Item No.: LY1-D20/1(S)+1

LY1-D20/1(S)+1PLUGGABLE SINGLE-POLE SPD

Description：

Class ll ·Class lll ·Type 2 ·Type 3
Location of Use: Sub-Distribution Boards
Mode of Protection: L-N, N-PE
Surge Ratings: In = 10 kA (8/20 μs)
IEC/EN/UL Category: Class ll+ll /Type 2+3
Protective Elements: High Energy MOV and GDT
Housing: Pluggable Design
Compliance: lEC 61643-11:2011
EN 61643-11:2012

Our 20kA 1P+N GDT AC surge protective device combines GDT + MOV ZnO technology, offering coordinated discharge performance for single-phase + neutral systems.
It ensures fast response to lightning surges and minimal residual voltage.
The housing uses PVC/PA66/PBT materials for safety, insulation, and durability.
Complies with IEC 61643-11:2011 / EN 61643-11:2022, certified by CE & TUV.
As a manufacturer, supplier, and OEM/ODM factory, we offer wholesale, bulk buy, and in bulk options for worldwide distributors.

Applicable scenarios / Application industries

Perfect for residential control panels, solar systems, and combiner boxes, installed via 35mm DIN rail.

■ Technical Data
IEC Electrical			75	150	275	320	385	440
Nominal AC Voltage (50/60Hz)		Uo/ Un	60 V	120 V	230 V	230 V	230 V	400V
Maximum Continuous Operating Voltage (AC)	(L-N)	Uc	75V	150 V	275 V	320 V	385V	440V
Maximum Continuous Operating Voltage (AC)	(N-PE)	Uc	255 V
Nominal Discharge Current (8/20 μs)	(L-N) / (N-PE)	In	10kV / 10kA
Maximum Discharge Current (8/20 μs)	(L-N) / (N-PE)	Imax	20 kA / 20 kA
Voltage Protection Level	(L-N) / (N-PE)	Up	0.2kV/1.5kV	0.6kV/1.5kV	1.3kV/1.5kV	1.5kV/1.5kV	1.5kV/1.5kV	1.8kV/1.5kV
	(N-PE)	Ifi	100 ARMS
Response Time	(L-N) / (N-PE)	tA	< 25 ns / < 100 ns
Back-Up Fuse (max)			125 A gL/gG
Short-Circuit Current Rating (AC)	(L-N)	ISCCR	10 kA
TOV Withstand 5s	(L-N)	UT	90 V	180 V	335 V	335 V	335 V	580V
TOV 120min	(L-N)	UT	115 V	230 V	440 V	440 V	440 V	765V
		mode	Withstand	Withstand	Safe Fail	Safe Fail	Safe Fail	Safe Fail
TOV Withstand 200ms	(N-PE)	UT	1200 V
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)