G1V-80/385/B+C FM Three-Phase AC Power Surge Protection Device, Class II, 80 kA Imax

Description

The G1V-80/385/B+C FM is a Class II surge protection device (SPD) designed for lightning overvoltage protection of three-phase AC power systems. It combines L-N and N-PE protection paths in a hot-swappable plug-in module with local trip status indication and a remote signalling contact.

Product Overview

The G1V-80/385/B+C FM is a three-phase AC power surge protection device classified as Class II. It is rated for a nominal operating voltage Un of 230V/400V~, with a maximum continuous operating voltage Uc of 385V~ for the L-N path and 255V~ for the N-PE path. The device provides a nominal discharge current In of 40 kA and a maximum discharge current Imax of 80 kA.

The SPD is installed using a hot-swappable plug-in configuration. A trip status indicator shows normal operation in green and a tripped/failed state in red. An NC-COM remote signalling contact changes from closed to open when the SPD fails, allowing status to be monitored remotely.

Key Features

• Class II surge protection for three-phase AC power systems
• L-N maximum continuous operating voltage Uc: 385V~
• N-PE maximum continuous operating voltage Uc: 255V~
• Nominal discharge current In: 40 kA
• Maximum discharge current Imax: 80 kA
• L-N voltage protection level Up (In @ 8/20 µs): ≤1.8 kV
• N-PE voltage protection level Up (In @ 8/20 µs): ≤1.6 kV
• L-N response time tA: 25 ns
• N-PE response time tA: 100 ns
• Local trip status indication: green for normal, red for tripped/failed
• Hot-swappable plug-in installation
• NC-COM remote signalling contact
• Housing material flame retardancy rating: UL94-V0
• Housing protection rating: IP20

Technical Specifications

Parameter	Value
Model	G1V-80/385/B+C FM
SPD classification	II
Varistor model	G1V-80/385/B+C FM
Discharge tube model	G1V-80/255/B+C FM
Nominal operating voltage Un	230V/400V~
L-N maximum continuous operating voltage Uc	385V~
N-PE maximum continuous operating voltage Uc	255V~
Nominal discharge current In	40kA
Maximum discharge current Imax	80kA
L-N voltage protection level Up (In @ 8/20µs)	≤1.8kV
N-PE voltage protection level Up (In @ 8/20µs)	≤1.6kV
L-N response time tA	25ns
N-PE response time tA	100ns
L-N, N-PE trip status indication	Green for normal, red for tripped/failed
Installation method	Hot-swappable
Insertion/extraction force (N)	160N
Circuit breaker insertion/extraction cycles	200
Insertion depth (mm)	Main busbar: 17–19; remote signalling: 11–12
Housing material flame retardancy rating	UL94-V0
Remote signalling contact type	NC-COM, normally closed
Remote signalling contact AC performance	250V/0.5A
Remote signalling contact DC performance	125V/0.2A
Housing protection rating	IP20
Temperature (humidity) range	-40℃ to +80℃, relative humidity ≤95%
Altitude	≤3000m
Main body dimensions	128mm×76mm×40mm

Applications

The G1V-80/385/B+C FM is intended for lightning overvoltage protection of three-phase AC power systems. It is suitable for installation in low-voltage power distribution environments where Class II surge protection is required for L-N and N-PE paths.

Installation and Use

The SPD is installed using a hot-swappable plug-in method. The insertion/extraction force is 160 N, and the circuit breaker is rated for 200 insertion/extraction cycles. Insertion depth is 17–19 mm for the main busbar and 11–12 mm for the remote signalling connection.

During normal operation, the trip status indicator is green and the NC-COM alarm contact is closed (conductive). When the SPD fails, the indicator turns red and the NC-COM contact opens. The remote signalling contact is rated for 250V/0.5A AC and 125V/0.2A DC.

The housing protection rating is IP20. The operating temperature range is -40℃ to +80℃ with relative humidity ≤95%. The maximum operating altitude is 3000 m.

Frequently Asked Questions

What does the trip status indicator show?

The indicator is green during normal operation and red when the SPD has tripped or failed.

How does the remote signalling contact behave?

The NC-COM contact is normally closed (conductive) during normal operation and opens when the SPD fails.

What is the maximum discharge current of the G1V-80/385/B+C FM?

The maximum discharge current Imax is 80 kA, with a nominal discharge current In of 40 kA.