Leeson DC Motors Catalog Page

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DC Motors

• NEMA DC, explosion proof, SUB-FHP, washdown, IEC and low voltage motors available

• Permanent magnet designs

• PWM or SCR rated and low voltage input voltage designs

• Removable bolt-on base

• Oversized brushes for long brush life

• Easy access to brushes

• Constant torque throughout speed range

• DC Controls available to change the speed of the motors

Applications:

DC motors are typically used is applications requiring motor speed adjustment, constant

torque throughout the speed range and reversing capabilities. Applications would include:

pumps, conveyors, turntables, textile machinery, treadmills, reeling equipment, sports

equipment and medical equipment.

292

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DC Motors

Mechanical/ Electrical Features:

• Brush holder design provides easy

access to brushes

• Large oversized brushes assure long

brush life

• Removable bolt-on base

• NEMA C face designs

• 115 or 230 volt input power ratings –

90 / 180 volt output

• Capable of dynamic braking

• PWM or SCR type controller rated

• High starting torque

• Permanently lubricated sealed bearings

• LEESON SCR controls available to

power motors

• High starting torque

• Higher HP and speed achievable using

PWM type DC controls

• UL and CSA Listed

• Meets NEMA MG1 standards

• Dynamically balanced armatures

• 30:1 constant torque operation

293

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DC Motors

NEMA Frame - SCR Rated

TEFC - SCR Rated 90 & 180 Volts
NEMA 56C - C Face With Removable Base

HP

1/4 1750 SS56C 098002.00 √ 42D17FK2 19 90 115 2.5 10.81 S, US

1/3 1750 SS56C 098004.00 √ 42D17FK4 23 90 115 3.5 11.31 S, US

1/2 2500 SS56C 098006.00 √ 42D28FK1 22 90 115 5.0 10.81 S, US

3/4 2500 SS56C 098009.00 √ 42D28FK3 26 90 115 7.6 11.81 S, US

1 2500 S56C 108020.00 √ 4D28FK5 34 90 115 10.0 13.32 S, US

11⁄2 2500 S56C 108265.00 √ 4D28FK11 43 180 230 7.5 15.32 S, US

2 2500 S56/145TC 108266.00 √

3 1750 182/145TC 108502.00 √ 182D17FK2 88 180 230 14.0 21.75 S, US, 61

Full
Load
RPM

1750 SS56C 098003.00 √ 42D17FK3 22 180 230 1.4 11.31 S, US

1750 SS56C 098005.00 √ 42D17FK5 23 180 230 1.7 11.31 S, US
1140 S56C 109098.00 C/A 4D11FK5 32 90 115 3.5 12.81 S, US

2500 SS56C 098007.00 √ 42D28FK2 22 180 230 2.5 10.81 S, US
1750 SS56C 098000.00 √ 42D17FK1 26 90 115 5.0 11.81 S, US
1750 S56C 108014.00 √ 4D17FK1 29 90 115 5.0 12.82 S, US
1750 SS56C 098008.00 √ 42D17FK6 25 180 230 2.5 11.81 S, US
1750 S56C 108015.00 √ 4D17FK2 30 180 230 2.5 12.82 S, US
1140 S56C 109099.00 √ 4D11FK6 40 90 115 5.0 14.32 S, US

2500 S56C 108016.00 √ 4D28FK3 29 90 115 7.6 12.82 S, US
2500 SS56C 098010.00 √ 42D28FK4 25 180 230 3.8 11.81 S, US
2500 S56C 108017.00 √ 4D28FK4 29 180 230 3.8 12.82 S, US
1750 SS56C 098032.00 √ 42D17FK7 36 90 115 7.6 13.81 S, US
1750 S56C 108018.00 √ 4D17FK3 38 90 115 7.6 13.82 S, US
1750 SS56C 098069.00 √ 42D17FK11 36 180 230 3.8 13.81 S, US
1750 S56C 108019.00 √ 4D17FK4 35 180 230 3.8 13.82 S, US
1140 S56C 109100.00 √ 4D11FK7 49 90 115 7.5 15.82 S, US

2500 S56C 108021.00 √ 4D28FK6 38 180 230 5.0 13.82 S, US
1750 S56C 108022.00 √ 4D17FK5 47 90 115 10.0 14.82 S, US
1750 S56C 108023.00 √ 4D17FK6 39 180 230 5.0 14.81 S, US
1140 145TC 128023.00 C/A C145D11FK1 82 90 115 11.0 18.84 S, US

1750 S56C 108092.00 √ 4D17FK10 53 180 230 7.6 16.82 S, US
1750 S56/145TC 108262.00 √ 4D17FK19 54 180 230 7.6 17.39 S, US, 8
1750 145TC 128000.00 √ C145D17FK2 70 180 230 7.5 18.34 S, US

1750 145TC 128010.00 √ C145D17FK3 83 180 230 9.5 19.34 S, US
1750 182/145TC 128001.00 √ C182D17FK3 84 180 230 9.5 19.34 S, US, 61

NEMA
Frame

Catalog

Number Model Number

Stock

4D28FK12 51 180 230 8.6 17.89 S,

App.
Wgt.

