Appendix A
144 M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.com
Device Series MMX32
Notes
Symbols used in technical data and formulas.
Contact the Eaton Drives Technical Resource Center for technical data.
MMX32AA…NO-O Symbols
Unit 1D7 2D4 2D8 3D7 4D8 7D0 011 017 025 031 038
Rated operational current I
e
A 1.7 2.4 2.8 3.7 4.8 7 11 17.5 25 31 38
Overload current for 60s
every 600s at 122°F (50°C)
I
L
A 2.6 3.6 4.2 5.6 7.2 10.4 14.4 26.3 37.5 46.5 57
Starting current for 2s
every 20s at 122°F (50°C)
I
L
A 3.4 4.8 5.6 7.4 9.6 14 19.2 35 50 62 76
Apparent power at rated
operation
230V S kVA 0.68 0.96 1.12 1.47 1.91 2.79 3.82 7 10 12.4 15.1
240V S kVA 0.71 0.99 1.16 1.54 1.99 2.91 3.99 7.3 10.4 12.9 15.8
Assigned motor rating 230V P kW 0.25 0.37 0.55 0.75 1.1 1.5 2.2 4 5.5 7.5 11
HP 1/4 1/2 3/4 1 1-1/2 2 3 5 7.5 10 15
Power side (primary side)
Number of phases Three-phase
Rated voltage U
LN
V 208V –15%–240V +10%, 50/60 Hz
(177–264V ±0%, 45–66 Hz ±0%)
Input current I
LN
A 2.7 3.5 3.8 4.3 6.8 8.4 13.4 20.6 30.3 36.6 44.6
Maximum leakage current
to ground (PE) without
motor
MMX32...N_ I
PE
mA 8.6 8.6 8.6 16.1 16.1 16.1 8.6 14 14 9 9
Braking torque
Default M/M
N
% 30 30 30 30 30 30 30 30 30 30 30
Brake chopper with
external braking
resistance
— — — Max. 100% rated operational current
I
e
with external braking resistance
Minimum braking
resistance
R
B
ohms — — — 35 35 35 26 14 14 9 9
Switch-on threshold for
the braking resistor
U
DC
Vdc — — — Programmable P12.6 440 440 440 440
DC braking I/I
e
% 100, adjustable
Pulse frequency f
PWM
kHz 6 (adjustable 1–16)
Heat dissipation at rated
operational current (I
e
)
P
v
W 17.4 23.7 28.3 37.9 48.4 63.8 84
Efficiency h 0.93 0.94 0.95 0.95 0.96 0.96 0.96
Fan (device-internal,
temperature-controlled)
Installation size FS1 FS1 FS1 FS2 FS2 FS2 FS3 FS4 FS4 FS5 FS5
Weight m Lbs
(kg)
1.2
(0.55)
1.2
(0.55)
1.2
(0.55)
1.5
(0.7)
1.5
(0.7)
1.5
(0.7)
2.2
(0.99)
17.6
(8.0)
17.6
(8.0)
22.1
(10.0)
22.1
(10.0)
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