Shenzhen LLH Electrical Co., Ltd.
| Protection Modes | Full L1 L2 L3 N-E Circuit Coverage |
| Available Uc Ratings | 275/320/385/440Vac |
| Delivery Time | 5-8 work days |
| Certifications | TUV CE for Global New Energy Export Projects |
| Packaging Details | 1 piece/box |
| Monitoring Function | Remote Contacts Connect to Charger Cloud Platforms |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 6000 pieces/month |
| Model Number | LPM 20-275/4 |
| Brand Name | LLH |
| Place of Origin | China |
| Certification | CE,TUV |
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Product Specification
| Protection Modes | Full L1 L2 L3 N-E Circuit Coverage | Available Uc Ratings | 275/320/385/440Vac |
| Delivery Time | 5-8 work days | Certifications | TUV CE for Global New Energy Export Projects |
| Packaging Details | 1 piece/box | Monitoring Function | Remote Contacts Connect to Charger Cloud Platforms |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Supply Ability | 6000 pieces/month |
| Model Number | LPM 20-275/4 | Brand Name | LLH |
| Place of Origin | China | Certification | CE,TUV |
| High Light | Three phase surge protection device ，SPD for EV charging station ，Surge protector for power cabinets | ||
Product Description
Three-phase auxiliary distribution cabinets inside EV charging stations are vulnerable to lightning induced surges and grid switching impulses, which cause charger mainboard and metering module breakdowns and downtime. This 4-pole Type 2 SPD is mounted in LPZ0B-LPZ1 secondary panels within charging stations, diverting lightning transient currents with 40kA surge capacity and clamping residual voltage within safe limits via ≤25ns fast response to protect charger control and metering hardware. Wide-temperature construction withstands temperature swings in indoor charging station rooms adjacent to outdoor chargers; remote signalling contacts send fault alerts to charger cloud monitoring systems, and pluggable modules simplify station maintenance replacement. TUV & CE certification meets compliance standards for overseas EV charging projects.
Key Features
4-pole full-phase protection matches three-phase AC charger auxiliary power circuits
-40℃~+70℃ tolerance fits fluctuating temperatures inside charging station electrical rooms
Remote signalling contacts integrate with charger cloud back-end monitoring
40kA surge capacity handles frequent induced lightning transients during thunderstorms
TUV & CE certified for international EV charging station export engineering
FAQ:
Q1: Is extra Type 3 SPD required for outdoor charging gun terminals?
A: This Type 2 unit protects station main panels; supplementary Type 3 fine protection at charging gun terminals delivers coordinated multi-stage surge safety.
Q2: Can multiple EV chargers share one single 4P SPD?
A: One SPD covers the cabinet three-phase main incoming line; no duplicate main SPDs are required for branch charger circuits inside the panel.
Q3: Does performance remain stable in charging station electrical rooms during hot summer periods?
A: Rated maximum operating temperature 70℃ supports continuous long-term protection with adequate cabinet ventilation.
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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