Type 1 Spark Gap Surge Protection Device FLP25GR-275/4S

Main Features:

Location of Use: Main Distribution Boards

Network Systems: TN-S

Mode of Protection: L-PE, N-PE

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

Get Free Quote Now

Main Specification

Type 1 Spark Gap Surge Protection FLP25GR-275/4S: Rated 230V, Uc 275V, Iimp 25kA (10/350μs), In 25kA, Up ≤1500V. For TN-S systems, 3+1 protection, DIN rail mount, with remote signaling. Ideal for main distribution boards.

Model No.	FLP25GR-275/4S
	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-275/4S features a 4-pole (4P) circuit configuration, ideal for 4+0 TN-S systems, utilizing high-performance Spark Gap technology to provide robust phase-to-PE and N-to-PE protection.

Dimensions

The Type 1 Spark Gap Surge Protection Device FLP25GR-275/4S features a compact, 4-module design (approx. 144mm wide), optimizing panel space. It is engineered for secure and simple mounting on a standard 35mm DIN rail.

Installation Instructions

The Type 1 Spark Gap Surge Protection device should be installed in the main distribution board, close to the main power entrance. Please follow national electrical standards for installation, ensuring that the conductor cross-section meets requirements and that the leads are as short as possible for optimal protection.

Wiring Diagram & Installation

The Type 1 Spark Gap Surge Protection Device (FLP25GR-275/4S) supports TN-S (4+0) wiring. Features 35mm DIN rail mounting. Minimize PE conductor length (<50cm) for optimal protection.

Remote Signaling Terminal

The Spark Gap Surge Protection Device (FLP25GR-275/4S, S-version) includes a remote signaling terminal for potential-free status indication. This enables reliable remote monitoring and simplifies proactive maintenance.

Documentation

Documentation for Type 1 Spark Gap Surge Protection FLP25GR-275/4S includes detailed installation instructions, IEC/EN 61643-11 compliance certificates, and technical datasheets. All documents are available for download.

Datasheet

Installation Instructions

Wiring Diagram