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The Phoenix Contact 2817738 is a Type 2 surge protection base element from the VALVETRAB MS series. This 1-channel base element is designed for DIN rail mounting, fitting a standard 35 mm rail.
Key electrical specifications include a nominal voltage of 500 V AC and an arrester rated voltage of 600 V AC. It supports a nominal frequency of 50 Hz or 60 Hz and requires a maximum backup fuse of 125 A (gL/gG). The short-circuit resistance is rated at 25 kA.
Connection is made via Biconnect terminal blocks for the protective circuit, with screw terminals for the remote fault indicator contact. The housing is made of PA material with a black color and has a degree of protection of IP20. The operating ambient temperature range is -40 °C to 80 °C.
This product is suitable for use with circuit breakers and other VALVETRAB components. Its design includes keying when a protective plug is inserted for the first time.
The nominal voltage is 500 V AC with an arrester rated voltage of 600 V AC.
It operates from -40 °C to 80 °C.
It mounts on a 35 mm DIN rail and measures 17.7 mm wide by 97 mm high by 52 mm deep.
Biconnect screw terminal blocks (M5) with tightening torque 4.5 Nm, accepting stranded wires 1.5-25 mm² and solid wires 1.5-35 mm².
Yes, it has a PDT switching contact for remote indication, rated for 250 V AC / 125 V DC at 1 A AC / 0.2 A DC.
It resists short-circuit currents up to 25 kA with maximum backup fuse 125 A (gL/gG).
It supports 50 Hz and 60 Hz nominal frequencies.