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

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

Main Features:

Location of Use: Main Distribution Boards

Network Systems: TT, TN-S

Mode of Protection: L-N, N-PE

Surge Ratings: I_imp = 25 kA / 50 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

Type 1 Spark Gap Surge Protection FLP25GR-275/1S+1 features 230V nominal voltage, 275V max continuous voltage, 25kA impulse discharge current, ≤1.5kV protection level, and remote signaling contacts.

Model No.	FLP25GR-275/1S+1
	Nominal AC Voltage (50/60 Hz) U_o / U_n	230V
	Maximum Continuous Operating Voltage (L-N) U_C / (N-PE) U_C	275V
	Nominal Discharge Current (8/20 μs) (L-N) / (N-PE) I_n	25 kA / 50 KA
	Maximum Discharge Current (8/20 μs) (L-N) / (N-PE) I_max	100 kA
	Impulse Discharge Current (10/350 μs) (L-N) / (N-PE) I_imp	25 kA / 50 kA
	Specific Energy (L-N) / (N-PE) W/R	156 kJ/Ω / 625 kJ/Ω
	Charge (L-N) / (N-PE) Q	12.5 As / 25 As
	Voltage Protection Level (L-N) / (N-PE) U_p	1.5 kV / 1.5 kV
	Follow Current Interrupt Rating (N-PE) I_fi	100 A_RMS
	Response Time (L-N) / (N-PE) t_A	< 25 ns / < 100 ns
	Max. Backup Fuse	315 A gL / gG
	Short-Circuit Current Rating (AC) I_SCCR	50 kA
TOV Withstand 5 s (L-N) U_T	335 V
TOV 120 min (L-N) U_T	440 V
TOV Withstand 200 ms (N-PE) U_T	1200 V
Number of Ports	1

Basic Circuit Diagram

The Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S+1 utilizes a 1+1 circuit configuration for TT/TN-S systems, providing coordinated L-N and N-PE protection with robust spark gap technology.

Dimensions

The Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S+1 has compact dimensions of 36mm width, 90mm height, and 70mm depth, perfect for DIN rail mounting in industrial panels.

Installation Instructions

Install the Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S+1 on a DIN rail near the main panel. Ensure correct L/N/PE wiring, tighten terminals properly, and connect remote contacts for monitoring.

Wiring Diagram & Installation

Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S+1: Clear wiring diagram, easy DIN rail installation for reliable lightning/surge protection.

Remote Signaling Terminal

The Spark Gap Surge Protection Device features a remote signaling terminal for real-time status monitoring (Green OK/Red Defect), enabling quick fault alerts.

Documentation

Type 1 Spark Gap Surge Protection Device FLP25GR-275/1S+1 complies with IEC/EN 61643-11 standards, includes installation manual, wiring diagram, certification, and remote signaling specifications.

Datasheet

Installation Instructions

Wiring Diagram