Shop for AC surge protective device LY1-12.5/3(S)+1 PLUGGABLE MULTI-POLE SPD

AC surge protective device LY1-12.5/3(S)+1 PLUGGABLE MULTI-POLE SPD,

As a specialized 50kA 3P+N GDT AC surge protective device supplier, we manufacture advanced SPDs for industrial three-phase systems. Our factory supports OEM, wholesale, and bulk buy distribution worldwide.

With graphite (C) materials, IP65-rated casing, and DIN-rail installation, it offers durability and easy maintenance.

All models are CE approved with a 2-year warranty, available for OEM customization and in bulk supply. We are your trusted factory partner for industrial-grade lightning and surge protection.

■ Technical Data
IEC Electrical			75	150	275	320
Nominal AC Voltage (50/60Hz)		Uo/ Un	60 V	120 V	230 V	230 V
Maximum Continuous Operating Voltage (AC)	(L-N)	Uc	75V	150 V	275 V	320 V
Maximum Continuous Operating Voltage (AC)	(N-PE)	Uc	255 V	255 V	255 V	255 V
Nominal Discharge Current (8/20 μs)	(L-N) / (N-PE)	In	20 kA / 50 kA
Maximum Discharge Current (8/20 μs)	(L-N) / (N-PE)	Imax	50 kA /100 kA
Impulse Discharge Current (10/350 μs)	(L-N) / (N-PE)	Iimp	12.5 kA / 50 kA
Specific Energy	(L-N) / (N-PE)	W/R	39 kJ/Ω / 625 kJ/Ω
Charge	(L-N) / (N-PE)	Q	6.25 As / 25 As
Voltage Protection Level	(L-N) / (N-PE)	Up	0.7 kV / 1.5 kV 1 kV / 1.5 kV 1.5 kV / 1.5 kV 1.6 kV / 1.5 kV
	(N-PE)	Ifi	100 ARMS
Response Time	(L-N) / (N-PE)	tA	< 25 ns / < 100 ns
Back-Up Fuse (max)			315 A / 250 A gG
Short-Circuit Current Rating (AC)	(L-N)	ISCCR	25 kA / 50 kA
TOV Withstand 5s	(L-N)	UT	114 V	180 V	335 V	335 V
TOV 120min	(L-N)	UT	114 V	230 V	440 V	440 V
		mode	Withstand	Safe Fail	Safe Fail	Safe Fail
TOV Withstand 200ms	(N-PE)	UT	1200 V
UL Electrical
Maximum Continuous Operating Voltage (AC)	(L-N) / (N-PE)	MCOV	75 V / 255 V	150 V / 255 V	275 V / 255 V	320 V / 255 V
Voltage Protection Rating	(L-N) / (N-PE)	VPR	330 V / 1200 V	600 V / 1200 V	900 V / 1200 V	1200 V / 1200 V
Nominal Discharge Current (8/20 μs)	(L-N) / (N-PE)	In	20 kA / 20 kA	20 kA / 20 kA	20 kA / 20 kA	20 kA / 20 kA
Short-Circuit Current Rating (AC)	(L-N)	SCCR	100 kA	200 kA	150 kA	150 kA
Mechanical & Environmental
Operating Temperature Range	Ta		-40ºF to +158ºF [-40ºC to +70ºC]
Permissible Operating Humidity	RH		5%…95%
Atmospheric pressure and altitude			80k Pa … 106k Pa / -500 m…… 2000 m
Terminal Screw Torque	Mmax		39.9 Ibf·in[4.5 Nm]
Conductor Cross Section (max)			2 AWG (Solid, Stranded) / 4 AWG (Flexible) 35 mm² (Solid, Stranded) / 25 mm²(Flexible)
Mounting			35 mm DIN Rail, EN 60715
Degree of Protection			IP 20 (built-in)
Housing Material			Thermoplastic: Extinguishing Degree UL 94 V-0
Thermal Protection			Yes
Operating State / Fault Indication			Green ok / Red defect
Remote Contacts (RC) RC Switching Capacity RC Conductor Cross Section (max)			Optional AC: 250V / 0.5 A; DC: 250V / 0.1 A;125V / 0.2 A;75V / 0.5 A 16 AWG (Solid) / 1.5 mm²(Solid)