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Permanent Magnet
SCR Rated DC Motors
NEMA 56C Frame Encoder-Ready, 1⁄4 to 2 HP
OMPM-DCE
Series
All steel constructed
junction box and cover
as well as fan cover
Low profile
compact design
NEMA 56C flange for
precision direct-couple
mount and reduced
vibration
Totally enclosed
fan cooled design
ensures maximum
cooling and long life
Heavy-duty, permanently
lubricated and sealed
ball bearings for long
motor life
NEMA 56-frame mount
(56H on 11⁄2 and 2 HP)
U NEMA 56C Frame Size
1
U
⁄4 to 2 HP, 1800 RPM
U 90 and 180 Control Voltage
U 20:1 Speed Range at Constant Torque
U High Starting Torque
U Permanently Lubricated Sealed
Ball Bearings
U Removable Bolt-On/Bolt-Off base
3
U TEFC Enclosure (
⁄4–2 HP)
U Class F Insulation
U 1.38 Service Factor
U Dynamic Breaking
Class F
insulation
Removable base made
of extra-strength steel
reduces vibration
OMPM-DC14-18-90V-56C-E,
shown smaller than actual size.
OMPM-DCE Series Permanent Magnet DC Motors
are design for long motor life with permanently
lubricated ball bearings and are TEFC (totally
enclosed fan cooled). The OMPM-DCE motors
have provisions for mounting the OMDC-PU-E
pick-up sensor directly on the fan end of the
shaft. All OMPM-DCE motors are constructed
from heavy duty gauge steel including frames,
endbells, mounting bases, junction boxes and
covers. The OMPM-DCE series DC motors are
specifically design for use with SCR controllers
where applications require torque throughout the
application and speed range, as well as adjustable
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Dimensions: mm (in)
ø = diameter
MOTOR LENGTH
DIMENSIONS: mm (in)
HP A B C
1 376.4 324.1 173.9
(14.82) (12.76) (6.85)
1
427.2 374.9 224.79
1
⁄
2
(16.82) (14.76) (8.85)
77.9
R
(3.07)
Hole Plug To Shaft Hole
10-32 UNF-2B 0.50 Deep Min
6.35 (0.25)
Nameplate
8.36
(0.34)
7/8
114.3
+
.000
(4.500)
-.003
(4) 3/8-16 UNC-2B
Equally Spaced
ON A
(3)
Knockouts
3.0
(0.12)
92.2
(3.63)
5.875 BC
45°
TYP
30.9
(1.22)
123.9
(4.88)
165.1
(6.50)
61.9
(2.44)
165.1 (6.50)
Scibed
Line
Locked
Bearing
88.9
+
(3.50)
-
2.6
(0.104)
169.4
(6.67)
.00
.06
207.5
(8.17)
A
B
Decal
Warning
76.2
(3.0)
95.25
(3.75)
C
143
(5.63)
.12
(0.065)
1.65
(2.75)
±.01
70
52.32
(2.06)
49.27
(1.94)
47.625
(1.875)
35.8
(1.41)
Full
Depth
.19 SQ x 1.38 Key
.6250
.6245
MOTOR LENGTH
DIMENSIONS: mm (in)
HP A B C
274.57 222.25 152.14
1
⁄
4
(10.81) (8.75) (5.99)
287.27 234.95 164.84
1
⁄
3
(11.31) (9.25) (6.49)
299.97 247.65 177.5
1
⁄
2
(11.81) (9.75) (6.99)
363.22 311.15 241.06
3
⁄
4
(14.31) (12.25) (9.49)
PICK-UP SENSORS
MODEL NO. DESCRIPTION
OMDC-PU-2E NPN pick-up sensor, 1 pulse per revolution
OMDC-PU-4E NPN pick-up sensor, 2 pulse per revolution
OMDC-PU-20E NPN pick-up sensor, 10 pulse per revolution
OMDC-PU-2E, NPN pick-up
sensor, shown smaller than
actual size.
OMDC-PU-40E NPN pick-up sensor, 20 pulse per revolution
OMDC-PU-20EQUAD NPN quadrature pick-up sensor, 10 pulse per revolution
ole lug
to Shat ole
10–32 UNF–2B
0.50 Deep in
Base Reoal arning Decal
On Frae Under Base
3.0
(0.12)
REF
131 (5.16)
A
(0.34)
Naeplate
8.63
B
76.2
(3.00)
101.6
(4.00)
53.32
(2.06)
69.85
(2.75)
3.175
(0.125)
1.524
(0.06)
124 (4.88)
49.02
(1.93)
49.02
(1.875)
35.8
(1.41)
Full
Depth
[4](3/8–16 UNC–2B
ON ø5.875 BC
(0.19 SQ. x 1.38)
Key
(1.22)
31
C
a rning
Decal
123.9
(4.88)
61.9
(2.44)
165.1(6.50)
(3) ø7/8
Knockouts
165.1
(6.50)
Locked
Bearing
+.000
160.27
(6.31)
174.75
3.500 – .060
3.02
(0.119)
(6.88)
202.4
(7.97)
REF
To Order
ARM TORQUE**
MODEL NO. VOLTAGE HP RPM AMPS* ENCLOSURE WEIGHT (ft lbs)
OMPMDC14-18-90V-56C-E 90
OMPMDC13-18-90V-56C-E 90
OMPMDC12-18-180V-56C-E 180
OMPMDC12-18-90V-56C-E 90
OMPMDC34-18-180V-56C-E 180
OMPMDC34-18-90V-56C-E 90
1
1750 2.5 TEFC 21 0.75
⁄
4
1
1750 3.5 TEFC 21 1
⁄
3
1
1750 2.5 TEFC 23 1.5
⁄
2
1
1750 5 TEFC 23 1.5
⁄
2
3
1750 3.8 TEFC 31 2.25
⁄
4
3
1750 7.6 TEFC 31 2.25
⁄
4
OMPMDC1-18-180V-56C-E 180 1 1750 5 TEFC 36 3
OMPMDC1-18-90V-56C-E 90 1 1750 10 TEFC 36 3
OMPMDC1.5-18-180V-56C-E 180 1
1
1750 7.6 TEFC 47 4.5
⁄
2
OMPMDC2-18-180V-145TC-E 180 2 1750 9.5 TEFC 75 6
* Armature Full Load Amps
** Torque rated at 1750 RPM (Torque = HP*5252/RPM)
Ordering Examples: OMPMDC14-18-90V-56C-E, 90 Volt, ¼ HP, 1750 RPM DC encoder-ready motor with maximum of 2.5 Arm Amps,
NEMA 56C frame and mounting base and OMDC-PU-2E pick-up sensor, $315 + 114 = $429.
OMPMDC1-18-180V-56C-E, 180 Volt 1 HP 1750 RPM DC encoder-ready motor with maximum of 5 Arm Amps, NEMA 56C frame and
mounting base and OMDC-PU-2E pick-up sensor, $465 + 114 = $579.
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