Type 1+2+3 Surge Protection FLP12,5VG-275/3S+1

Name: Type 1+2+3 Surge Protection FLP12,5VG-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 = 12.5 kA / 50 kA (10/350 μs), I_n = 20 kA (8/20 μs), U_oc = 6 kV (1.2/50 μs)

IEC/EN Category: Class l+II+III / Type 1+2+3

Protective Elements: High Energy MOV and GDT

Housing: Pluggable Design

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

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Main Specification

FLP12,5VG-275/3S+1 Surge Protection: 275V Uc, 20kA In, 12.5kA Iimp, 1.5kV Up. 3+1 circuit, pluggable with remote signal for main distribution boards.

Model No.	FLP12,5VG-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	20 kA / 50 kA
	Maximum Discharge Current (8/20 μs) (L-N) / (N-PE) I_max	50 kA / 100 kA
	Impulse Discharge Current (10/350 μs) (L-N) / (N-PE) I_imp	12.5 kA / 50 kA
	Open Circuit Voltage (1.2/50 μs) U_oc	6 kV
	Total Discharge Current (8/20 μs) I_total	100 kA
	Total Discharge Current (10/350 μs) I_total	50 kA
	Specific Energy (L-N) / (N-PE) W/R	40 kJ/Ω / 625 kJ/Ω
	Charge (L-N) / (N-PE) Q	6.25 As / 25 As
	Voltage Protection Level (L-N) / (N-PE) U_p	1.5 kV / 1.5 kV
	Follow Current I_f	none
Residual Current at U_c I_PE	none
Response Time (L-N) / (N-PE) t_A	< 25 ns / < 100 ns
Max. Backup Fuse	160 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

Basic circuit: 3+1 Surge Protection (L1,L2,L3-N & N-PE). Provides coordinated L-N and N-PE protection in standard TN-S/TT systems with remote contacts.

Dimensions

This 3+1 Surge Protection unit features 72mm width, 89.6mm depth, and 99.6mm height. Compact DIN-rail design ensures easy panel integration.

Installation Instructions

Install this Surge Protection on 35mm DIN rail. Keep total wiring length (a+b+c) under 50cm. Use 160A max gG/gL backup fuse for safe three-phase system operation.

Wiring Diagram & Installation

Remote Signaling Terminal

Documentation

Complete Surge Protection documentation includes IEC 61643-11 certificates, detailed installation manual, wiring diagrams and technical datasheet for project compliance.

Datasheet

Installation Instructions