Circuit breaker

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OBJECT TYPE: single pole
DATE: 1948
ARTIFACT NUMBER: 1992.2754.001

MANUFACTURER: Unknown
MODEL: Unknown
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: synthetic casing, switch and parts/ metal hardware and parts

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 10.3 cm
Width: 2.5 cm
Height: 13.2 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Energy-electric
Category: User site
Sub-Category: N/A

Manufacturer

AKA: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: 1940s-1950s+
Canada: An example of a circuit breaker of a type used in Canada. Part of a large and varied collection of over 7500 electrical items acquired and documented by Ontario Hydro in the1960s. The collection was thought to be the largest and most comprehensive of its kind in Canada and was donated to the National Museum of Science and Technology in 1992.
Function: A safety device used in panel boards to protect against the overloading of circuits, substituting for fuses and fused switches
Technical: Unknown
Area Notes: Unknown

Details

Markings: partially illegible grey lettering reads "220/ M.A.", "?-220", "?C.B. CO./ 444/ "
Missing: appears complete
Finish: black and brown body/ black switch/ metallic parts/ black wire covering
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Unknown Manufacturer, Circuit breaker, circa 1948, Artifact no. 1992.2754, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1992.2754.001/

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