What the ILE2T661PC1A0 is — and where it sits on a machine
The ILE2T661PC1A0 is a Schneider Electric Lexium ILE integrated drive — a brushless DC motor with the servo amplifier built into the same housing, sized to a 66 mm flange footprint and terminated through an industrial connector rather than a hard-wired pigtail. The combination collapses the traditional motor-plus-separate-drive architecture into a single 4.8 in (122 mm) long unit that bolts onto the machine frame.
Speed, torque, and the 24 V vs 48 V decision
Nominal speed is 4800 rpm at 24 V and 6000 rpm at 48 V, with a nominal torque of 0.26 N·m at either bus voltage — meaning the higher bus delivers speed headroom while torque output stays flat, so 48 V is the right choice when the cycle demands faster moves, and 24 V is the right choice when the bus is shared with other 24 VDC loads on the machine. Peak stall torque is 0.43 N·m and the drive will pull up to 7 A peak / 5.5 A maximum continuous, so sizing the upstream 24 V or 48 V supply must be done on the peak figure, not the continuous — a supply that can comfortably source 5.5 A continuous will still sag under the 7 A transient unless it is sized with that headroom in mind. Continuous mechanical output is 131 W at 24 V and 163 W at 48 V, which lines up with the medium-speed, medium-torque winding class — a useful match for conveyors, indexing tables, and small-format pick-and-place axes where high dynamic torque matters less than smooth speed across the working range.
Mechanical envelope — flange, shaft, no gearbox, no brake
The drive bolts on through a 66 mm flange with a 2 mm centring collar and an 8 mm untapped shaft 25 mm long, so any coupling or pulley fitted to the shaft must be clamped or bonded — there is no thread to take a set screw, and the spec sheet explicitly lists the shaft end as untapped. No holding brake, no second shaft end, no integrated gearbox — the ILE2T661PC1A0 is a 1:1 BLDC drive, and any external reduction, holding, or back-stopping has to be designed in at the machine level.
Protective functions, feedback, and standards compliance
Protection covers overload of output voltage, short circuit of the output voltage, and safe torque off (STO) — the STO function in particular matters for any application where the integrated drive sits inside a guarded hazard zone, because it removes motor torque without removing bus power, a pattern aligned with EN 61800-3:2001 second-environment EMC and IEC 61800-3 EMC for adjustable-speed drives. Feedback is a BLDC encoder with ±0.5° accuracy, which is more than adequate for point-to-point positioning at the 4800–6000 rpm range but would be the limiting factor on any axis requiring sub-degree repeatability on a multi-turn index. Cooling is by natural convection only — there is no fan, no blower, and no liquid path, so the drive must be mounted with adequate clearance around the housing or the 5.5 A continuous current figure will derate in a sealed enclosure.
I/O, comms, and the four signal lines
Four signals are available, each usable as either an input or an output, and comms run at 10/100 Mbit/s — enough for the typical point-to-point or small-network motion cell where the ILE is wired back to a PLC or small motion controller.
Environment and mounting limits
The unit is rated to 20 m/s² vibration across 10–500 Hz over 10 cycles per IEC 60068-2-6, and 150 m/s² shock across 1000 shocks per IEC 60068-2-29 — sufficient for most panel-side and light-machine-frame installations, with operating altitude limited to 1000 m without derating and relative humidity held between 15% and 85% non-condensing.
Sourcing posture for the ILE2T661PC1A0
The ILE2T661PC1A0 sits in the Lexium integrated drive family with recorded as current, and there is no official successor or cross-reference on the record — for production BOMs the right move is to specify it against the BOM quantity with the Lexium line still active, and have the RFQ confirm pricing and lead time at quote time rather than relying on a published stock figure.