E30 : E-Series BLDC Motor
Size: 3.0-in or 7.6 cm
Peak Torque: to 245 oz-in or 173 Ncm



High-Performance. High Torque-to-Weight.
The E30 series offers reliable performance in a small package for your low voltage, lower torque range applications. This series features an economic design available in both closed and open shell configurations. The E30 series supports application speeds up to 7,500 RPM while providing long reliable performance.

E30 Speed / Torque Curves

e30e30

E30 Mechanical / Winding Data

Stack Size Models E30 - 42 E30 - 77
Continuous Stall Torque (oz-in) 42 77
Continuous Stall Torque (Ncm) 29.66 54.37
Peak Torque (oz-in) 145 245
Peak Torque (Ncm) 102.38 172.99
Motor Constant (oz-in / Watt) 10.70 19.80
Electrical Constant (msec) 1.82 2.73
Mechanical Constant (msec) 11.19 6.13
Rotor Inertia (oz-in-sec2) 0.0090 0.0170
Rotor Inertia (gm-cm2) 635.6 1200.5
Thermal Resistance (C / Watts) 2.5 2.4
Weight (oz) 49.6 80.0
Weight (Kg) 1.4 2.3
Length (inches) 4.3 5.3
Length (cm) 10.9 13.5
Number of Poles 4 4

Winding Models E30 - 42V48 E30 - 42V60 E30 - 42V160 E30 - 77V48 E30 - 77V60 E30 - 77V160
Design Voltage
(VDC)
48 60 160 48 60 160
Continuous Current
(Amps)
4 3 1 7 6 3
Peak Current
(Amps)
10 9 4 17 16 7
Voltage Constant
±10%
(VDC/kRPM)
12.0 13.1 30.0 12.0 12.9 30.1
Torque Constant
±10%
(oz-in / Amp)
16.2 17.7 40.6 16.2 17.4 40.7
Torque Constant
±10%
(Ncm / Amp)
1.144 1.250 2.867 1.144 1.229 2.874
Resistance
±10%
(Ohms)
2.4 2.6 14.8 0.7 0.8 4.2
Inductance
±10%
(mH)
4.2 5.0 26.1 1.8 2.1 11.5

E30 Outline Drawing

e30e30

E30 Commutation Sequence

hall diagram