Combined arrester TN-S-Sys., type 1+2 - Combined arrester for power systems DSH TNS 255 FM

DSH TNS 255 FM 941405 4013364275331 EAN/GTIN DE 11890845 WEEE

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Safety and hazard information
Please note that electrotechnical work may only be carried out by qualified electricians or under their guidance and supervision. Observe any deviating country-specific electrical installation standards and regulations and seek advice from a local electrician.In addition, observe more current safety instructions and regulations for the products on the manufacturer's side or the product descriptions and installation instructions on the manufacturer's side.

Devices with a connected load of > 380V/400V require a heavy current connection and may only be connected by an approved electrical company. Devices with a power rating > 12kW require the approval of your grid operator (Germany, other countries may differ).
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Combined arrester TN-S-Sys., type 1+2 DSH TNS 255 FM TN network type, TN-S network type, number... more
Combined arrester TN-S-Sys., type 1+2 - Combined arrester for power systems DSH TNS 255 FM – Dehn – 941405 – 4013364275331: Combined arrester TN-S-Sys., type 1+2 DSH TNS 255 FM TN network type, TN-S network type, number of poles 4, lightning impulse current (10/350 µs) 50kA, maximum continuous voltage AC 255V, nominal voltage AC 230V, protection level 1, 5kV, protection level LN 1.5kV, protection level L-PE 1.5kV, protection level N-PE 1.5kV, follow current extinguishing capacity 25kA, specific energy (W/R) 625kJ/Ohm, max. conductor cross-section solid (solid/stranded) 35mm², Max. conductor cross-section flexible (finely stranded) 25mm², mounting type DIN rail TH35, size 4 HP, remote signalling, optical signaling on the device, test class type 1 and 2, energy-coordinated protective effect to the end device, degree of protection (IP) IP20, multi-pole, application-optimized combined arrester DEHNshield, type 1 + Type 2 according to EN 61643-11 based on spark gaps. Space-saving spark gap technology with only 1 TE / pole enables a compact design. For the protection of residential buildings and for use in special applications. Enables endpoint protection. For protection against overvoltages, even in the case of direct lightning strikes. Can be used according to the lightning protection zone concept at the interfaces 0A - 2.
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Network form DC no
Network form IT no
Network shape TN no
Mains form TN-C no
Mains form TN-CS no
Mains form TN-S yes
Network shape TT no
Network form other no
Number of poles 4
Lightning impulse current (10/350 µs) 50 kA
Highest continuous voltage AC 255V
Rated voltage AC 230V
Protection level 1.5 kV
Protection level LN 1.5 kV
Protection level L-PE 1.5 kV
Protection level N-PE 1.5 kV
Follow current extinguishing capability 25 kA
Specific energy (W / R) 625 kJ/ohms
Mounting DIN rail TH35
Size 4 TE
Remote signaling yes
Signaling on the device optical
Test class Type 1 and 2
Integrated backup fuse no
Voltage switching spark gap technology yes
Overcurrent-protected voltage tap-off no
IP protection) IP20

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