SPD for AC Power Supply – Page 3

FATECH FV10D/3+NPE-XXX series are Class II+III/C+D/Type2+3 three-phase + NPE combined surge protective devices specially designed for TT power systems, providing comprehensive surge protection for L1/L2/L3-N and N-PE circuits.With Imax 20kA, In 10kA, open circuit voltage Uoc 20kA and graded response speeds (L-N:≤25ns, N-PE:≤100ns), they deliver stable and reliable overvoltage protection.Featuring mechanical status indication (Green: OK, Red: Replace), DIN-rail mounting and optional remote control contact, they are suitable for industrial and commercial three-phase terminal low-voltage power distribution systems.

FATECH FV10D/4-275S is a 4-pole, DIN‑rail mountable Type 2 AC surge protector (SPD) with pluggable MOV modules. Designed for low‑voltage three‑phase power distribution systems, it delivers In=10kA, Imax=20kA (8/20μs) lightning and switching surge protection, with remote signaling and visual fault indication for reliable equipment safeguarding.

FATECH FV10D/4-XXX series are Class II+III/C+D/Type2+3 four-pole combined surge protective devices suitable for TT and TN power systems, providing full surge protection for L1/L2/L3/N‑PE circuits.With Imax 20kA, In 10kA, open circuit voltage Uoc 20kA and fast response time ≤25ns, they offer stable and reliable overvoltage protection.Featuring mechanical status indication (Green: OK, Red: Replace), DIN-rail mounting and optional remote control contact, they are ideal for industrial and commercial three-phase terminal low-voltage power distribution systems.

FATECH FV12.5B+C/1-275EN(S) is a combined Class I+II / B+C / Type1+2 surge protective device, suitable for TT, TN and IT power distribution systems.
It features a maximum continuous operating voltage of 275V, matching nominal system voltages of 220V/380V. With an impulse current (10/350μs) Iimp of 12.5kA, maximum discharge current (8/20μs) Imax up to 65kA and nominal discharge current (8/20μs) In of 20kA, this unit delivers excellent protection against both direct lightning and induced surges. The voltage protection level is ≤1.5kV with a fast response time of ≤25ns, effectively limiting transient overvoltage.
Designed with L/N-PE protection mode, it has an isolation resistance higher than 100 MΩ and is recommended to work with a 160A backup fuse. It supports connection of multi-core wires ranging from 6mm² to 25mm², and adopts standard 35mm DIN rail mounting complying with EN 60715 for easy installation.
Equipped with a mechanical disconnection indicator (Green for normal operation, Red for replacement reminder) and optional remote control contact, the SPD adopts UL94V-0 flame retardant housing and IP20 protection degree. It operates reliably under ambient conditions of -40°C ~ +80°C, 30%~90% relative humidity and altitude up to 2000m. This robust device is an ideal solution for comprehensive lightning and overvoltage protection in industrial, commercial and civil low-voltage power distribution systems.

FV12.5B+C/1+NPE-275EN(S) is a Class I+II (Type1+2) combined surge protective device specially designed for TT power systems. It features differentiated continuous operating voltages of 275V for L-N and 255V for N-PE, with segmented impulse current capacity of 12.5kA (10/350μs) for L-N and 50kA for N-PE. Equipped with 65kA maximum discharge current and 20kA nominal discharge current, it offers a uniform voltage protection level ≤1.5kV, with response time ≤25ns for L-N and ≤100ns for N-PE to defend against direct and induced lightning surges. This SPD adopts a hybrid structure with pluggable L-N module and unpluggable N-PE module, fitted with a mechanical status indicator and optional remote contact. Featuring standard DIN rail mounting, IP20 protection and UL94V-0 flame retardant housing, it provides reliable and professional overvoltage protection for TT low-voltage distribution systems.

FV12.5B+C/2-275EN(S) is a Class I+II (Type1+2) combined SPD designed for TT and TN power systems. With 275V continuous operating voltage, it delivers 12.5kA (10/350μs) impulse current, 20kA nominal and 65kA maximum discharge current. Adopting L-PE and N-PE protection mode, it provides low voltage protection level ≤1.5kV and ultra-fast response ≤25ns against direct and induced lightning surges. Equipped with mechanical status indication and optional remote contact, this DIN-rail mountable SPD ensures stable and durable overvoltage protection for low-voltage distribution systems.