FVC20C/3+NPE-XXX type2 3phase Imax40kA ac surge protector

FVC20C/3+NPE-XXX

FATECH FVC20C/3+NPE-XXX series are Class II/C/Type2 three-phase + NPE AC surge protective devices specially designed for TT power systems, providing full protection for L1/L2/L3-N and N-PE circuits. With Imax 40kA, In 20kA and graded response speeds (L-N:≤25ns, N-PE:≤100ns), they deliver reliable overvoltage protection.It adopts separate wiring specifications for L-N and PE terminals, supports DIN-rail mounting, equipped with mechanical disconnection indicator (Red: Replace) and optional remote control contact, suitable for industrial and commercial three-phase low-voltage power distribution systems.

-Narrow size surge protective device special design for saving installation space— width 9mm/pole.

-High discharge current— Imax 40kA per pole.

-Indication window for clear display of SPD status— each pole with one indication window.

-Remote controlling function -for your option.

-Pluggable module— convenient for maintenance.

-Protection mode — L1,L2,L3-N, N-PE.

-3 phase,4 poles.

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Advantage

Stable & Reliable Surge Protection

Adopts high-quality core components and precise circuit design, providing stable and consistent performance to effectively suppress lightning surges and transient overvoltage, ensuring long-term safe operation of equipment.

Wide Application Compatibility

Covers AC, DC, photovoltaic, PoE network, and signal surge protection solutions, widely used in solar systems, LED lighting, industrial control, security monitoring, buildings and infrastructure.

Durable Structure & Easy Installation

Features rugged housing (including aluminum enclosure for outdoor models), DIN‑rail mounting, pluggable design and compact size for easy installation, wiring and maintenance in various working environments.

Certified Quality & Cost-Effective

Most core products have passed TUV, CE and international safety certifications, with strict quality control. Stable performance and reasonable pricing bring high cost-performance for global projects.

FVC20C/3+NPE-150

UN : 110/220V

Uc : 150V

In : 20kA

Imax : 40kA

Up ≤ 0.7kV

FVC20C/3+NPE-275

UN : 220/380V

Uc : 275V

In : 20kA

Imax : 40kA

Up ≤ 1.2kV

FVC20C/3+NPE-320

UN : 220/380V

Uc : 320V

In : 20kA

Imax : 40kA

Up ≤ 1.5kV

FVC20C/3+NPE-385

UN : 220/380V

Uc : 385V

In : 20kA

Imax : 40kA

Up ≤ 1.8kV

FVC20C/3+NPE-440

UN : 220/380V

Uc : 440V

In : 20kA

Imax : 40kA

Up ≤ 2.0kV

Coding system of surge suppressor FVC20C/3+NPE-XXX

Dimension and circuit drawing of surge suppressor FVC20C/3+NPE-XXX

Installation of surge suppressor FVC20C/3+NPE-XXX

Electrical parameters

Model. No.		FVC20C/3+NPE-150(S)	FVC20C/3+NPE-275(S)	FVC20C/3+NPE-320(S)	FVC20C/3+NPE-385(S)	FVC20C/3+NPE-440(S)
Test class IEC/EN/VDE		Class II/C/Type2
Type of Network		TT
Protection mode		L1,L2,L3-N,N-PE
Nominal Voltage 50(60)Hz UN		110/220V	220/380V	220/380V	220/380V	220/380V
Rated Voltafe (Max. Cont.Operating voltage) UC		150V	275V	320V	385V	440V
Max. discharge current (8/20μs) Imax		40kA
Nominal discharge current (8/20μs) In		20kA
Voltage protection level Up	L-N	≤0.7kV	≤1.2kV	≤1.5kV	≤1.8kV	≤2.0kV
	N-PE	≤1.5kV	≤1.5kV	≤1.5kV	≤1.5kV	≤1.5kV
Response time tA		L-N:≤25ns,N-PE:≤100ns
Recommended back-up fuse		125A
Isolation resistance		＞100 MΩ
I/O Connections	L-N	Multi core wire:1.5mm2-10mm2
	PE	Multi core wire:2.5mm2-25mm2
Mounting		35mm Symmetrical rail (EN50022/DIN46277-3)
Operation temperature range/humidity/altitude		-40°C ~+80°C/30%-90%/3000m
Degree of protection		IP20
Housing material		UL94V-0
Disconnection indicator		Mechanical indicator (Red: Replace)
Remote control contact		Optional

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