ClassⅡ+Ⅲ/T2+T3/C+D,Imax 10kA

FATECH FV05D/1 series includes FV05D/1-150(S), FV05D/1-275(S), FV05D/1-320(S), FV05D/1-385(S) and FV05D/1-440(S), which are Class II+III/C+D/Type2+3 integrated surge protective devices.Applicable to TT, TN and IT power distribution systems, this single-pole SPD adopts L/N-PE protection mode, covering nominal voltage 110V and 220V with continuous operating voltage options from 150V up to 440V. It features maximum discharge current 10kA, nominal discharge current 5kA and ultra-fast response time ≤25ns, with graded voltage protection level from ≤0.6kV to ≤2.0kV for reliable transient overvoltage suppression.
With isolation resistance over 100MΩ and recommended 16A backup fuse, it supports multi-core wire connection of 4mm²–25mm² and standard 35mm DIN rail mounting. Equipped with mechanical status indicator (Green: OK, Red: Replace) and optional remote control contact, the unit adopts UL94V-0 flame retardant housing and IP20 protection degree. It withstands wide working temperature -40°C~+80°C, 30%~90% humidity and altitude up to 3000m, ideal for terminal overvoltage and surge protection in residential, commercial and industrial low-voltage power distribution systems.

FATECH FV05D/1+NPE series covers FV05D/1+NPE-150(S), FV05D/1+NPE-275(S), FV05D/1+NPE-320(S), FV05D/1+NPE-385(S) and FV05D/1+NPE-440(S), adopting Class II+III/C+D/Type2+3 integrated surge protection design.
This series is specially designed for TT power distribution systems with L-N and N-PE combined protection mode. It adapts to nominal system voltages of 110/220V and 220/380V, with maximum continuous operating voltage ranging from 150V to 440V. It features maximum discharge current 10kA and nominal discharge current 5kA, with graded voltage protection levels: L-N up to ≤0.6kV~≤2.0kV and fixed N-PE protection level ≤1.5kV. The response time is ≤25 ns for L-N and ≤100 ns for N-PE, achieving precise and rapid surge suppression.
With isolation resistance over 100 MΩ and 16A recommended backup fuse, it supports 4mm²–25mm² multi-core wire connection and standard 35mm DIN rail mounting. Equipped with mechanical status indicator (Green: OK, Red: Replace) and optional remote control contact, it adopts UL94V-0 flame retardant housing and IP20 protection degree. It operates reliably at -40°C~+80°C, 30%~90% humidity and altitude up to 3000m, ideal for single-phase terminal overvoltage and surge protection in TT system residential, commercial and industrial low-voltage distribution applications.

FATECH FV05D/2 series consists of FV05D/2-150(S), FV05D/2-275(S), FV05D/2-320(S), FV05D/2-385(S) and FV05D/2-440(S), belonging to Class II+III/C+D/Type2+3 combined surge protective devices.
Designed for TT and TN power distribution networks, this two-pole SPD adopts L-PE and N-PE protection modes, covering system nominal voltages of 110/220V and 220/380V, with maximum continuous operating voltage ranging from 150V to 440V. It features a maximum discharge current of 10kA, nominal discharge current of 5kA and fast response time ≤25ns, with graded voltage protection levels from ≤0.6kV to ≤2.0kV to effectively limit transient overvoltage.
Boasting isolation resistance above 100MΩ and a 16A recommended backup fuse, it supports 4mm²–25mm² multi-core wire connection and standard 35mm DIN rail mounting. Fitted with a mechanical status indicator (Green: OK, Red: Replace) and optional remote control contact, it adopts UL94V-0 flame retardant housing and IP20 protection degree. With wide adaptability of -40°C~+80°C operating temperature, 30%~90% humidity and altitude up to 3000m, it is widely used for terminal surge and overvoltage protection in residential, commercial and industrial low-voltage distribution systems.

