What this MH3 frame is sized to do
The Schneider Electric MH31901P01F2200 is a three-phase servo motor from the MH3 device family, sized to a 190 mm international-standard flange and built around a single-turn SinCos Hiperface encoder on a 38 mm smooth shaft. It carries a 32 N.m holding torque, a 16.5 N.m nominal torque when driven from an LXM52 or LXM62 drive at 400 V or 480 V three-phase, and a 3000 rpm nominal speed — the continuous envelope the BOM line needs to land against. Peak stall torque reaches 110 N.m across the 115 to 480 V three-phase window, with an 89.61 A Irms and matching 3-second peak current ceiling — the headroom the integrator reads when sizing the drive's current limit and the mechanical gearbox ratio.
Why the holding brake and IP65 rating matter on the line
IP65 standard sealing lets the motor sit near washdown or coolant splash zones that would rule out an unsealed servo — food-and-bev lines, machine-tool coolant areas, and outdoor equipment enclosures are the natural deployment context. Electrical connection is via rotatable right-angled connectors, so the cable exit can follow the cabinet routing without forcing a service loop — a small but real panel-build time-saver on retrofits where the drive has been relocated.
Mechanical envelope and shaft load
Overall length is 248 mm with a 80 mm shaft extension and a 180 mm centring collar at 4 mm depth, drilled for 14 mm mounting holes on the international-standard flange — the standard servo footprint that mates to most gearboxes and planetary reducers without an adapter plate. Maximum radial force Fr is derated with speed: 2900 N at 1000 rpm, 2750 N at 2000 rpm, 2650 N at 3000 rpm, and 2600 N at 4000 rpm — the curve that decides whether the coupling sits close to the shaft shoulder or needs an outboard support bearing. The smooth shaft end (no second shaft) keeps the BOM clean for a single-ended coupling, and the 5-pole rotor at natural-convection cooling defines the thermal envelope: 135 °C copper-hot limit, 120 °C torque-constant reference, 1.3 N.m/A.
Matching the drive and reading the motor constants
Back-EMF constant of 87.6 V/krpm and stator resistance of 0.24 Ohm with 5.08 mH stator inductance are the values the LXM52 or LXM62 drive uses to model the motor during commissioning — confirming them on the nameplate before autotune avoids a current-loop mismatch on first power-up. Nominal output power is 5.18 W at both 400 V and 480 V three-phase operation, which confirms the winding is wound for the 400/480 V class drives the series is designed around.
Lifecycle posture and sourcing channel
The part's lifecycle stage reads as current in the catalog record, with no official successor or cross-reference listed — the BOM line can be specified against the standard part number without a last-time-buy clock running. Quoted to order through independent distribution against the BOM quantity; availability, lead time, and volume pricing are confirmed at RFQ.