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AC Lightning Protection Box 3 Phase Whole Home Surge Protector T2 SPD 220V 20kA 40kA 80KA
Product Summary
LPX-40C is a dedicated three-phase AC surge protection device engineered to shield three-phase power systems from transient overvoltages triggered by lightning strikes and grid fluctuations, delivering all-round protection for critical power infrastructure. Benefits Industrial-Grade Stability: Built ...
Product Custom Attributes
Standards:
IEC 61643.11
SPD Type:
T2
Maximum Continuous Operating Voltage (Uc):
385Vac(50Hz)
Maximum Discharge Current (Imax):
40kA/ 80kA
Response Time:
≤25ns
Highlight:
AC Lightning Protection Box
,Whole Home Surge Protector 20kA
,3 Phase T2 SPD
Basic Properties
Place of Origin:
Guangdong Province.China
Brand Name:
LLH
Model Number:
LPX-40C
Document:
Trading Properties
Minimum Order Quantity:
1 piece
Price:
US $79/Piece
Packaging Details:
box
Delivery Time:
7-15 days
Payment Terms:
L/C,D/A,D/P,T/T,Western Union
Supply Ability:
5000-10000 pieces/mouth
Product Description
LPX-40C is a dedicated three-phase AC surge protection device engineered to shield three-phase power systems from transient overvoltages triggered by lightning strikes and grid fluctuations, delivering all-round protection for critical power infrastructure.
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Benefits
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Industrial-Grade Stability: Built with optional mode protection and rugged PCB design, delivering consistent, interference-free performance in demanding industrial environments. |
Precise Surge Counting: Integrated lightning counter (3kA–80kA, 0–999 digits) accurately records surge occurrences, supporting data-driven predictive maintenance. |
Remote Monitoring:Remote signaling and visual status indicators enable real-time operational visibility and centralized management of protection status. |
Applications
Designed for installation in LPZ 1–2 and subsequent lightning protection zones, providing fire-safe surge protection for three-phase power distribution systems.
Product Specification
| Standards | IEC 61643.11 |
| SPD type | T2 |
| Models | LPX-40C, LPX-80C |
| Nominal operating voltage Un | 220Vac(50Hz) |
| Maximum continuous operating voltage Uc | 385Vac(50Hz) |
| Nominal discharge current (8/20μs) In | 20kA, 40kA |
| Maximum discharge current (8/20μs) Imax | 40kA, 80kA |
| Voltage protection level Up | ≤1.25kV, ≤1.8kV |
| Response time tA | ≤25ns |
| Protection Circuit | L1,L2,L3-N,N-E |
| Lightning stroke range | 0.9kA(8/20μs)~80kA(8/20μs) |
| Counting digit | 0~999 |
Mechanical Parameters
| Installation method | 4 fixed holes, DIN Rail 35mm |
| Screw torque | 5N·m |
| Strip length | 12mm |
| Wiring cross-sectional area | 2.5mm²~10mm² |
| Product size | 178mm×116mm×75mm, 197mm×139mm×90mm |
| Shell material and surface technology | Cold rolled steel plate painted black |
| Alarm system - Deterioration indication | LED green: OK; Off: 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 Tips
FAQ
- Install the lightning protection box in a dry, well-ventilated indoor location, and keep it clear of flammable substances.
- Use conductors with a cross-sectional area of 2.5mm²–10mm², and tighten terminal screws to a torque of 5N·m.
- Ensure a reliable earthing connection with a ground resistance of ≤4Ω to achieve optimal surge discharge efficiency.
- Inspect the lightning counter and status indicator regularly: if the indicator is off, the device has failed and must be replaced promptly.
- Do not connect the unit to a power supply exceeding its rated voltage or current limits.
- Avoid operating the product outside its specified temperature and humidity ranges.
Q1: What is the counting range of the lightning strike counter?
A1: The counter can record lightning events with a discharge current of 3kA(8/20μs) to 80kA(8/20μs), and the digital display range is 0 to 999.
A1: The counter can record lightning events with a discharge current of 3kA(8/20μs) to 80kA(8/20μs), and the digital display range is 0 to 999.
Q2: Does the product support remote monitoring?
A2: Yes. It is fitted with both normally closed and normally open remote signaling contacts, allowing integration with monitoring systems for remote status tracking.
A2: Yes. It is fitted with both normally closed and normally open remote signaling contacts, allowing integration with monitoring systems for remote status tracking.
Q3: What is the difference between LPX-40C and LPX-80C?
A3: The primary difference is the maximum discharge current (Imax): LPX-40C has an Imax of 40kA, while LPX-80C offers 80kA, catering to different levels of system protection requirements.
A3: The primary difference is the maximum discharge current (Imax): LPX-40C has an Imax of 40kA, while LPX-80C offers 80kA, catering to different levels of system protection requirements.
Q4: Can it be installed in outdoor environments?
A4: No. This model is designed exclusively for indoor use. For outdoor applications, please select products with an IP67 ingress protection rating.
A4: No. This model is designed exclusively for indoor use. For outdoor applications, please select products with an IP67 ingress protection rating.
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