(lbs)

Arm.
Volts

DC

Control

Volts AC

Input

F. L.

Amps

DC

"C"

Dim.

(Inches) YNotes

US, 8

294

If base is removed, do not reinstall bolts without using washers to
compensate for thickness of base.

C/A - Check Availability

Specifications are subject to change without notice

Y

Note listing on inside back flap

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DC Motors

NEMA Frame - SCR Rated

TEFC - SCR Rated 90 & 180 Volts
NEMA 56C - C Face Less Base*

Full

Load

HP

RPM NEMA Frame

1/4 1750 SS56C 098377.00 √ 42D17FC29 19 90 115 2.5 10.81 S, US
1/3 1750 SS56C 098378.00 √ 42D17FC30 23 90 115 3.5 11.31 S, US
1/2 1750 SS56C 098379.00 √ 42D17FC31 29 90 115 5.0 11.81 S, US
3/4 1750 SS56C 098380.00 √ 42D17FC32 38 90 115 7.6 13.81 S, US

1 1750 S56C 109096.00 √ 4D17FC42 47 90 115 10.0 14.82 S, US

1750 S56C 109097.00 √ 4D17FC43 39 180 230 5.0 14.82 S, US

No tapped holes provided for attaching a bolt-on base.

Specifications are subject to change without notice

Catalog

Number Model Number

Stock

All necessary parts to mount listed tachometers to stock TEFC SCR motors. Consists of machined
cast fan cover, coupling and hardware. Does not include tachometer. Tach adapter kit is not suitable
for catalog number 108502.00.

App.
Wgt.

(lbs)

Arm.
Volts

DC

Control

Volts AC

Input

Y

F. L.

Amps

DC

Note listing on inside back flap

"C"

Dim.

(Inches) YNotes

Tachometer Mounting Kits For DC Motors

Tachometer

Type

GE 5PY Series SS56 71 175156.00 5

Servo-tek SS56 71 175157.00 8

SA740 Series 56/145 — 175159.00 8

No Kit available for S56C motors

Specifications are subject to change without notice

NEMA
Frame

56/145 — 175158.00 5

IEC

Frame

Catalog

Number

App.
Wgt.

(lbs)

Motors with S56C or SS56C frame sizes may be
converted to 42/48 C face using the following:

Modification Kits

Frame Catalog Number

SS56C 175182.00

S56C 175082.00*

175802.00*†

* Addition of base kit will result in non-NEMA BA

dimension of 2 3/4”. Addition of C face kit will
result in conduit box located at 1 o’clock facing
lead end.

† For S56 frame endshield mounted brush cover motors

Specifications are subject to change without notice

DC motors in NEMA S56C frame may be
converted to 48 base using the following:

Frame Catalog Number

S56C 175080.00*

* Additon of base kit will result in non-

NEMA BA dimension of 2 3/4. Addition
of C face kit will result in conduit box
located at 1 o’clock facing lead end

† For S56 frame endshield mounted brush cover motors

Specifications are subject to change without notice

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DC Motors

Explosion-Proof - SCR Rated

Application Notes:

These motors must be applied in accordance with the National
Electrical Code, Article #500. For a listing of explosive agents,
consult NFPA Publication 497M.

General Specifications:

• Approved for application in hazardous environments where
certain explosive gases or materials are present

Features:

• Rugged mechanical construction

• Meets all safety requirements

• UL and CSA listed

• Leads exit thru 3/4”-14NPT Pipe nipple at top of frame opposite shaft end

• Conduit box optional - see below

• Pilot duty thermostats -standard (connect to SCR control)

• Thermostats rated for continuous duty with full wave SCR(thyristor) controls.

