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- FV50B/1 -***（S）
FV50B/1 -***（S）
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FV50B/1 -***（S）
Product catalog summary
Specifications:
The document outlines the specifications for a surge protective device designed for 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.
The document outlines the specifications for a surge protective device designed for 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 FV50B/1-150(S), FV50B/1-255(S), FV50B/1-275(S), FV50B/1-320(S), and FV50B/1-385(S). They are tested under IEC/EN/VDE Class I/B and are suitable for TT, TN, and IT network types. The protection mode is L/N-PE, with nominal voltages ranging from 110V to 220V and rated voltages (UC) from 150V to 385V.
The models listed are FV50B/1-150(S), FV50B/1-255(S), FV50B/1-275(S), FV50B/1-320(S), and FV50B/1-385(S). They are tested under IEC/EN/VDE Class I/B and are suitable for TT, TN, and IT network types. The protection mode is L/N-PE, with nominal voltages ranging from 110V to 220V and rated voltages (UC) from 150V to 385V.
Performance Parameters:
The device can handle an impulse current of 50kA (10/350μs) and a nominal discharge current of 50kA (8/20μs). The voltage protective level (Up) is ≤1.8kV for most models, with a response time (tA) of ≤100ns. A recommended back-up fuse of 500A is suggested, and the isolation resistance is greater than 10 MΩ.
The device can handle an impulse current of 50kA (10/350μs) and a nominal discharge current of 50kA (8/20μs). The voltage protective level (Up) is ≤1.8kV for most models, with a response time (tA) of ≤100ns. A recommended back-up fuse of 500A is suggested, and the isolation resistance is greater than 10 MΩ.
Installation and Operation:
The device uses multi-core wire connections for L-N and PE, with specific wire size recommendations. It is mounted on a 35mm symmetrical rail (EN50022/DIN46277-3) and 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 rated. A mechanical indicator shows the device status (Green: OK, Red: replace), and remote control contact is optional.
The device uses multi-core wire connections for L-N and PE, with specific wire size recommendations. It is mounted on a 35mm symmetrical rail (EN50022/DIN46277-3) and 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 rated. A mechanical indicator shows the device status (Green: OK, Red: replace), and remote control contact is optional.
Design and Application:
The device features a unique seal construction with a multilayer spark gap, preventing spark emission outside the housing. It includes a working status indication window and is mainly used in lightning protection zones (LPZ) 0 to 1, suitable for building entrance lines, elevators, and mineral applications.
The device features a unique seal construction with a multilayer spark gap, preventing spark emission outside the housing. It includes a working status indication window and is mainly used in lightning protection zones (LPZ) 0 to 1, suitable for building entrance lines, elevators, and mineral applications.
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Catalog excerpts
Surge Protective Device for Low-voltage Power System ♦ Adopt unique designed seal construction with multilayer spark gap, no spark emission outside the housing. ♦ With working status indication window, and remote control contacts. ♦ Max.continuos operating voltage(Uc)150V~,255V~, 275V~,320V~,385V~ for your option. ♦ Mainly used in lightning protection zone (LPZ) 0 to 1, widely used in building entrance lines elevator, mineral, and so on. ♦ 1 pole. Remark: if the model number is without“S”, the model is without remote control contact function
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.