Shenzhen LLH Electrical Co., Ltd.
| Supply Ability | 6000 pieces/month |
| Nominal Discharge Current (8/20μs) | 20kA |
| Residual Voltage Range | ≤1.25kV ~ ≤2.0kV by model |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Maximum Discharge Current (8/20μs) | 40kA |
| Compatible Cable Cross-sectio | 2.5mm² ~ 25mm² copper wire |
| Surge Response Time | ≤25ns |
| Delivery Time | 5-8 work days |
| Module Width | 36mm standard 2-pole DIN footprint |
| Packaging Details | 1 piece/box |
| Model Number | LPM 20-275/2 |
| Place of Origin | China |
| Certification | CE,TUV |
| Brand Name | LLH |
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Product Specification
| Supply Ability | 6000 pieces/month | Nominal Discharge Current (8/20μs) | 20kA |
| Residual Voltage Range | ≤1.25kV ~ ≤2.0kV by model | Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Maximum Discharge Current (8/20μs) | 40kA | Compatible Cable Cross-sectio | 2.5mm² ~ 25mm² copper wire |
| Surge Response Time | ≤25ns | Delivery Time | 5-8 work days |
| Module Width | 36mm standard 2-pole DIN footprint | Packaging Details | 1 piece/box |
| Model Number | LPM 20-275/2 | Place of Origin | China |
| Certification | CE,TUV | Brand Name | LLH |
| High Light | 20kA single phase surge arrester ，2P DIN rail surge protector ，TUV CE certified SPD | ||
2-pole single-phase secondary surge arrester with high surge capacity, rated 20kA nominal discharge and 40kA maximum discharge under 8/20μs waveform. It withstands frequent daily grid induced surges and short-term heavy overvoltage impacts. Dual independent L-N and N-E diversion circuits with ≤25ns nanosecond response suppress voltage spikes rapidly, residual voltage controlled from 1.25kV to 2.0kV for different Uc models. Plug-in modular design allows single faulty cartridge replacement on site; built-in low-temperature trip prevents accidental disconnection in cold cabinets. Equipped with green-red status window and passive remote contacts, 35mm DIN rail compatible footprint, PA6 V0 flame retardant housing stable from -40℃ to +70℃ indoors. Suitable for household consumer units, retail panels, small solar single-phase inverter cabinets and EV charger auxiliary circuit lightning protection.
| 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
Products Description
| Standards | IEC 61643-11 |
| SPD type | T2 |
| Models |
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 20-385/2:≤1.8kV LPM 20-440/2:≤2.0kV |
| Response time tA |
|
| 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
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| Photovoltaic Power Generation | Wind Power Generation | Wind Power Generation |
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| Data Room | Charging Station | City Highway |
FAQ
Q1: What does your company do?
A1: We are a high-tech enterprise specializing in the research, development, manufacturing, sales,and installation services of lightning arresters and related products.
Q2: What products do you offer?
A2: Our product range includes ultra-low residual voltage lightning arresters, lightning protection boxes, modules,composite lightning arresters, signal lightning arresters, and more.
Q3: Which industries do your products apply to?
A3: Our products are widely used in industries such as telecommunications, power, petroleum, transportation, and security.
Q4: Do you accept OEM and ODM orders?
A4: Yes, we welcome OEM and ODM cooperation to provide customized solutions.
Q5: What working conditions do 20kA and 40kA represent respectively?
A5: 20kA is the repetitive surge capacity for daily operation; 40kA is the one-time peak impulse withstand rating.
Q6:What working conditions do 20kA and 40kA represent respectively?
A: 20kA is the repetitive surge capacity for daily operation; 40kA is the one-time peak impulse withstand rating.
Q7:Is 40kA rating suitable for household consumer units in thunder-prone areas?
A: This capacity is recommended for secondary single-phase panels in frequent lightning zones to enhance long-term surge resistance.
Q8:Is full unit replacement required after heavy surge hits?
A: Only replace the pluggable cartridge once red failure indicator appears, no full disassembly needed.
Company Details
Business Type:
Manufacturer
Year Established:
2018
Total Annual:
1000000-10000000
Employee Number:
20~100
Ecer Certification：
Verified Supplier
Shenzhen Leilihai Electric Co., Ltd We are a high-tech enterprise that integrates the research and development, manufacturing, sales, and installation services of lightning protection devices and lightning protection system supporting products. The company has successively passed the German TUV cer... Shenzhen Leilihai Electric Co., Ltd We are a high-tech enterprise that integrates the research and development, manufacturing, sales, and installation services of lightning protection devices and lightning protection system supporting products. The company has successively passed the German TUV cer...
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