Item No.: LY1-C40/1(S)+1

LY1-C40/1(S)+1PLUGGABLE SINGLE-POLE SPD

Description：

Class ll ·Type 2 ·Type 1CA
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 ll /Type 2/Type 1CA
Protective Elements: High Energy MOV
Housing: Pluggable Design
Compliance: lEC 61643-11:2011
EN 61643-11:2012

This 40kA 1P+N GDT AC surge protective device combines GDT (Gas Discharge Tube) and MOV ZnO technology, providing coordinated surge protection with fast response and low residual voltage.
It’s designed for single-phase + neutral systems, ensuring both line and neutral protection.
The housing uses PVC/PA66/PBT, ensuring strength, insulation, and heat resistance.
Complies with IEC 61643-11:2011 / EN 61643-11:2022, and holds CE & TUV certificates.
We are a professional OEM/ODM manufacturer and factory, providing wholesale, bulk buy, and in bulk solutions for distributors worldwide.

Applicable scenarios / Application industries

Easily installed via 35mm DIN rail, ideal for solar systems, residential control boxes, and AC surge panels.

■ 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	20kV / 20kA
Maximum Discharge Current (8/20 μs)	(L-N) / (N-PE)	Imax	40 kA / 40 kA
Voltage Protection Level	(L-N) / (N-PE)	Up	0.4kV/1.5kV	1.0kV/1.5kV	1.5kV/1.5kV	1.6kV/1.5kV	1.8kV/1.5kV	2.0kV/1.5kV
	(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	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)

■ Internal Configuration

■ Dimensions & Packaging

■ Connection Diagram

FAQ for LY1-C40/1(S)+1PLUGGABLE SINGLE-POLE SPD

1. What type of surge protection does the LY1-C40/1(S)+1 provide?

The LY1-C40/1(S)+1 is a Type 2 pluggable surge protective device designed to protect single-phase AC power systems from transient overvoltages. It uses high-performance MOV components to deliver stable protection for distribution boards and terminal equipment.

2. Is the module replaceable?

Yes. The LY1-C40/1(S)+1 features a pluggable module design, allowing fast replacement during maintenance without rewiring or shutting down the entire system.

3. What installation environments are suitable for this SPD?

It is ideal for residential distribution boxes, commercial building panels, industrial control cabinets, and other AC low-voltage installations that require reliable Type 2 surge suppression.

4. Does this model comply with IEC standards?

Yes. The LY1-C40/1(S)+1 is manufactured according to IEC 61643-11:2011 / EN 61643-11:2022, and carries CE and TUV certifications.

5. What visual indicators does the device include?

Each module includes a clear status window to show whether the SPD is operating normally or requires replacement.

6. Do you support OEM and ODM production for this model?

Yes. We are a specialized SPD manufacturing factory offering full OEM/ODM customization, including housing color, branding, packaging, and technical parameters.