Object detail

Accession number
1982.524
Description
One of two knife switches mounted on a wooden board. One on the left marked "neutral" and one on the right marked "positive". There is a lever in the middle marked "TRIP". The whole assembly is mounted on a flat wooden base. Label attached reading "D.C. Circuit Breaker".
Marks
33 Sticker
NEU POS Painted
[RR monogram] / No5787 / 300A Maker's Plate
[RR monogram] / No5788 / 300A Maker's Plate
Credit Line
Electrical Switches, 1982.524. The Museum of Transport and Technology (MOTAT).

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Public comments

They are not just switches, they are overload breakers for use on DC . The picture is on its side the round brass part MUST be at the bottom . in vertical position . There is a special light oil in there.

- Steve Miller on 24-04-2020 02:44:59

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