LY1-C40M/3(S)+1PLUGGABLE MULTI-POLE SPD

Description：

Classl·Classll·Type 1.Type 2
Location of Use: Sub-Distribution Boards
Mode of Protection: L-N, N-PE
Surge Ratings: In = 20 kA (8/20 μs)
IEC/EN/UL Category: Class l+ll /Type 1+2
Protective Elements: High Energy MOV and GDT
Housing: Pluggable Design
Compliance: lEC 61643-11:2011
EN 61643-11:2012

The mini size 40kA 3P+N GDT AC SPD provides complete surge protection for three-phase AC systems while maintaining a compact footprint. As a global manufacturer, supplier, and OEM/ODM factory, we support wholesale and bulk buy / in bulk distribution for clients in the electrical protection industry. This model features a Ne gas-filled GDT that delivers exceptional lightning surge discharge capability with minimal leakage current, making it ideal for sensitive or high-value electrical systems.

Built with PVC/PA66/PBT industrial housing, the device is designed for durability, flame retardancy, and long-term stability. Its 3P+N structure provides coordinated protection for L1, L2, L3, and N, widely used in commercial power systems, industrial automation equipment, building power supplies, and energy storage AC distribution cabinets. Despite its mini size, it achieves a 40kA surge rating, offering a balance between space efficiency and high-level surge protection performance.

Fully compliant with IEC 61643-11:2011 / EN 61643-11:2022 and certified by CE & TUV, the product ensures safety and reliability for global markets. We offer complete OEM services, including custom technical parameters, external housing, branding, and packaging. This mini size 3P+N GDT SPD is ideal for distributors and system integrators looking for high-performance surge protection devices that save panel space without compromising safety or quality.

■ 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
Nominal Discharge Current (8/20 μs)	(L-N) / (N-PE)	In	20 kA / 20 kA
Maximum Discharge Current (8/20 μs)	(L-N) / (N-PE)	Imax	40 kA / 40 kA
Impulse Discharge Current (10/350 μs)	(L-N) / (N-PE)	Iimp	7 kA / 25 kA
Voltage Protection Level	(L-N) / (N-PE)	Up	0.4 kV / 1.5 kV	1.0 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)			63 A gL/ gG
Short-Circuit Current Rating (AC)	(L-N)	ISCCR	25 kA
TOV Withstand 5s	(L-N)	UT	90 V	180 V	335 V	335 V
TOV 120min	(L-N)	UT	115 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)

■ Internal Configuration

■ Dimensions & Packaging

■ Connection Diagram

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LY1-C40M/3(S)+1PLUGGABLE MULTI-POLE SPD