Beckwith Electronics


Hamburg, Illinois 62045
(618) 232-1139

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Hurst Manufacturing


Hurst BLDC 4821-003 Compact Size Brushless DC Motor BRUSHLESS DC MOTORS:
BLDC Series
MODEL 4821-003 SPECIFICATIONS
Discontinued for reference only



Geared Brushless DC Motor

BLDC
Model
Number
Cont.
Torque
Oz-In
(Nom)
Peak
Torque
Oz-In
(Max)
Rotor
Inertia
Oz-In-Sec2
(+10%)
Therm
Resistance
°C/Watt
(+10%)
Therm
Time
Constant
min(nom)
Max
Allowable
Winding
Temp °C
Winding
Type
Poles Radial
Load
Oz(max)
Axial
Load
Oz(max)
Weight
Oz(nom)
4821-003 15 85 .0015 7 15 120 8 125 75 25


Winding Characteristics*

BLDC
Model
Number
Input
Voltage
VDC(max)
Ke
VOLTS/krpm
(+10%)
Kt
Oz-In/AMP
(+10%)
Phase
Resistance
OHMS
(+10%)
Phase
Induction
MIL-H
(+10%)
Cont.
Current
amp
Peak
Current
amp
4821-003 40 6.14 8.3 2.0 3.0 1.8 10.2
*Motor mounted on a 4" x 4" x 1/8" Steel Plate.
Note: Operating volatages of 12 to 40 volts and/or other speed ranges and torques are available.

Pin #Function
1Winding Phase A
2Winding Phase B
3Winding Phase C
4Motor Case Ground
5NC
6NC
7Commutator S2 Output
8Commutator S3 Output
9Commutator S1 Output
10NC
11NC