DP25 : DirectPower™ PMDC Motor

Size: Nema 25
Peak Torque: to 215 oz-in or 151.8 Ncm



Better-Performance. Good Price.
Our ElectroCraft DirectPowerTM Nema 25 is a conventional brush-type permanent magnet DC motor. It provides torque up to 215 oz-in or 151.8 Ncm.

DP25 Speed / Torque Curves

torque_dp25-30.gif torque_dp25-35.gif torque_dp25-45.gif

DP25 Mechanical / Winding Data

DP25 Stack/Torque Sizes
Stack Size Models DP25-30 DP25-35 DP25-45
Continuous Stall Torque (oz-in) 30 30 45
Continuous Stall Torque (Ncm) 21.18 21.18 31.77
Peak Torque (oz-in) 142 142 215
Peak Torque (Ncm) 100.27 100.27 151.81
Motor Constant (oz-in / Watt) 0.00 0.00 0.00
Electrical Constant (msec) 0.00 0.00 0.00
Mechanical Constant (msec) 0.00 0.00 0.00
Rotor Inertia (oz-in-sec2) 0.0000 0.0000 0.0000
Rotor Inertia (gm-cm2) 0.0 0.0 0.0
Thermal Resistance (C / Watts) 3.5 3.1 3.7
Weight (oz) 41.6 52.8 62.4
Weight (Kg) 1.2 1.5 1.8
Length (inches) 4.0 4.5 5.0
Length (cm) 10.2 11.4 12.7
Number of Poles 2 2 2

DP25 Winding Options
Winding Models 30V12 30V24 35V12 35V24 45V12 45V24
Design Voltage
(VDC)		 12 24 12 24 12 24
Continuous Current
(Amps)		 9 5 10 5 8 4
Peak Current
(Amps)		 32 16 40 20 30 16
Voltage Constant
±10%
(VDC/kRPM)		 3.3 6.6 3.5 7.0 4.9 9.7
Torque Constant
±10%
(oz-in / Amp)		 4.4 8.9 4.7 9.4 6.6 13.2
Torque Constant
±10%
(Ncm / Amp)		 3.107 6.285 3.319 6.638 4.661 9.321
Resistance
±10%
(Ohms)		 0.3 0.6 0.2 3.0 0.3 3.0
Inductance
±10%
(mH)		 0.3 1.2 0.3 0.8 0.4 1.0