VFD vs Servo Drive: Key Differences
A side-by-side comparison of VFD and servo drive motor type, feedback, dynamic response, overload rating, cost, and applications for industrial engineers.
The Schneider Electric BCH18MB0133CF5C pairs the 100 W, 0.32 N·m Easy Lexium 18 BCH18 motor frame with a 23-bit multi-turn absolute encoder and an integrated 0.35 N·m holding brake. Continuous stall current is 1.1 A on the 40 mm flange, medium-inertia (0.076 kg.cm²) rotor. The absolute encoder keeps position data after a power loss, and the brake holds the axis once drive torque drops out.
This variant stacks both options onto the 100 W, 40 mm-flange frame: a 23-bit multi-turn absolute encoder so the axis never needs re-homing, and a 0.35 N·m holding brake so a vertical load does not drop when the drive disables. The combination adds weight — 0.69 kg against 0.43 kg for the brakeless BCH18MB0133CA5C — which matters on a fast-moving low-mass axis but is a fair trade on a lift or Z-axis application. Drive sizing follows the 1.1 A continuous stall current, with the 3.9 A maximum permanent current reserved for short accelerations. As with the rest of the medium-inertia M-series motors in this range, it is built for load-inertia-matched axes rather than very fast point-to-point cycling. Maximum mechanical speed is rated to 6000 rpm, twice the 3000 rpm nominal speed used above, which leaves margin for brief overspeed during deceleration moves. IP67 sealing and the two-connector male/female power and feedback interface are shared across the Easy Lexium 18 BCH18 range, so this fully-optioned 100 W motor uses the same cabling and enclosure design as the brakeless and lower-spec variants.
| Range of product | Lexium 18 |
|---|---|
| Range compatibility | Lexium 18 |
| Product or component type | Servo motor |
| Device short name | BCH18 |
| Maximum mechanical speed | 6000.0 rpm |
|---|---|
| [Us] rated supply voltage | 220 V |
| Continuous stall current | 1.1 A |
| Continuous stall torque | 0.32 N.m, 220 V |
| Continuous power | 100 W |
| Peak stall torque | 1.12 N.m, 220 V |
| Nominal output power | 100 W, 220 V |
| Nominal torque | 0.32 N.m, 220 V |
| Nominal speed | 3000 rpm, 220 V |
| Maximum current Irms | at 0.1 kW, 220 V |
| Maximum permanent current | 3.9 A |
| Product compatibility | Motion servo drive motion servo motors motor at 0.1 kW, 220 V |
| Shaft end | Parallel key |
| Shaft diameter | 8.0 mm |
| Shaft length | 25.0 mm |
| Key width | 3.0 mm |
| Feedback type | 23 bits optic multi turn encoder |
| Holding brake | With |
| Holding torque | 0.35 N.m |
| Mounting support | Asian standard flange |
| Motor flange size | 40 mm |
| Electrical connection | 2 connectors male/female |
| Number of motor poles | 5.0 |
| Rotor inertia | 0.076 kg.cm² |
| Stator resistance | 21.0 Ohm |
| Stator inductance | 26.1 mH |
| Maximum radial force Fr | 78 N |
| Maximum axial force Fa | 54 N |
| Length | 132.8 mm |
| Number of mounting holes | 2 |
| Circle diameter of the mounting holes | 4.5 mm |
| Width | 132.8 mm |
| Height | 42 mm |
| Depth | 49.75 mm |
| Net weight | 0.69 kg |
| Network number of phases | 3 |
| Encoder type | Optic encoder |
| Inertia | 0.076 kg.cm² of brake, 0.0 kg.cm² of motor |
| IP degree of protection | IP67 |
|---|
| Part number | BCH18MB0133CF5C |
|---|---|
| Type designation | BCH18 |
| Brand | Schneider Electric |
| Condition | New, factory sealed |
| Source | Schneider Electric and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| Warranty (in months) | 18 |
|---|
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 9.2 cm |
| Package 1 Width | 9.1 cm |
| Package 1 Length | 26.8 cm |
| Package 1 Weight | 882 g |
| Unit Type of Package 2 | S03 |
| Number of Units in Package 2 | 12 |
| Package 2 Height | 30 cm |
| Package 2 Width | 30 cm |
| Package 2 Length | 40 cm |
| Package 2 Weight | 10.584 kg |
| Shipping weight | 0.69 kg |
| Ships from | Türkiye |
| Dispatch | — |
| Stock | On request |
Source: manufacturer data · Last verified: 30 Oct 2026
No documents are on file for this part yet.
Ask us for the datasheetThe rated current of BCH18 is 1.1 A.
The rated motor power of BCH18 is 0.1 kW.
The tariff (HS) code on file for BCH18 is 850152.
BCH18 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival.
A side-by-side comparison of VFD and servo drive motor type, feedback, dynamic response, overload rating, cost, and applications for industrial engineers.
Discover how Schneider soft starters reduce mechanical stress, cut energy peaks, and extend motor life across demanding industrial uses. Shop at Stoklink.
Schneider soft starters reduce energy costs by limiting inrush current, lowering demand charges, and minimizing mechanical wear on motors. Shop at Stoklink.