AC Type 1 Surge Protective Device FLP25-275/4S

Main Features:

Location of Use: Main Distribution Boards

Network Systems: TN-S

Mode of Protection: L-PE, N-PE

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

IEC/EN Category: Class I / Type 1

Protective Elements: High Energy MOV

Housing: Monobloc design

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

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Main Specification

Model No.	FLP25-275/4S
	SPD according to IEC/EN 61643-11	Type 1 / Class I / Class B
	Nominal voltage U_n	230V
	Max. continuous operating voltage U_c	275V
	Impulse discharge current (10/350 μs) I_imp	25kA
	Nominal discharge current (8/20 μs) I_n	25kA
	Maximum discharge current (8/20 μs) I_max	100kA
	Voltage protection level U_p	≤ 1.5kV
	Max. backup fuse	315 A gG
	Type of remote signalling contact	yes / changeover contact

Basic Circuit Diagram

Dimensions

Installation Instructions

AC Type 1 surge protection device (SPD) is characterized by a 10/350 µs lightning current waveform.

DIN-Rail AC Type 1 surge protection devcie SPD installed at the load center’s main circuit breaker, e.g. main distribution board.

Wiring Diagram & Installation

The AC Type 1 Surge Protective Device (SPD) is designed to handle a 10/350 µs lightning current waveform, protecting electrical systems from direct lightning strikes and high-energy surges.

It is typically installed at the main circuit breaker of the load center, such as the main distribution board, to provide primary surge protection and safeguard sensitive equipment.

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Certificate

Our Surge Protective Devices (SPDs) are TUV, CB, and CE certified and tested according to IEC/EN 61643-11 standards, ensuring reliable protection against electrical surges with high safety and performance.