Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S

Name: Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S
Brand: LSP

Main Features:

Location of Use: Main Distribution Boards

Network Systems: TN-S, TN-C, TT(only L-N)

Mode of Protection: L-PE, N-PE (only TN-S), L-PEN, L-N

Surge Ratings: I_imp = 25 kA (10/350 μs), I_n = 25 kA (8/20 μs)

IEC/EN Category: Class l+II / Type 1+2

Protective Elements: Spark Gap

Housing: Monobloc Design

Compliance: IEC 61643-11:2011, EN 61643-11:2012

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Main Specification

The Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S offers 230V nominal voltage, 275V max continuous voltage, 25kA impulse current, ≤1.5kV protection level, 315A backup fuse, and remote signaling contacts.

Model No.	FLP25GR-275/1S
	Nominal AC Voltage (50/60 Hz) U_o / U_n	230V
	Maximum Continuous Operating Voltage (AC) U_C	275V
	Nominal Discharge Current (8/20 μs) I_n	25 kA
	Maximum Discharge Current (8/20 μs) I_max	100 kA
	Impulse Discharge Current (10/350 μs) I_imp	25 kA
	Specific Energy W/R	156 kJ/Ω
	Charge Q	12,5 As
	Voltage Protection Level U_p	1500 V
	Response Time t_A	< 25 ns
	Max. Backup Fuse	315 A gL / gG
	Short-Circuit Current Rating (AC) I_SCCR	50 kA
	TOV Withstand 5 s U_T	335 V
TOV 120 min U_T	440 V
Number of Ports	1

Basic Circuit Diagram

The Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S uses spark gap technology to divert surge currents safely from the line to ground. It features remote signaling contacts for status monitoring.

Dimensions

The Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S features a compact size of 36mm width, 90mm height, and 70mm depth, designed for easy DIN rail mounting in industrial electrical panels.

Installation Instructions

The Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S should be installed on a DIN rail near the main panel. Ensure proper L/N/PE wiring, tighten terminals securely, and connect remote signal contacts for status monitoring.

Wiring Diagram & Installation

Clear wiring guide for DIN rail mounting and remote contact connection. Ensure proper L/N/PE connections.

Remote Signaling Terminal

Monitors Spark Gap Surge Protection Device status. Green/Ok, Red/Defect. Enables remote fault alerts.

Documentation

The Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S complies with IEC/EN 61643-11 standards and provides installation manuals, wiring diagrams, certification, and remote signal specifications to ensure operational reliability.

Datasheet

Installation Instructions

Wiring Diagram