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Brushless DC Motors
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Slotless Brushless DC Motors
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Item # SL2844-24-170
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Item # SL2844-24-170, 75 Millinewton Meter (mN·m) Peak Torque Slotless Brushless DC Motor
larger image
An
Elinco
slotless brushless DC (SBLDC) motor consists of a stator winding positioned inside a laminated stator ring (without conventional teeth) and a permanent magnet motor. This provides more peripheral space for the stator winding.
This also allows more magnet surface area and more air gap flux. Powerful rare earth magnets provide high torque to motor weight ratios. The absence of stator teeth enables more winding copper and power density which can develop more torque. It also eliminates torque cogging and minimizes audible noise.
Unit of Measure:
Imperial
Metric
Both
Specifications
Dimensions
Customize
Product Type
Brushless DC Motor
Lead Number
1
2
3
4
5
6
7
8
Color for Lead Number 1
Red
Color for Lead Number 2
Brown
Color for Lead Number 3
White
Color for Lead Number 4
Orange
Color for Lead Number 5
Black
Color for Lead Number 6
Yellow
Color for Lead Number 7
Blue
Color for Lead Number 8
Green
Lead Gauge for Lead Number 1
American Wire Gauge (AWG) 26
Underwriters Laboratories (UL) 1332
Lead Gauge for Lead Number 2
American Wire Gauge (AWG) 26
Underwriters Laboratories (UL) 1332
Lead Gauge for Lead Number 3
American Wire Gauge (AWG) 26
Underwriters Laboratories (UL) 1332
Lead Gauge for Lead Number 4
American Wire Gauge (AWG) 26
Underwriters Laboratories (UL) 1332
Lead Gauge for Lead Number 5
American Wire Gauge (AWG) 26
Underwriters Laboratories (UL) 1332
Lead Gauge for Lead Number 6
American Wire Gauge (AWG) 22
Underwriters Laboratories (UL) 1332
Lead Gauge for Lead Number 7
American Wire Gauge (AWG) 16
American Wire Gauge (AWG) 18
American Wire Gauge (AWG) 20
American Wire Gauge (AWG) 22
Lead Gauge for Lead Number 8
American Wire Gauge (AWG) 22
Underwriters Laboratories (UL) 1332
Electric Function for Lead Number 1
Voltage Collector Collector (Vcc)
Electric Function for Lead Number 2
Hall A
Electric Function for Lead Number 3
Hall B
Electric Function for Lead Number 4
Hall C
Electric Function for Lead Number 5 (Hall Negative)
GND (Ground)
Electric Function for Lead Number 6
Motor U
Electric Function for Lead Number 7
Motor V
Electric Function for Lead Number 8
Motor W
Winding Type
Star
Hall Effect Electrical Angle
120
º
Radial Play at 460 Gram (g) Load
0.025
mm
End Play at 4000 Gram (g) Load
0.3
mm
Maximum Radial Force
60
N
Maximum Axial Force
15
N
Insulation Class
Class F
Minimum Insulation Resistance for 500 Volt (V) Direct Current (DC) Voltage
100
MO
Number of Poles
2
Number of Phase
3
Direct Current (DC) Rated Voltage
24
V
No Load Current
0.35
A
Motor Frame Size
28 x 44
mm
Rated Torque
24
mN·m
Rated Torque
24
mN·m
Rated Speed
14000
rpm
No Load Speed
17000
rpm
Rated Power
37
W
Peak Torque
75
mN·m
Peak Current
6.3
A
Line to Line Resistance at 25 Degree Celsius (ºC) Temperature
2.1
O
Line to Line Inductance
0.22
mH
Torque Constant
13.2
mN·m/A
Back Electromotive Force (EMF) Constant
0.98
Vrms/Krpm
Rotor Inertia
7.5
g·cm²
Body Length
44
mm
Weight
135
g
DOWNLOADS
Elinco Slotless BLDC Catalog
(PDF, 1359KB)
Why Slotless
(PDF, 238KB)
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