class II/C and are suitable for TT type networks. The protection mode is L-N and N-PE.

Electrical Characteristics:
Nominal voltage is 110/220V~ to 220/380V~ at 50(60)Hz. The rated voltage (UC) ranges from 150V~ to 440V~. Maximum discharge current (Imax) is 40kA, and nominal discharge current (In) is 20kA. Voltage protective levels (Up) vary for L-N and N-PE connections.

Response Time and Fuse Recommendation:
Response time is ≤25ns for L-N and ≤100ns for N-PE. A 125A back-up fuse is recommended.

Physical and Environmental Specifications:
Isolation resistance is 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). Operating temperature ranges from -40℃ to +80℃, with humidity between 30% and 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 with metal oxide varistor components for high discharge capacity. It is designed for use in lightning protection zones at boundary 1-2, offering low residual voltage and quick response. Fault indication is provided via a red mark in the inspection window.

Catalog excerpts

FATECH surge protector FV20C/1+NPE-275 for Single phase ac power supply system-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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