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The Phoenix Contact 2881816 is a base element designed for Type 2 surge arresters within the VALVETRAB MS product range. This specific version is intended for use with a 3-phase power supply that includes a PEN conductor.
Constructed with PBT/PA housing material and rated UL 94 V0 for flammability, this black arrester base offers a degree of protection of IP20. It is designed for straightforward mounting on a 35 mm DIN rail.
Key electrical specifications include a nominal voltage of 400 V AC (690 V AC) and a nominal load current of 80 A. It supports a maximum required backup fuse of 200 A for branch wiring and 80 A for V-type through wiring, with a short-circuit resistance of 25 kA.
The connection type is a screw connection utilizing Biconnect terminal blocks with M5 screw threads. It accommodates conductor cross-sections ranging from 1.5 mm² to 35 mm² for solid conductors and 1.5 mm² to 25 mm² for stranded conductors. The operating ambient temperature range is from -40 °C to 80 °C.
The nominal voltage is 400 V AC, with a maximum of 690 V AC.
The operating temperature range is -40 °C to 80 °C.
It is designed for 35 mm DIN rail mounting.
The nominal load current is 80 A.
It accepts solid conductors from 1.5 mm² to 35 mm² and stranded conductors from 1.5 mm² to 25 mm².