DC Buyer's Guide

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Frames 258AT to 328AT

Totally Enclosed Fan Cooled Type CD

DIMENSIONS - For ESTIMATING ONLY unless endorsed for construction

DRIVE END

COMMUTATOR END

XP P

ACCESSORY MOUNTING FACE

Modifications Motor Pricing General Information O Frame Approx. Net Wt. In Lb. 258AT 397 259AT 442 532

.06

AIR OUTLET

.93

N-W V N

.20

AIR INLET

HOLE FOR AA CONDUIT

2F B MAX. K (APPROX)

FN-FW

H HOLE

A MAX.

Drive End

Commutator

DIMENSIONS IN INCHES

Key

End Key

Approx. WK 2 of Arm Lb. Ft. 2

Lgth. ± .03 Width Thick

Lgth. ± .03

‡ D

Width Thick

A Max.

B Max.

3.170 3.570 5.090 5.780 9.200 10.42

0.375 0.375 2.25 0.3125 0.3125 1.50 0.375 0.375 2.25 0.3125 0.3125 1.50 0.500 0.500 2.50 0.3750 0.3750 2.00 0.500 0.500 2.50 0.3750 0.3750 2.00 0.500 0.500 3.00 0.5000 0.5000 2.25 0.500 0.500 3.00 0.5000 0.5000 2.25

12.40 14.06 30.32 6.25 5.00 12.5 0.62 0.5312 2.25 2.0 12.40 15.56 31.94 6.25 5.00 14.0 0.62 0.5312 2.25 2.0 13.88 14.16 34.66 7.00 5.50 12.5 0.64 0.5312 2.50 2.0 13.88 15.66 36.40 7.00 5.50 14.0 0.64 0.5312 2.50 2.0 15.88 15.96 37.62 8.00 6.25 14.0 0.75 0.6562 3.00 2.3 15.88 17.96 39.50 8.00 6.25 16.0 0.75 0.6562 3.00 2.3

Accessories and 287AT

288AT 327AT 328AT

587 732 812

DIMENSIONS IN INCHES

Δ V

Δ FV 2.5 2.5 3.0 3.0 3.5 3.5

Frame 258AT 259AT 287AT 288AT 327AT 328AT

W N-W BA

FW FN-FW BS

3.41 3.41 3.91 3.91 4.41 4.41

12.75 12.75 14.25 14.25 16.25 16.25

13.00 13.00 14.52 14.52 16.52 16.52

1.625 1.625 1.875 1.875 2.125 2.125

3.0 3.0 3.5 3.5 4.0 4.0

0.16 0.16 0.16 0.16 0.16 0.16

3.25 3.25 3.75 3.75 4.25 4.25

4.25 4.25 4.75 4.75 5.25 5.25

32.64 34.26 37.48 39.22 40.94 42.82

3.25 3.25 3.75 3.75 4.25 4.25

1.375 1.375 1.625 1.625 1.875 1.875

0.5 0.5 0.5 0.5 0.5 0.5

2.75 2.75 3.25 3.25 3.75 3.75

9.650 11.26 10.89 12.62 11.80 13.68

12.42 12.42 13.88 13.88 15.88 15.88

Information Outline Dimensions Frame AB 210 9.620 250 10.62 280 11.34 320

DIMENSIONS IN INCHES

AA=1.25

AA=2.0

AA=3.0

7.56 8.56 9.28

3.62 3.62 3.62

5.94 5.94 5.94

4.38 4.38 4.38

11.48 11.74 12.46 13.44

8.920 9.180 9.900 10.88

4.62 4.62 4.62 4.62

7.38 7.38 7.38 7.38

5.38 5.38 5.38 5.38

Not Available Not Available

14.90 15.12

11.28 11.50

6.62 6.62

10.5 10.5

8.56 8.56

Not Available

‡ Dimensions "D" will not be exceeded. When exact dimension is required, shims up to .03 inches may be necessary where dimension "D" is 8 inches or less. When dimension "D" is over 8 inches, shims up to .06 inch may be necessary. Δ “V” represents minimum length of shaft available for hubs. Shaft diameters 1.5 inches and smaller will come within the limits of +0.0000 inch -0.0005 inch. Diameters larger than 1.5 inches will come within the limits of +0.0000 inch -0.0010 inch. Shaft runout on diameters 1.625 inches and smaller shall not exceed .002 inch indicator reading. Diameters larger than 1.625 inches shall not exceed .003 inch indicator reading.

For shipping weight add 15% to net weight . Conduit box will be assembled on the right hand side facing the commutator end for motors, and on the left hand side facing the commutator end for generators. Conduit box will be assembled on opposite side of frame, if so specified. Conduit box may be oriented to accommodate customers’ application. Dimensions pertaining to conduit boxes vary according to rating. Refer to Wolong for dimensions. The standard single shaft machine has the commutator end bearing bracket and shaft prepared to accept accessories. For additional information, see page 4.48. Commutator end shaft extension is furnished only when specifically ordered, and is prepared for accessory drive. When commutator end shaft is not furnished, shaft and fan shroud on commutator end is prepared for shaft driven accessories. Refer to 36C697103BA for dimensions.

Application

Other Information

From 36C697102BA

4.14

www.gemotorswolong.com GEP387-EN 07/19 Prices and data subject to change without notice.

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