ClassⅠ+Ⅱ/T1+2/B+C,Iimp 12.5kA ,Imax 65kA

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.

FV12.5B+C/3-275EN(S) is a Class I+II (Type1+2) combined surge protective device exclusively designed for IT power systems. With a 275V maximum continuous operating voltage, it features 12.5kA (10/350μs) impulse current, 20kA nominal discharge current and 65kA maximum discharge current. Adopting L1, L2, L3-PE protection mode, it delivers a low voltage protection level ≤1.5kV and ultra-fast response time ≤25ns, providing effective protection against direct and induced lightning surges. Equipped with a mechanical status indicator and optional remote contact, this standard DIN rail mounted SPD features IP20 protection and UL94V-0 flame retardant housing, ensuring stable and reliable overvoltage protection for professional IT low-voltage power distribution systems.

FV12.5B+C/3+NPE-275EN(S) is a Class I+II (Type1+2) combined SPD designed for TT power systems. It adopts L1,L2,L3-N and N-PE protection modes, with 275V Uc for L-N and 255V for N-PE. The impulse current reaches 12.5kA for L-N and 50kA for N-PE, while maximum discharge current is 65kA and nominal discharge current is 20kA. It features protection level ≤1.5kV for both circuits, with response time ≤25ns for L-N and ≤100ns for N-PE. The L-N module is pluggable and N-PE module is fixed. Equipped with mechanical status indicator and optional remote contact, this DIN rail mounted SPD with IP20 degree and UL94V-0 housing delivers stable surge protection for low-voltage distribution systems.

FV12.5B+C/4-275EN(S) is a Class I+II (Type1+2) combined SPD for TT and TN power systems. It has 275V continuous operating voltage, with 12.5kA (10/350μs) impulse current, 20kA nominal and 65kA maximum discharge current. Featuring L1,L2,L3,N-PE protection mode, it achieves voltage protection level ≤1.5kV and response time ≤25ns against lightning surges. Fitted with mechanical indicator and optional remote contact, this DIN rail mounted SPD with IP20 rating and UL94V-0 housing offers reliable protection for low-voltage distribution systems.