• Double shielded, pre lubricated ball bearings - standard

• Easy brush access for field service

Explosion-Proof - Class I, Groups C & D – Class II, Groups F & G
90 & 180 Volt - TEFC - C Face With Removable Base

Full

Load

HP

1/3 1750 S56C 118015.00 √ C6D17EK1 27 90 115 3.5 13.41 S, US
1/2 1750 S56C 118016.00 √ C6D17EK2 30 90 115 4.7 14.41 S, US

3/4 1750 S56C 118018.00 √ C6D17EK4 40 90 115 7.1 16.41 S, US

Specifications are subject to change without notice

NEMA

RPM

Frame

1750 S56C 118017.00 √ C6D17EK3 32 180 230 2.5 14.41 S, US

1750 S56C 118019.00 √ C6D17EK5 36 180 230 3.3 16.41 S, US

Catalog

Number Model Number

Stock

UL and CSA listed for Class I, Group C & D, and Class II,
Groups F & G locations. Has grounding screw and all hard­ware provided. Mounts to motor by 3/4”-14NPT opening at
rear of box. For NEMA 56 frame motors only.

App.
Wgt.

(lbs)

Arm.
Volts

DC

Explosion-Proof Conduit Box

Catalog

Number App. Wgt. (lbs)

175026.00 2

Control

Volts AC

Input

F. L.

Amps

DC

(Inches) YNotes

Y

Note listing on inside back flap

"C"

Dim.

296

Specifications are subject to change without notice

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Nema Frame - Washguard® Duty - 90 & 180 Volts

General Specifications:

• Extended life in wet, high humid applications

• Design repels water from entering motor

• Internal components protected against rust and corrosion

• Frame, base, endshields, armature and interior components

protected by enamel and polyester compounds of outstanding
adhesion and resistance to moisture, acids, alkalies and oil

DC Motors

Features:

• 303 Stainless steel shaft resists corrosion

• Lubricated spring loaded contact seals prevent

moisture from entering the motor

• Patented “V” ring forsheda seal deflects water

• Double sealed, Oversize bearings with high temp lubricant

• Exterior and interior components protected against

moisture,acids, alkalies and oil

• Cast conduit box for superior sealing includes:

- Threaded entrance

- Drain holes

- Nitrile gaskets

• 304 stainless steel conduit box cover and fan
cover

• Re-positionable drain plugs for use in
multiple mounting positions

• Nylon seals at bolt heads for superior sealing

• Machined fits throughout

• Stainless steel data plate

• Chemically inert, static free fan with positive
mounting insures it wont move

• Stainless steel fan guard

• USDA Approved white epoxy finish

90 & 180 Volts - Totally Enclosed - C Face With Removable Base

Full

Load

HP

1/4 1750 S56C 108423.00 √ C4D17VK9 23 90 115 2.7 10.69 S, US

1/3 1750 S56C 108424.00 √ C4D17VK10 26 90 115 3.5 11.69 S, US

1/2 1750 S56C 108226.00 √ C4D17VK1 38 90 115 4.9 13.69 S, US

3/4 1750 S56C 108228.00 √ C4D17VK3 53 90 115 7.0 15.69 S, US

1 1750 S56C 108230.00 √ C4D17WK1 45 90 115 10.0 15.81 S, US

1 1⁄2 1750 S56C 108232.00 √ C4D17WK3 50 180 230 7.6 15.81 S, US

C/A - Check Availability
Specifications are subject to change without notice

NEMA

RPM

Frame

1750 S56C 098375.00 CA C42D17VK1 21 180 230 1.4 10.22 S, US

1750 S56C 098376.00 C/A C42D17VK2 22 180 230 1.7 10.22 S, US

1750 S56C 108227.00 √ C4D17VK2 43 180 230 2.4 13.69 S, US

1750 S56C 108229.00 √ C4D17VK4 50 180 230 3.5 15.69 S, US

1750 S56C 108231.00 √ C4D17WK2 42 180 230 5.0 14.81 S, US

Catalog
Number Model Number

Stock

App.

Wgt. (lbs)

Arm.

Volts DC

Control

Volts AC

Input

F. L.

Amps

Y

Note listing on inside back flap

Dim.

DC

(Inches) YNotes

"C"

Washguard® - IEC Frame - TENV IP55

180 Volts - TENV - B5 Flange With Removable Base

Full

Load

HP/kW

1/2 - .37 1750 71 098040.00 C/A 42D17VD1 22 180 230 2.5 10.69 S, US
3/4 - .55 1750 80 108407.00 C/A 4D17VD1 52 180 230 3.5 16.02 S, US

If base is removed, do not reinstall bolts without using washers to compensate for the
thickness of base. These WASHGUARD motors are modular design but stocked with B5
flange and B3 foot. The foot is removable. The B5 flange can be replaced with a B14
face or other diameter B5 flanges noted on page 306.

Specifications are subject to change without notice

RPM

NEMA
Frame

Catalog
Number Model Number

Stock

App.

Wgt. (lbs)

Arm.

Volts DC

Control

Volts AC

Input

Y

F. L.

Amps

DC

Note listing on inside back flap

"C"

Dim.

(Inches) YNotes

297