Schneider Electric BCH1304N12A1C BCH Series Servo Motor — 2.0 kW, 220 V Three‑Phase, 3000 rpm Max, Keyed Shaft 22 mm (8 mm Key), 20‑bit Incremental Encoder, No Brake, IP40

Product overview The Schneider Electric BCH1304N12A1C is a BCH series industrial servo motor engineered for high-performance closed-loop motion control. This variant provides 2.0 kW continuous power at 220 V (three‑phase), a keyed 22 mm shaft (8 mm key), a 20‑bit incremental encoder for high-resolution feedback, and is supplied without an integrated holding brake. Note: this model was discontinued and reached end-of-service on 31 Dec 2023.

Key specifications

• Manufacturer: Schneider Electric
• Model: BCH1304N12A1C (BCH series)
• Continuous power: 2.0 kW (2000 W)
• Rated supply voltage: 220 V (three‑phase)
• Network phases: Three phase
• Maximum mechanical speed: 3000 rpm
• Continuous stall current: 11.01 A
• Shaft: keyed; diameter 22 mm; key width 8 mm; shaft length 47 mm
• Feedback: 20‑bit incremental encoder
• Holding brake: without (no integrated brake)
• Mounting: Asian standard flange; motor flange size 130 mm
• Rotor inertia: 14.59 kg·cm²
• Torque constant: 0.87 N·m/A
• Back EMF constant: 31.8 V/krpm at 20 °C
• Stator resistance: 0.348 Ω at 20 °C
• Stator inductance: 5.52 mH at 20 °C
• Stator electrical time constant: 15.86 ms at 20 °C
• Maximum radial force (Fr): 490 N
• Maximum axial force (Fa): 98 N
• Cooling: natural convection
• Protection: IP40
• Length: 187.5 mm
• Number of motor stacks: 4
• Centring collar: Ø110 mm, depth 6 mm
• Mounting holes: 4 × Ø9 mm on PCD 145 mm
• Distance shaft shoulder–flange: 47 mm
• Net weight: 7.8 kg
• Packaged dimensions (L×W×H): 37.0 × 29.0 × 24.0 cm; package weight: 10.366 kg
• Warranty (contractual): 18 months

Features & benefits

• 2.0 kW continuous output and 3000 rpm maximum for demanding axis drives.
• High-resolution 20‑bit incremental encoder for precise positioning and smooth closed-loop control.
• Robust mechanical interface with keyed 22 mm shaft (8 mm key) for secure torque transmission.
• Natural convection cooling simplifies installation; standard 130 mm flange eases OEM integration.
• Designed for use with Lexium 23 Plus drive family (verify compatibility per documentation).

Applications

• Robotics, pick-and-place and gantry axes
• Packaging and material handling machinery
• Indexing tables, rotary actuators and precision OEM systems
• Machine retrofits requiring three-phase 220 V supply and high-resolution feedback

Installation and service notes

• Confirm mechanical and electrical compatibility with the intended drive and system before installation.
• This product is discontinued (EOS 31 Dec 2023); plan spares and service accordingly and consult Schneider Electric customer support for repair options or recommended replacements.
• Follow Schneider Electric mounting, wiring, EMC and grounding guidelines. Operate in ambient 0–40 °C and IP40 environments.

Documentation

• Refer to the official product datasheet, user guide, CAD files and environmental disclosure available from Schneider Electric for full drawings, connector pinouts and detailed technical data.