General Information

Serial #

4326279

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CAST IRON, STEEL, COPPER, AND POSSIBLY OTHER METAL MATERIALS OF CONSTRUCTION. BRUSHES APPEAR TO BE CARBON. COATED FABRIC COVERING ON WINDINGS, ETC.

Dimensions

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

Length

120.0 cm

Width

45.0 cm

Height

45.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Conversion

Sub-Category

N/A

Manufacturer

AKA

General Electric

Country

United States of America

State/Province

New York

City

Schenectady

Context

Country

United States of America

State/Province

Unknown

Period

THIS TYPE OF MOTOR PRESUMABLY USED C. 1916 +

Canada

Unknown

Function

TO CONVERT ELECTRICAL INTO MECHANICAL ENERGY.

Technical

BRUSH SHIFTING COMMUTATOR MOTOR DESIGNED TO OBTAIN ADJUSTABLE SPEED BY METHOD OF SHIFTING BRUSHES. CHANGE OF SPEED IS ONLY MODERATE, COMPARED WITH CHANGE OF LOAD. IT HAS A FULL LOAD SPEED RANGE OF 3 TO 1, THE SLIP REDUCING THE TOP & BOTTOM SPEEDS AND ALLINTERMEDIATE SPEEDS AS WITH AN INDUCTION MOTOR. (REF. 3)

Area Notes

Unknown

Details

Markings

Mfr's plate reads "ALTERNATING CURRENT MOTOR/ ADJUSTABLE SPEED, BRUSH SHIFTING/ NO. 4326279 3 PHASE/ TYPE BTA 302-6 12.5 1650 FORM B/ CYCLES 60 VOLTS 220 SEC. AMP. 63/ H.P. 12.5 AMP. 33 SPEED 1650 CONTINUOUS 50 [degrees] C/ H.P. 9.1 AMP. 30 SPEED 1200 CONTINUOUS 50 [degrees] C/ H.P. 5.6 AMP. 23 SPEED 740 CONTINUOUS 50 [degrees] C/ H.P. 4.17 AMP. 21 SPEED 550 2 HRS. 55 [degrees] C/ PAT'D DEC. 14,'15/ GENERAL ELECTRIC CO./ SCHENECTADY, N.Y., U.S.A./ N.P. 14791".

Missing

UNKNOWN.

Finish

GREY ENAMEL FINISH ON MOST EXTERIOR SURFACES OF MOTOR CASING; SELECTED MINOR FITTINGS HAVE BEEN PAINTED ORANGE.

Decoration

N/A