Dehn, DSH Modular Surge Protector 255 V ac Maximum Voltage Rating 12.5kA Maximum Surge Current Lightning Arrester
Technical Document
Specifications
Brand
DehnSuppressor Type
Lightning Arrester
Maximum Voltage Rating
255 V ac
Mounting Type
DIN Rail
Maximum Surge Current
12.5 kA, 50kA
Series
DSH
Length
72mm
Depth
72mm
Height
90mm
Dimensions
72 x 72 x 90mm
Minimum Operating Temperature
-40°C
Maximum Operating Temperature
+80°C
Country of Origin
Germany
Product details
DEHNshield Surge Arrester Modules
Application-optimised prewired combined lightning current and surge arrester for TN-S systems
Application-optimised prewired spark-gap-based combined lightning current and surge arrester
Space-saving arrester for compact and simply equipped electrical installations with reduced technical requirements
Capable of protecting terminal equipment
Also available in Ready to install encloseures with transparent covers protected to IP65
Surge Protection Devices, SPDs (DIN-rail)
Voltage surges, often referred to as spikes or transients are typically caused by switching of fluorescent lights, fuses blowing or nearby lightning activity. The worst voltage spikes are usually caused by lightning strikes and can reach up to 6000V, with current surges of over 3000A. The maximum size of the let-through voltage and current inrush depends on the location within the building's wiring system. BS7671: 2011 Amendment 1 Sections 443 and 534 cover risk assessment and provides guidance on protection of electronic equipment for installation engineers to follow. The fullest information on lightning and surge protection comes from the BSEN 62305 series of standards.
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515.920 OMR
Each (ex VAT)
541.716 OMR
Each (inc VAT)
1
515.920 OMR
Each (ex VAT)
541.716 OMR
Each (inc VAT)
1
Technical Document
Specifications
Brand
DehnSuppressor Type
Lightning Arrester
Maximum Voltage Rating
255 V ac
Mounting Type
DIN Rail
Maximum Surge Current
12.5 kA, 50kA
Series
DSH
Length
72mm
Depth
72mm
Height
90mm
Dimensions
72 x 72 x 90mm
Minimum Operating Temperature
-40°C
Maximum Operating Temperature
+80°C
Country of Origin
Germany
Product details
DEHNshield Surge Arrester Modules
Application-optimised prewired combined lightning current and surge arrester for TN-S systems
Application-optimised prewired spark-gap-based combined lightning current and surge arrester
Space-saving arrester for compact and simply equipped electrical installations with reduced technical requirements
Capable of protecting terminal equipment
Also available in Ready to install encloseures with transparent covers protected to IP65
Surge Protection Devices, SPDs (DIN-rail)
Voltage surges, often referred to as spikes or transients are typically caused by switching of fluorescent lights, fuses blowing or nearby lightning activity. The worst voltage spikes are usually caused by lightning strikes and can reach up to 6000V, with current surges of over 3000A. The maximum size of the let-through voltage and current inrush depends on the location within the building's wiring system. BS7671: 2011 Amendment 1 Sections 443 and 534 cover risk assessment and provides guidance on protection of electronic equipment for installation engineers to follow. The fullest information on lightning and surge protection comes from the BSEN 62305 series of standards.