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FATECH ELECTRONIC (FOSHAN) CO., LTD
FATECH surge arrester FV30B+C/4-275S for ac power supply protection

FATECH surge arrester FV30B+C/4-275S for ac power supply protection

Product catalog summary

Specifications:
The document outlines the specifications for the FV30B+C/4 series surge protective devices, which include models FV30B+C/4-150(S), FV30B+C/4-275(S), FV30B+C/4-320(S), FV30B+C/4-385(S), and FV30B+C/4-440(S). These devices are designed for use in TT and TN type networks and offer protection modes for L1, L2, L3, and N-PE. The nominal voltage is specified at 110/220V~ and 220/380V~ with a rated voltage (UC) ranging from 150V~ to 440V~. The impulse current (I imp) is 7kA, with a maximum discharge current (Imax) of 60kA and a nominal discharge current (In) of 30kA. The voltage protective level (Up) varies from ≤0.9kV to ≤2.2kV, and the response time (tA) is ≤25ns. The recommended back-up fuse is 160A, and the isolation resistance is greater than 10 MΩ. The devices are mounted on a 35mm symmetrical rail and operate within a temperature range of -40℃ to +80℃, with humidity levels between 30% and 90%, and up to an altitude of 3000m. The degree of protection is IP20, and the housing material is UL94 V-0 rated.

Features:
The surge protective devices consist of a base part and pluggable MOV protection modules. They are suitable for use in lightning protection zones at boundary 1-2 and feature metal oxide varistor components with high discharge capacity. The devices offer low residual voltage and quick response, with reliable control provided by a Thermo Dynamic Control disconnector. They include 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, and N-PE.

Remote Control Contact:
The remote control contact is optional and supports AC signals up to 250Vmax with a single core wire of max 1.5mm, and DC signals up to 60Vmax with a multi-core wire of max 1.3mm. The current for AC is ≤0.5Amax and for DC is ≤0.1Amax. Models without the "S" designation do not include the remote control contact function.

Catalog excerpts

FATECH surge arrester FV30B+C/4-275S for ac power supply protection-1

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. Remarklif the model number is without“S”, the model is without remote control contact function

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