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IronHorse® General Purpose AC Motors User Manual – 10th Ed. Rev A – 01/06/2021
Chapter 1: Getting Started
MtdP O
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– f
eatures
and
s
PecificatiOns
IronHorse
®
MTDP, open drip-proof motors range in size from
1hp to 50hp at 1800 rpm and 3hp, 5hp, and 7.5 hp at 3600 rpm.
Frame sizes are available from 143T to 326T. All models have a
rolled steel frame; frames sizes up to 256T have cast aluminum
end bells, while frame sizes of 284T or larger have cast iron end
bells. All frame sizes have a fixed base.
s
PecificatiOns
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Motor Specifications – MTDP Open Drip-Proof Three-Phase Motors (60Hz except as indicated)
Part Number
HP
Base
RPM
Voltage
Ser
vic
e
Fact
or
NEMA Design
NEMA
Fr
ame
Housing
F.L. Amps @
208/230V/460V
60Hz
Approx
Weight
(lb)
@ 60Hz (50Hz)
1800 RPM
1
1800
208-
230/460
1�15
(sine),
1�0
(drive)
BB
143T
ODP
IP23ODP
2�9 / 2�6 / 1�3
33�1
3�1/2�8/1�4*
1 1/2
1800
208-
230/460
145T
4�6 / 4�2 / 2�1
34�2
2
1800
208-
230/460
145T
5�9 / 5�4 / 2�7
38�6
3
1800
208-
230/460
182T
7�9 / 7�6 / 3�8
68�3
8�7/7�8/3�9*
5
1800
208-
230/460
184T
13�6 / 12�4 / 6�2
91�5
13�7/12�4/6�2*
7 1/2
1800
208-
230/460
213T
20�7 / 18�8 / 9�4
140�2
21�7/19�6/9�8*
10
1800
208-
230/460
215T
28�3 / 25�6/12�8
156�0
15
1800
208-
230/460
254T
37�6 / 34�2 / 17�1
214�9
38�5/34�8/17�4*
20
1800
208-
230/460
256T
49�5 / 45�0 / 22�5
260�1
51�5/46�6/23�3*
25
1800
208-
230/460
284T
66�3 / 60�0 / 30�0
300�0
30
1800
208-
230/460
286T
79�4 / 71�8 / 35�9
330�0
77�6/70�2/35�1*
40
1800
208-
230/460
324T
105�6 / 95�8 / 47�9
440
50
1800
208-
230/460
326T
130�3 / 117�4 / 58�7
470
131�2/118�6/59�3*
3600 RPM
3
3600
208-
230/460
1�15
(sine),
1�0
(drive)
B
145T
ODP
IP23
7�9 / 7�2 / 3�6
39�7
8�2/7�4/3�7*
MTDP-005-3BD36
5
3600
208-
230/460
182T
12�3 / 11�8 / 5�9
64�9
MTDP-7P5-3BD36
7�5
3600
208-
230/460
184T
18�9 / 17�2 / 8�6
78�1
19�2/17�4/8�7*
*These specifications apply to motors manufactured after September 2020
Note: Please review the AutomationDirect Terms & Conditions for warranty and service on this product.