M-Max Series Overview10 M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.comGeneral Rated Operational Data, continuedNotes Symbols used in technical data and formulas. 122°F (50°C) with lateral clearance of 0.79 in (20 mm) and reduced pulse frequency 4 kHz and altitude 1000m.Description Symbols Unit SpecificationPower SectionRated operational voltage f LN Hz at 50/60MMX11 U e Vac 1~115 (110 –15% to 120 +10%)MMX12 U e Vac 1~230 (208 –15% to 240 +10%)MMX32 U e Vac 3~230 (208 –15% to 240 +10%)MMX34 U e Vac 3~400 (380 –15% to 480 +10%)MMX35 U e Vac 3~575 (–15% to +10%)Input switch-on frequency — — Maximum one time per minuteInput current THD % >120Short-circuit current I K kA Maximum <50Input frequency f LN Hz 50/60 (45–66 Hz ±0%)Pulse frequency(switching frequency of the inverter)f PWM kHz 1–16 (default = 6 kHz) Operating mode — — V/f characteristic curve control (FS), speed control with slipcompensationOutput voltage U 2 V 3 AC 230 (MMX11), 3 AC Ue (MMX12, MMX32, MMX34, MMX35)Output frequency f 2 Hz 0–320Frequency resolution (setpoint value) I Hz 0.01Rated operational current I/I e % 100% continuous current at maximum 122°F (50°C) ambient temperatureOverload current I/I e % 150 for 60s every 600sStarting current I/I e % 200 for 2s every 20sBraking torque M B /M N % 30 for all sizesUp to maximum 100% M N only as of size MMX34…4D3_ with externalbraking resistanceControl SectionControl voltage (output) U c Vdc 24, max. 50 mAReference voltage (output) U s Vdc 10, max. 10 mAInput, digital, parameter definable — — 6x, max. +30 Vdc, R i >12k ohmsPermitted residual ripple with externalcontrol voltage (+24V)— — Max. 5% U a /U aInput, analog, parameterizable,selection via microswitches— — 2 x 0 (2) to +10 Vdc, R i >200k ohms or 0 (4) to 20 mA, R B ~200 ohmsResolution — Bit 10Output, digital, parameter definable — — 1 x transistor: 48 Vdc, max. 50 mAOutput relay, parameter definable — — 1 x N/O: 250 Vac, maximum 2A or 250 Vdc, max. 0.4AOutput relay, parameter definable — — 1 x changeover contact: 250 Vac, maximum 2A or 250 Vdc, maximum 0.4ASerial interface — — RS485/Modbus® RTU