Explosion Proof SPD Components 24Vdc 250mA IP67 10kV For Intrinsically Safe Area
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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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● Series connection, low residual voltage.
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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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Applications
Product specifications
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Standards
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IEC 61643.21
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Models
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LS-Ex/24C
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Parameter
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Nominal operating voltage Un
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24Vdc
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Maximum continuous operating voltage Uc
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32Vdc
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X-X Shock rating C1
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2kV/1kA
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X-C Shock rating C2
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10kV/5kA
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X-X,X-C Shock rating B2
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4kV(10/700μs)
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X-X,X-C Shock rating D1
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2.5kA(10/350μs)
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X-X Up@C1
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≤60V
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X-C Up@C2
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≤500V
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X-X Up@B2
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≤30V
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X-C Up@B2
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≤300V
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Response time tA
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≤1ns
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Load current IR
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250mA
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Line to line bandwidth fG
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3MHz
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Protective Line
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X1-X2,X1-C,X2-C
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Threaded interface
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M20 thread, 1/2NPT, 3/4NPT optional
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Lead length
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25mm
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Wire cross-sectional area
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1.5mm²
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Product size
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75mmx27mm(excluding leads)
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Housing material
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SUS 304 stainless steel+epoxy resin potting
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Installation location
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Outdoor,Indoor
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Shell protection rating
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IP67
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Temperature range
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-40℃…+120℃
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Humidity range
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Relative humidity≤95%
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Notices
●This product is for intrinsically safe areas; ensure it is used in compliance with explosion-proof regulations.
●Select the appropriate threaded interface (M20, 1/2NPT, 3/4NPT) based on installation requirements.
●The lead length is 25mm with a cross-sectional area of 1.5mm²; do not extend the lead without professional modification.
●Do not exceed the maximum load current (250mA) to avoid overheating.
●Avoid installing in areas with severe mechanical impact or chemical corrosion.
●Regularly inspect the housing for damage or corrosion; replace if compromised.
FAQ
Q1: What is the difference between LS-Ex/24 and LS-Ex/24C?
A1: LS-Ex/24 uses parallel connection, while LS-Ex/24C uses series connection with low residual voltage and 250mA load current capacity.
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 is the load current capacity?
A3: It supports a maximum load current of 250mA, suitable for most industrial control signal lines in hazardous areas.
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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