Schneider Electric BCH Series Servo Motors

Technical Dossier

Product Details And Specifications

Schneider Electric BCH Series: Comprehensive Module Range and Technical Overview

The Schneider Electric BCH Series (Lexium BCH) servo motors are deployed across global heavy industry sectors including petrochemical plants, nuclear power facilities, offshore platforms, and continuous-process refineries. Rated for high-cycle, high-torque applications, the BCH series integrates directly with Schneider's Lexium servo drive ecosystem (LXM05, LXM32, LXM62) and is compatible with CANopen, EtherCAT, Modbus, and PROFIBUS fieldbus architectures. Installed base spans hundreds of thousands of units across Asia-Pacific, Europe, and the Americas, making long-term spare parts availability a critical operational concern for plant maintenance engineers.

The Evolution of BCH Series Architecture

The BCH series was introduced as part of Schneider Electric's Lexium motion control platform, succeeding earlier Telemecanique and Elau servo motor lines. Early BCH variants (BCH0401, BCH0601) targeted compact machine tool and packaging applications with frame sizes from 40mm to 60mm. Mid-generation models expanded into 100mm and 130mm frame sizes (BCH1001, BCH1301, BCH1302, BCH1303, BCH1304) to address higher inertia loads in robotics, CNC machining centers, and material handling conveyors.

Encoder technology evolved from 2,500 PPR incremental encoders in early units to 17-bit and 23-bit absolute encoders in current production variants, enabling single-cable feedback (SFD3) and eliminating separate encoder wiring. Thermal protection migrated from bimetallic switches to embedded PTC thermistors with direct drive interface compatibility. The BCH2 sub-series introduced IP67 sealing and food-grade shaft options for wash-down environments. As of 2024, the BCH series is in mature/sustaining lifecycle phase; Schneider Electric continues to supply replacement units and spare parts, but new design-ins are directed toward the Lexium BCH2 and Lexium 62 platforms.

BCH Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked BCH series servo motors. Units are classified by frame size and torque rating.

40mm Frame (BCH04xx) — Compact Servo Motors

• BCH0401O12A1C: 40mm frame, 0.1 Nm continuous torque, 3,000 RPM, incremental encoder, single-phase 230V input.
• BCH0401O12F1C: 40mm frame, 0.1 Nm, 3,000 RPM, with holding brake, single-phase 230V.

60mm Frame (BCH06xx) — Light-Duty Servo Motors

• BCH0601O12A1C: 60mm frame, 0.3 Nm continuous torque, 3,000 RPM, incremental encoder, IP54.
• BCH0602O12A1C: 60mm frame, 0.6 Nm continuous torque, 3,000 RPM, incremental encoder, IP54.
• BCH0602O12F1C: 60mm frame, 0.6 Nm, 3,000 RPM, with holding brake, IP54.

100mm Frame (BCH10xx) — Medium-Duty Servo Motors

• BCH1001O12A1C: 100mm frame, 1.0 Nm continuous torque, 3,000 RPM, incremental encoder, IP54.
• BCH1002O12A1C: 100mm frame, 2.0 Nm continuous torque, 3,000 RPM, incremental encoder, IP54.
• BCH1003O12A1C: 100mm frame, 3.0 Nm continuous torque, 3,000 RPM, incremental encoder, IP54.
• BCH1003O12F1C: 100mm frame, 3.0 Nm, 3,000 RPM, with holding brake, IP54.

130mm Frame (BCH13xx) — Heavy-Duty Servo Motors

• BCH1301N32A1C: 130mm frame, 4.0 Nm continuous torque, 3,000 RPM, 17-bit absolute encoder, IP54, three-phase 400V.
• BCH1302N32A1C: 130mm frame, 6.0 Nm continuous torque, 3,000 RPM, 17-bit absolute encoder, IP54, three-phase 400V.
• BCH1303N32A1C: 130mm frame, 8.5 Nm continuous torque, 3,000 RPM, 17-bit absolute encoder, IP54, three-phase 400V.
• BCH1304N32A1C: 130mm frame, 12.0 Nm continuous torque, 3,000 RPM, 17-bit absolute encoder, IP54, three-phase 400V — the subject SKU of this listing.
• BCH1304N32F1C: 130mm frame, 12.0 Nm, 3,000 RPM, 17-bit absolute encoder, with holding brake, IP54, three-phase 400V.
• BCH1305N32A1C: 130mm frame, 15.0 Nm continuous torque, 3,000 RPM, 17-bit absolute encoder, IP54, three-phase 400V.
• BCH1305N32F1C: 130mm frame, 15.0 Nm, 3,000 RPM, 17-bit absolute encoder, with holding brake, IP54, three-phase 400V.

Sourcing Hard-to-Find & Obsolete BCH Series Parts

DriveKNMS maintains a dedicated inventory program for BCH series servo motors that have transitioned to end-of-life or limited-availability status. For plant operators running legacy Lexium 05 or Lexium 32 drive systems paired with BCH motors, direct OEM replacement is often constrained by long lead times (12–26 weeks) or formal discontinuation notices. DriveKNMS sources BCH units through authorized surplus channels, factory-refurbished stock, and cross-border procurement networks, providing verified alternatives with full traceability documentation. All units are supplied with test reports, and exchange programs are available for core returns. Lifecycle extension support includes encoder recalibration, winding resistance verification, and compatibility mapping to current Lexium BCH2 equivalents where direct substitution is feasible.

Quality Control for the BCH Series Range

BCH series servo motors present specific test requirements due to their integrated absolute encoder feedback systems and multi-pole winding configurations. DriveKNMS applies the following verification protocol to all BCH units prior to dispatch:

• Winding insulation resistance test (Megger, 500V DC, minimum 100 MΩ phase-to-ground).
• Winding resistance balance check across all three phases (tolerance ±2%).
• Encoder signal integrity verification: SIN/COS amplitude, index pulse, and absolute position data readback via Lexium drive commissioning software.
• Holding brake engagement/release force measurement (where applicable), verified against OEM torque specification.
• Bearing noise and shaft runout inspection (axial and radial play within OEM tolerance).
• IP54/IP67 seal integrity check on shaft entry and connector housing.
• Full dynamic run-in test at rated speed under load simulation where test bench capacity permits.