Ex Proof Signal SPD 24Vdc IP67 10kV Hazardous Area Petrochemical Protection
Product Summary
LS-Ex/24 Explosion-Proof Signal Lightning Arrester is designed for communication signal line equipment in intrinsically safe areas of natural gas, gas stations, petroleum, and petrochemical systems, such as sensors and transmitters. Suitable for installation in LPZ 2-3 and subsequent lightning ...
Product Custom Attributes
Ex Proof Signal SPD
,Signal SPD 24Vdc
,Petrochemical Protection Signal SPD
Basic Properties
Trading Properties
Product Description
LS-Ex/24 Explosion-Proof Signal Lightning Arrester is designed for communication signal line equipment in intrinsically safe areas of natural gas, gas stations, petroleum, and petrochemical systems, such as sensors and transmitters. Suitable for installation in LPZ 2-3 and subsequent lightning protection zones, it provides reliable surge protection in hazardous environments.
Featuring a SUS 304 stainless steel housing with epoxy resin potting, the product offers IP67 protection, making it suitable for both indoor and outdoor use. The standard threaded interface allows for easy installation, while the parallel connection cable simplifies wiring. With a wide operating temperature range (-40℃~+120℃), it adapts to harsh environmental conditions in industrial hazardous areas.
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● Sus 304 stainless steel housing.
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●Protection Level IP67.
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●Standard threaded interface mounting.
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●Parallel connection cable, easy installation.
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●Suitable for installation in LPZ2-3 and subsequent lightning protection zones, as lightning protectors for communication signal line equipment in intrinsically safe areas of natural gas, gas stations, petroleum, and petrochemical systems, such as sensors and transmitters.
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Product Specification

| Standards | IEC 61643.21 |
| Models | LS-Ex/24 |
| Nominal operating voltage Un | 24Vdc |
| Maximum continuous operating voltage Uc | 32Vdc |
| X-X Shock rating C1 | 2kV/1kA |
| X-C Sock rating C2 | 10kV/5kA |
| X-X,X-C Shock rating B2 | 4kV(10/700μs) |
| X-X Up@C1 | ≤90V |
| X-C Up@C2 | ≤500V |
| X-X Up@B2 | ≤45V |
| X-C Up@B2 | ≤300V |
| Response time tA | ≤1ns |
| Line to line bandwidth fG | 3MHz |
| Protective Line | X1-X2,X1-C,X2-C |
Mechanical parameters
| Threaded interface | M20 thread, 1/2NPT, 3/4NPT optional |
| Lead length | 25mm |
| Wire cross-sectional area | 1.5mm² |
| Product size | 75mmx27mm(excluding leads) |
| Housing material | SUS 304 stainless steel+epoxy resin potting |
| Installation location | Outdoor,Indoor |
| Shell protection rating | IP67 |
| Temperature range | -40℃…+120℃ |
| Humidity range | Relative humidity≤95% |
Notices
1.This product is for intrinsically safe areas; ensure it is used in compliance with explosion-proof regulations.
2.Select the appropriate threaded interface (M20, 1/2NPT, 3/4NPT) based on installation requirements.
3.The lead length is 25mm with a cross-sectional area of 1.5mm²; do not extend the lead without professional modification.
4.Avoid installing in areas with severe mechanical impact or chemical corrosion.
5.Regularly inspect the housing for damage or corrosion; replace if compromised.
6.Ensure proper grounding with ground resistance ≤4Ω to guarantee surge diversion efficiency.
FAQ
Q1: What is the explosion-proof rating of this product?
A1: It is designed for intrinsically safe areas, with a SUS 304 stainless steel housing and IP67 protection level, meeting explosion-proof requirements for hazardous environments.
Q2: Can it be used outdoors?
A2: Yes, the IP67 protection level makes it dustproof and waterproof, suitable for both indoor and outdoor installation.
Q3: What threaded interfaces are available?
A3: It offers three optional threaded interfaces: M20, 1/2NPT, and 3/4NPT, adapting to different installation needs.
Q4: What is the operating temperature range?
A4: It can operate in temperatures ranging from -40℃ to +120℃, adapting to harsh environmental conditions.
Q5: Is it suitable for 4-20mA current loops?
A5: Yes, it is specifically designed for 4-20mA current loops and other industrial control signal lines in hazardous areas.
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