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FATECH ELECTRONIC (FOSHAN) CO., LTD
FATECH surge arrester FV30B+C/2-275 for ac power protection

FATECH surge arrester FV30B+C/2-275 for ac power protection

Product catalog summary

Specifications:
The document outlines the specifications for a surge protective device used in low-voltage power systems. It includes details on remote control contact, signal access range, 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 'S' do not have remote control contact functionality.

Model Information:
The models listed are FV30B+C/2-150(S), FV30B+C/2-275(S), FV30B+C/2-320(S), FV30B+C/2-385(S), and FV30B+C/2-440(S). These models are tested under IEC/EN/VDE Class I+II/B+C standards and are suitable for TT and TN network types. The protection mode is L-PE, N-PE.

Electrical Characteristics:
The nominal voltage is 110/220V~ to 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) ranges from ≤0.9kV to ≤2.2kV, and the response time (tA) is ≤25ns. A recommended back-up fuse is 160A, and the isolation resistance is greater than 10 MΩ.

Installation and Operation:
The device uses multi-core wire connections ranging from 4mm to 25mm and is mounted on a 35mm symmetrical rail (EN50022/DIN46277-3). It operates within a temperature range of -40℃ to +80℃, humidity of 30% to 90%, and up to an altitude of 3000m. The degree of protection is IP20, and the housing material is UL94 V-0. It features a mechanical disconnection indicator with green indicating OK and red indicating replacement is needed. Remote control contact is optional.

Design and 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, and quick response. The device ensures reliable control with a Thermo Dynamic Control disconnector and includes a remote signaling contact for control devices. Faults are indicated via a red mark in the inspection window.

Catalog excerpts

FATECH surge arrester FV30B+C/2-275 for ac power 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: L-PE,N-PE. Port definition of remote control contact Range of signal access Remarklif the model number is without“S”, the model is without remote control contact function

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