MOTOX C48-LA80M4 Helical Worm Gearmotor
The iconic MOTOX gearmotor series was originally created and engineered by FLENDER[cite: 4]. Following Siemens' acquisition of Flender, MOTOX was integrated into Siemens' drive portfolio under the 2KJ catalog line (2KJ1602 for C48)[cite: 4]. Subsequently, Siemens carved out its heavy-duty motors and gearmotors business under the INNOMOTICS brand[cite: 4]. Today, MOTOX products have transitioned back to the original manufacturing plants and authentic OEM supplier channels, ensuring 100% exact design continuity, mechanical interchangeability, and original quality standards[cite: 4].
The MOTOX C48-LA80M4 is a 2-stage right-angle helical worm gearmotor combining a high-efficiency primary helical gearing stage with a heavy-duty worm gear output set[cite: 4]. Cataloged under Siemens 2KJ order code 2KJ1602[cite: 4], the C48 size delivers nominal output torques up to 260 Nm and is paired with 0.55 kW LA80M4 motors[cite: 4]. Designed for quiet running, space-saving installation, and elevated mechanical efficiency over standard pure worm reducers[cite: 4], MOTOX C series gearmotors are available in versatile configurations (foot C48, hollow shaft CA48, flange CF48/CAF48, shrink disc CAD48, and housing flange CZ48)[cite: 4] ideal for conveyor lines, stage machinery, food packaging, and water treatment drives[cite: 4].
Technical Specifications
| Model / Part Number | C48-LA80M4 (Order Code: 2KJ1602-..DE13)[cite: 4] |
|---|---|
| Brand Lineage | Flender → Siemens → Innomotics → Original OEM Factory Brand[cite: 4] |
| Gear Unit Type | MOTOX C Series (2-Stage Helical Worm Right-Angle)[cite: 4] |
| Catalog Frame Size | Size C48 (Nominal torque capacity: 260 Nm)[cite: 4] |
| Matched Motor Type & Power | LA80M4 / LA80ZMB4E (0.55 kW AC Squirrel-Cage Motor)[cite: 4] |
| Output Speed / Ratio Range | i = 9.67 to 440.70 (Customizable ratios available)[cite: 4] |
| Shaft & Mounting Options | Foot-mounted, Flange B5/B14, Solid Shaft, Hollow Shaft with Keyway/Shrink Disc/TorqLOC®[cite: 4] |
Documentation & Resources
MOTOX C Series Modular Architecture Matrix
Full-range modular configuration guide for Flender / Siemens / Innomotics MOTOX C series helical worm gearboxes[cite: 4]. Review supported frame sizes, 2KJ order code structure, and mounting forms:
| Gearbox Size & Mounting Form | 2KJ Order Code Prefix | Max Torque Rating (Nm) | Matched Motor Frame Range |
|---|---|---|---|
| MOTOX C28 / CA28 / CF28[cite: 4] | 2KJ1600-..[cite: 4] | 110 Nm[cite: 4] | LA63 to LA71 (0.09 kW - 0.37 kW)[cite: 4] |
| MOTOX C38 / CA38 / CAF38 / CAD38[cite: 4] | 2KJ1601-..[cite: 4] | 160 Nm[cite: 4] | LA71 to LA90 (0.18 kW - 1.1 kW)[cite: 4] |
| MOTOX C48 / CA48 / CAF48 / CAD48[cite: 4] | 2KJ1602-..[cite: 4] | 260 Nm[cite: 4] | LA71 to LA100 (0.25 kW - 1.5 kW)[cite: 4] |
| MOTOX C68 / CA68 / CAF68 / CAD68[cite: 4] | 2KJ1603-..[cite: 4] | 520 Nm[cite: 4] | LA80 to LA112 (0.55 kW - 3.0 kW)[cite: 4] |
