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Type2 Single Phase Surge Protection Device, 20kA Nominal Discharge 2P Indoor Secondary AC Lightning Arrester

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Shenzhen LLH Electrical Co., Ltd.

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Type2 Single Phase Surge Protection Device, 20kA Nominal Discharge 2P Indoor Secondary AC Lightning Arrester

Model Number : LPM 20-275/2

Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram

Nominal Discharge Current In : 20kA (8/20μs)

Mounting Standard : 35mm Universal DIN Rail

Price : $18/pcs

Max Discharge Current Imax : 40kA (8/20μs)

Supply Ability : 6000 pieces/month

Compliance Standard : IEC 61643-11 Type 2 Class II

Protection Topology : 2P Single Phase L-N & N-E Dual Circuit

MOQ : 1 piece

Delivery Time : 5-8 work days

Housing Flame Rating : Mineral Nylon PA6 UL94 V0

Place of Origin : China

Packaging Details : 1 piece/box

Certification : CE,TUV

Brand Name : LLH

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About this item

This Class II surge protection device complies with IEC 61643-11, designed for 220Vac single-phase AC power systems in LPZ0B and subsequent secondary lightning protection zones, with independent L-N and N-E dual protection circuits. It features 20kA nominal discharge current and 40kA maximum discharge current under 8/20μs waveform, with multiple Uc ratings from 275Vac to 440Vac to fit grid voltage fluctuations worldwide. ≤25ns fast response clamps transient overvoltage with minimum residual voltage ≤1.25kV. Vibration-resistant pluggable modules integrate ultra-low temperature thermal release, paired with green-red degradation indicator and NO/NC passive remote signalling contacts. PA6 V0 flame retardant housing ensures stable indoor operation from -40℃ to +70℃. Widely applied in residential, retail and small factory single-phase sub-distribution boards to suppress induced surges and switching transients for low-voltage loads.

Product features

1.Module pluggable and anti vibration design

2.Built-in ultra-low temperature release mechanism

3.Application scenarios:Suitable for installation in LPZ 0B-1 and subsequent lightning protection zones, used as a lightning arrester for single-phase power supply systems.

Product Certificate
Type2 Single Phase Surge Protection Device, 20kA Nominal Discharge 2P Indoor Secondary AC Lightning Arrester

Products Description

Type2 Single Phase Surge Protection Device, 20kA Nominal Discharge 2P Indoor Secondary AC Lightning Arrester

Standards	IEC 61643-11
SPD type	T2
Models	LPM 20-275/2 LPM 20-275/2 LPM 20-385/2 LPM 20-440/2
Nominal operating voltage Un	220Vac(50Hz)
Maximum continuous operating voltage Uc	275Vac/320Vac/385Vac/440Vac(50Hz)
Nominal discharge current (8/20μs)In	20kA
Maximum discharge current (8/20μs) Imax	40kA
Voltage protection level In@Up	LPM 20-275/2:≤1.25kV LPM 20-275/2:≤1.5kV LPM 20-385/2:≤1.8kV LPM 20-440/2:≤2.0kV
Response time tA	≤25ns
Protection Circuit	L,N-E

Mechanical parameters

Installation method	DIN Rail 35mm
Screw torque	5N*m
Strip length	12mm
Wiring cross-sectional area	2.5mm²-32mm²
Product size	90mmx36mmx68mm
Shell material and flame retardant grade	Mineral nylon PA6, V0
Deterioration indication	Window green: OK; Window red: Fail
Remote signaling contact type	Normally closed and normally open switching contacts
Remote signaling contact switching ability	125Vac/1A,125Vdc/0.2A
Maximum connection capacity of remote signaling	2.5mm²
Installation position	Indoor
Degrees of protection provided by enclosure	IP20
Temperature range	-40℃…+70℃
Humidity range	Relative humidity ≤ 95% (max 40 ℃)
Certification	TUV,CE

Application Scenario


Photovoltaic Power Generation	Wind Power Generation	Wind Power Generation

Data Room	Charging Station	City Highway

FAQ

Q1: Where should Type2 SPD be installed in power distribution systems?

A: It fits secondary LPS zones starting from LPZ0B, installed in household consumer units and workshop single-phase sub-panels.

Q: How to select suitable Uc voltage grade?
A: 275Vac for standard 220V mains; 320/385/440Vac for grids with wide voltage fluctuation or overseas single-phase power supply.

Q: Does remote signalling require external auxiliary power?
A: Passive dry contacts transmit fault signals without additional power supply input.

Q: Do you accept OEM and ODM orders?
A: Yes, we welcome OEM and ODM cooperation to provide customized solutions.

Q: How do you ensure product quality and after-sales service?
A: We prioritize product quality and customer satisfaction, offering excellent after-sales service and ensuring our products meetthe highest standards.

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