DPP720 Brush Motor
DirectPower™ Plus Series

Series DPP720 Size 4.00-inch or 102mm Peak Torque to 2880 oz-in or 2034 Ncm

Product Details

Overview & Features

High-Torque. Long life.
Our ElectroCraft DirectPower Plus 720 Series features a rugged, heavy-gauge steel housing construction for long-life and durability. This high-efficiency motor offers smooth and highly accurate performance across the operating speed range. It includes dynamically balanced armatures, sealed construction for reliability in most environments, sealed ball bearings, and replaceable brushes.

Specifications & Winding Data

DPP720 Stack/Torque Sizes
Imperial Models DPP726T-355 DPP727T-455 DPP728T-570
Metric Models DPP726MT-251 DPP727MT-321 DPP728MT-403
Continuous Stall Torque (oz-in) 355 455 570
Continuous Stall Torque (Ncm) 250.67 321.28 402.48
Peak Torque (oz-in) 1440 2080 2880
Peak Torque (Ncm) 1016.78 1468.69 2033.57
Rotor Inertia (oz-in-sec2) 0.1000 0.1100 0.1750
Rotor Inertia (g-cm2) 7062.0 7768.2 12358.5
Thermal Resistance (C / Watts) 1.4 1.3 1.1
Weight (lbs) 13.0 15.0 21.0
Weight (Kg) 5.9 6.8 9.53
Number of Poles 4 4 4

DPP720 Winding Options
Imperial Models 355V60 355V90 355V120 455V60 455V90 455V120 570V60 570V90 570V120
Metric Models 251V60 251V90 251V120 321V60 321V90 321V120 403V60 403V90 403V120
Design Voltage (VDC) 60 90 120 60 90 120 60 90 120
Continuous Current (Amps) 12 8 6 13 8 6 15 11 8
Peak Current (Amps) 42 29 22 52 35 26 66 45 33
Voltage Constant ±10% (VDC/kRPM) 25.2 36.3 49.0 29.4 44.1 58.8 32.4 47.2 64.9
Torque Constant ±10% (oz-in / Amp) 34.2 49.2 66.2 39.8 59.6 79.5 43.8 63.8 87.8
Torque Constant ±10% (Ncm / Amp) 24.151 34.743 46.747 28.105 42.087 56.139 30.930 45.053 62.000
Resistance ±10% (Ohms) 0.72 1.31 2.04 0.64 1.21 1.89 0.54 0.9 1.55
Inductance ±10% (mH) 1.5 3.2 5.8 1.4 3.1 5.5 1.1 2.3 4.3
Motor Constant (oz-in / √ Watt) 40.32 42.99 46.39 49.82 54.25 57.78 59.74 67.21 70.58
Motor Constant (Nm / √ Watt) 4.56 4.86 5.24 5.63 6.13 6.53 6.75 7.59 7.97
Electrical Constant (msec) 2.14 2.43 2.83 2.16 2.57 2.91 1.99 2.52 2.78
Mechanical Constant (msec) 8.71 7.66 6.58 6.39 5.39 4.75 6.98 5.52 5.00

Speed / Torque Curves

torque_dpp726t-355.gif torque_dpp727t-455.gif torque_dpp728t-570.gif

Dimensional Drawing

Model MAX
Length
Encoder
MAX
Length
No Encoder
A B C D E F G H I J
Front Shaft Diameter Front Shaft Length Pilot Diameter Pilot Length
(Ref)
Mounting Hole Pattern
(Ref)
Mount Hole Spacing
(Ref)
Flange External Dimension
(Ref)
Rear Shaft Diameter Rear Shaft Length Encoder Length
(Ref)
DPP726T 10.67 in 9.41 in 0.6250 in
0.6245 in
2.000 in
±0.03
3.000 in
2.997 in
0.150 in (4) 0.390 DIA THRU
EQ SP on
4.817 D.B.C.
3.406 in 4.00 in SQ N/A N/A N/A
DPP727T 11.42 in 10.16 in
DPP728T 12.91 in 11.65 in
DPP726MT 271 mm 239 mm 16.00 mm
15.99 mm
40 mm
±0.762
95.00 mm
94.92 mm
3.8 mm (4) 10 mm DIA THRU
EQ SP on
122.34 mm D.B.C.
86.51 mm 102 mm SQ N/A N/A N/A
DPP727MT 290 mm 258 mm
DPP728MT 328 mm 296 mm

Technical Drawing

Drive Compatibility

Please contact ElectroCraft if the drive you are searching for is not included in the charts below.

Please contact us for drive compatibility information on this motor series.

Documents & Downloads

Download Description
DPP720 Data Sheet (US) Download Data Sheet (PDF)