Westinghouse Type BT Transfer Relay, 1918-1930
01
Artifact Overview
As the electrical industry expanded, companies created equipment to protect valuable infrastructure used to generate and transmit electricity. Engineers developed relays to protect against service interruptions and keep equipment safe from abnormal current loads. These unassuming devices control the path of electricity, directing it to different circuit paths when needed.
Artifact Details
Artifact
Relay
Date Made
1918-1930
Place of Creation
Location
Not on exhibit to the public.
Object ID
72.131.6
Credit
From the Collections of The Henry Ford.
Material
Composite material
Metal
Glass (Material)
Color
Black (Color)
Gold (Color)
Dimensions
Height: 15 in
Width: 4.75 in
Length: 4 in
Inscriptions
on plate:
WESTINGHOUSE ELECTRIC & MFG. CO. PITTSBURGH, P.A., U.S.A./ TRANSFER RELAY TYPE BT/ FREQUENCY 25-60 CYCLES 5 AMPERES/ STYLE 252725D/ SERIAL 349045/ PATENTED 11-14-16/ WESTINGHOUSE ELECTRIC 1-3-17
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