Type 1 Spark Gap Surge Protector FLP25GR-275/3S+1

Name: Type 1 Spark Gap Surge Protector FLP25GR-275/3S+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 / 100 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-275/4S: 230V, Uc 275V, Iimp 25kA (10/350µs), Up ≤1.5kV. For TN-S systems (4+0 mode). DIN rail mount, IEC 61643-11 certified. Includes remote signaling.

Model No.	FLP25GR-275/3S+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 / 100 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 / 100 kA
	Specific Energy (L-N) / (N-PE) W/R	156 kJ/Ω / 2500 kJ/Ω
	Charge (L-N) / (N-PE) Q	12.5 As / 50 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

Type 1 Spark Gap Surge Protector FLP25GR-275/3S+1 utilizes a 3+1 configuration (L1/L2/L3-N & N-PE) for TT/TN-S systems, providing enhanced protection with spark gap technology between neutral and earth.

Dimensions

The FLP25GR-275/3S+1 Type 1 Spark Gap Surge Protection device features a compact modular design with dimensions of 90mm(H) x 54mm(W) x 64mm(D). This allows for easy integration into standard distribution boards, ensuring effective space utilization while providing robust protection.

Installation Instructions

Install the Type 1 Spark Gap Surge Protector FLP25GR-275/3S+1 on a 35mm DIN rail. Keep total wiring length under 50cm. Use a max 315A backup fuse. Terminal torque: 4.5Nm. Professional installation required.

Wiring Diagram & Installation

This Type 1 Spark Gap Surge Protection Device (FLP25GR-275/3S+1) features a 3+1 structure for TT/TN-S systems. It mounts on a 35mm DIN rail. Maintain a total PE conductor length of less than 50cm for optimal protection.

Remote Signaling Terminal

The remote signaling terminal of the FLP25GR-275/3S+1 Spark Gap Surge Protection Device provides potential-free NO/NC contacts, enabling remote status indication (Green for OK, Red for defect) for efficient system monitoring.

Documentation

Documentation for Type 1 Spark Gap Surge Protection FLP25GR-275/3S+1 includes IEC/EN 61643-11 certificates, installation manual and technical datasheet covering its 3+1 circuit configuration. All available for download.

Datasheet

Installation Instructions

Wiring Diagram