FATECH FV05D/3 series including FV05D/3-150(S), FV05D/3-275(S), FV05D/3-320(S), FV05D/3-385(S) and FV05D/3-440(S) are Class II+III/C+D/Type2+3 integrated surge protective devices.
This three-pole SPD is specially applicable for IT power distribution systems with L1,L2,L3-PE protection mode. It covers nominal voltages of 110/220V and 220/380V, with maximum continuous operating voltage from 150V up to 440V. Equipped with maximum discharge current 10kA, nominal discharge current 5kA and rapid response time ≤25ns, it provides graded voltage protection levels from ≤0.6kV to ≤2.0kV to efficiently clamp transient overvoltage and surge interference.
Featuring isolation resistance over 100MΩ and 16A recommended backup fuse, it supports multi-core wire connection of 4mm²–25mm² and standard 35mm DIN rail installation. Built with mechanical status indicator (Green: OK, Red: Replace) and optional remote control contact, it adopts UL94V-0 flame retardant housing and IP20 protection degree. With wide working conditions of -40°C~+80°C temperature, 30%~90% humidity and altitude up to 3000m, it is an ideal overvoltage protection solution for industrial, medical and special IT low-voltage power distribution systems.

FATECH FV05D/3+NPE series includes FV05D/3+NPE-150(S), FV05D/3+NPE-275(S), FV05D/3+NPE-320(S), FV05D/3+NPE-385(S) and FV05D/3+NPE-440(S), which are Class II+III/C+D/Type2+3 combined surge protective devices.
This 3+NPE configuration SPD is specially designed for TT power distribution systems, adopting protection modes of L1,L2,L3-N and N-PE. It is applicable to nominal voltages of 110/220V and 220/380V, with maximum continuous operating voltage covering 150V to 440V. It delivers a maximum discharge current of 10kA and nominal discharge current of 5kA. The L-N voltage protection level ranges from ≤0.7kV to ≤2.0kV, while N-PE remains stably at ≤1.5kV. It features segmented response time of ≤25 ns for L-N and ≤100 ns for N-PE, ensuring fast and accurate clamping of transient surges.
With isolation resistance above 100 MΩ and a 16A recommended backup fuse, it supports 4mm²–25mm² multi-core wire connection and standard 35mm DIN rail mounting. Equipped with a mechanical status indicator (Green: OK, Red: Replace) and optional remote control contact, it adopts UL94V-0 flame retardant housing and IP20 protection degree. Capable of operating steadily within -40°C~+80°C, 30%~90% humidity and altitude up to 3000m, it is perfectly suited for three-phase four-wire surge and overvoltage protection in TT-system residential, commercial and industrial low-voltage distribution networks.

FATECH FV05D/4 series includes FV05D/4-150(S), FV05D/4-275(S), FV05D/4-320(S), FV05D/4-385(S) and FV05D/4-440(S), which are Class II+III/C+D/Type2+3 combined surge protective devices.
Designed for TT and TN power distribution systems, this 4-pole SPD adopts L1,L2,L3,N-PE full protection mode. It covers system nominal voltages of 110/220V and 220/380V, with maximum continuous operating voltage ranging from 150V to 440V. It features maximum discharge current 10kA, nominal discharge current 5kA and ultra-fast response time ≤25ns, with stepped voltage protection levels from ≤0.6kV up to ≤2.0kV to reliably suppress transient overvoltage.
With isolation resistance above 100 MΩ and 16A recommended backup fuse, it supports 4mm²–25mm² multi-core wire connection and standard 35mm DIN rail mounting. Equipped with mechanical status indicator (Green: OK, Red: Replace) and optional remote control contact, it applies UL94V-0 flame retardant housing and IP20 protection degree. Suitable for wide working conditions of -40°C~+80°C, 30%~90% humidity and altitude up to 3000m, it is widely used for comprehensive surge and overvoltage protection in three-phase four-wire residential, commercial and industrial low-voltage distribution systems.