DSH TNS 255 Dehn Dehn 255 V ac 12.5 kA, 50 kA DSH Lightning Arrester, DIN Rail Mounting
Description
Dehn 255 V ac 12.5 kA, 50 kA DSH Lightning Arrester, DIN Rail Mounting
The product with part number DSH TNS 255 (Dehn 255 V ac 12.5 kA, 50 kA DSH Lightning Arrester, DIN Rail Mounting)
is from company Dehn and distributed with basic unit price 439,94 EUR. Minimal order quantity is 1 pc.
Depth72mm Dimensions72 x 72 x 90mm Height90mm Length72mm Maximum Operating Temperature+80°C Maximum Surge Current12.5 kA, 50 kA Maximum Voltage Rating255 V ac Minimum Operating Temperature-40°C Mounting TypeDIN Rail SeriesDSH Suppressor TypeLightning Arrester 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 arresterSpace-saving arrester for compact and simply equipped electrical installations with reduced technical requirementsCapable of protecting terminal equipmentAlso 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 surges are usually caused by lightning and can reach up to 6000V, with current surges of over 3000A. The maximum size of the voltage and current surges 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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