| MOTOX C88 / CA88 / CAF88 / CAD88[cite: 4] | 2KJ1604-..[cite: 4] | 1,590 Nm[cite: 4] | LA90 to LA160 (0.75 kW - 11.0 kW)[cite: 4] |
MOTOX 2KJ Order Code & Brand Cross-Reference Guide
MOTOX gearmotors installed under Flender, Siemens 2KJ, or Innomotics nameplates can be seamlessly cross-referenced and supplied directly via authentic OEM factory channels[cite: 4]. Refer to the catalog code mapping below:
| Legacy / Current Nameplate Code | Brand Generation | Current OEM Equivalent Model | Rated Motor Power | Mechanical Compatibility & Retrofit Notes |
|---|---|---|---|---|
| 2KJ1600-..CB13 (C28)[cite: 4] | Siemens / Innomotics[cite: 4] | MOTOX C28-LA71B4 OEM Direct[cite: 4] | 0.18 kW[cite: 21] | Direct 1-to-1 flange & shaft match. Complete interchangeability[cite: 4]. |
| 2KJ1601-..CD13 (C38)[cite: 4] | Siemens / Innomotics[cite: 4] | MOTOX C38-LA71S4 OEM Direct[cite: 4] | 0.25 kW[cite: 21] | Identical shaft centerline height & foot mounting bolt pattern[cite: 4]. |
| 2KJ1602-..DE13 (C48)[cite: 4] | Siemens / Innomotics[cite: 4] | MOTOX C48-LA80M4 OEM Direct[cite: 4] | 0.55 kW[cite: 21] | Standard C48 drive package. 100% drop-in replacement[cite: 4]. |
| 2KJ1603-..EM13 (C68)[cite: 4] | Siemens / Innomotics[cite: 4] | MOTOX C68-LA90SB4E OEM Direct[cite: 4] | 0.75 kW[cite: 21] | Heavy conveyor drive. Preserves existing torque arm / flange[cite: 4]. |
| 2KJ1604-..FM13 (C88)[cite: 4] | Siemens / Innomotics[cite: 4] | MOTOX C88-LA100ZLP4E OEM Direct[cite: 4] | 1.5 kW[cite: 21] | Maximum torque capacity for C series. 100% exact replacement[cite: 4]. |
Expert Selection & Retrofit Engineering Notes
When retrofitting an existing installation featuring older Flender MOTOX or Siemens 2KJ1602 gearmotors[cite: 4], sourcing directly through authentic OEM channels ensures complete dimensional interchangeability, original gear tooth geometry, and zero modification costs[cite: 4]. Simply send us your existing Siemens 2KJ order code or nameplate serial number, and our engineering team will provide a 100% compliant replacement specification and quotation[cite: 4].
Core Benchmark Model Standard Configurations
- C28-LA71B4 (0.18 kW)[cite: 4]
- C38-LA71S4 (0.25 kW)[cite: 4]
- C38-LA71M4 (0.37 kW)[cite: 4]
- C38-LA80M4 (0.55 kW)[cite: 4]
- C48-LA80M4 (0.55 kW)[cite: 4]
- C48-LA90S4 (0.75 kW)[cite: 4]
- C48-LA90L4 (1.1 kW)[cite: 4]
- C68-LA90S4 (0.75 kW)[cite: 4]
- C68-LA100L4 (1.5 kW)[cite: 4]
- C88-LA112M4 (3.0 kW)[cite: 4]
- C88-LA132S4 (4.0 kW)[cite: 4]
- C88-LA160M4 (7.5 kW)[cite: 4]
- CA48-LA80M4 (Hollow Shaft)[cite: 4]
- CF48-LA80M4 (Flange Shaft)[cite: 4]
- CAF48-LA80M4 (Hollow Flange)[cite: 4]
- CAD48-LA80M4 (Shrink Disc)[cite: 4]
- CZ48-LA80M4 (Housing Flange)[cite: 4]
- CAAD48 Torque Arm Package[cite: 4]
- 2KJ1602-7DE13 (Siemens Code)[cite: 4]
- 2KJ1603-7EM13 (Siemens Code)[cite: 4]
