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

FATECH surge arrester FV30B+C/2-275S for protection of power system

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.

Model Information:
The models listed include 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). If the model number lacks an 'S', it does not have a remote control contact function.

Test Class and Network Type:
The devices are tested under IEC/EN/VDE Class I+II/B+C and are suitable for TT and TN network types. The protection mode is L-PE, N-PE.

Electrical Characteristics:
Nominal voltage is 50(60)Hz UN with various rated voltages (UC) ranging from 150V to 440V. The impulse current (10/350μs) is 7kA, with a maximum discharge current (8/20μs) of 60kA and a nominal discharge current (8/20μs) of 30kA. The voltage protective level (Up) varies from ≤0.9kV to ≤2.2kV, and the response time (tA) is ≤25ns.

Installation and Operation:
Recommended back-up fuse is 160A, 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 in temperatures from -40℃ to +80℃, humidity from 30% to 90%, and altitudes up to 3000m. The degree of protection is IP20, and the housing material is UL94 V-0.

Additional Features:
The device consists of a base part and MOV pluggable protection modules, suitable 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. It includes a Thermo Dynamic Control disconnector for reliable control and a remote signaling contact for control devices. Fault indication is provided via a red mark in the inspection window.

Catalog excerpts

FATECH surge arrester FV30B+C/2-275S for protection of power system-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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