SEW R57DRN100L4 Helical Inline Gearmotor
Brand: SEW-Eurodrive | Series: R-Series / RX-Series (Helical Inline)
The SEW R57DRN100L4 is a robust, highly versatile inline helical gearmotor engineered for medium-duty industrial applications requiring high mechanical power density, durable thermal stability, and long operational service life[cite: 20]. Featuring versatile mounting styles (foot-mounted R57/RX77, B5/B14 flange RF57/RXF77, and solid shaft)[cite: 20], it is widely deployed across conveyor systems, packaging machinery, chemical mixing, and automated production machinery[cite: 20].
Technical Specifications
| Model / Part Number | R57DRN100L4[cite: 20] |
|---|---|
| Brand / Manufacturer | SEW-Eurodrive[cite: 20] |
| Gear Unit Type | R Series (Helical Gear Unit, Inline Output Shaft)[cite: 20] |
| Motor Type | DRN100L4 (AC Squirrel-Cage Motor, IE3 Premium)[cite: 20] |
| Rated Motor Power (kW) | 3.0 kW (Standard)[cite: 20] |
| Output Speed / Ratio | Customizable via gearbox options (Contact for ratio details)[cite: 20] |
| Mounting Position | Universal / Foot-mounted, B5/B14 Flange Mounted[cite: 20] |
Documentation & Resources
SEW R57 Series Modular Configuration Matrix
Full-range modular assembly guide for SEW-Eurodrive Size 57 multi-stage and Size 77 single-stage helical gearboxes[cite: 20]. Review supported mechanical mountings, current IE1-IE4 motor pairings, and factory protection options:
| Gear Unit Mounting / Layout Design | Frame Size | Matched Motor Series & Powers | Optional Factory Accessories |
|---|---|---|---|
| R57 (Foot-Mounted Multi-Stage)[cite: 20] | Size 57[cite: 20] | DRN Series (IE3 Premium: 71M4 to 132M4 / 0.37 kW - 7.5 kW)[cite: 20] | /BE (Fail-Safe Disc Brake) |
| RF57 (B5 / B14 Flange Mounted)[cite: 20] | Size 57[cite: 20] | DRS Series (IE1 Standard Efficiency)[cite: 20] | /TF (PTC Thermistor Thermal Protection) |
| RX77 (Single-Stage Foot Mounted)[cite: 20] | Size 77 (RX Stage)[cite: 20] | DT / DV Series (Legacy Retrofit Motors: DT71 to DV132)[cite: 20] | /TH (Thermostat Switch Control) |
| RXF77 (Single-Stage Flange Mounted)[cite: 20] | Size 77 (RX Stage)[cite: 20] | DFT / DFV Series (ATEX Explosion-Proof Executions)[cite: 20] | /RS (Mechanical Backstop / Anti-Runback) |
| R57 / RF57 (Servomotor Adaptations)[cite: 20] | Size 57[cite: 20] | CT / CV Series (Inverter-Duty Servo Drives)[cite: 20] | /V (Forced Cooling Fan Attachment) |
Legacy SEW Motor Replacement & IE3 DRN Upgrade Guide
Obsolete SEW motor ranges (DT71, DT80, DT90, DV100, DV112, DV132) installed on R57 gearboxes can be seamlessly replaced with current IE3 Premium Efficiency DRN motors[cite: 20]. Refer to the cross-reference mapping below for 1-to-1 retrofitting:
| Legacy Motor Code (Obsolete) | Efficiency Level | Current IE3 Replacement Motor | Rated Power (kW) | Mechanical Compatibility & Retrofit Notes |
|---|---|---|---|---|
| DT71D4 / DT71C4[cite: 20] | IE1 / Standard Efficiency[cite: 20] | DRN71MS4 / DRN71M4 IE3 Upgrade[cite: 20] | 0.37 kW - 0.55 kW[cite: 20] | Direct 1-to-1 flange & shaft match on R57 gearboxes. Lower energy loss. |
| DT80K4 / DT80N4[cite: 20] | IE1 / Standard Efficiency[cite: 20] | DRN80MK4 / DRN80M4 IE3 Upgrade[cite: 20] | 0.55 kW - 0.75 kW[cite: 20] | Identical mounting dimensions; direct drop-in replacement. |
| DT90S4 / DT90L4[cite: 20] | IE1 / Standard Efficiency[cite: 20] | DRN90S4 / DRN90L4 IE3 Upgrade[cite: 20] | 1.1 kW - 1.5 kW[cite: 20] | Flange & shaft dimensions identical. Check terminal box position. |
| DV100M4 / DV100L4[cite: 20] | IE1 / IE2 Efficiency[cite: 20] | DRN100LS4 / DRN100L4 IE3 Upgrade[cite: 20] | 2.2 kW - 3.0 kW[cite: 20] | Identical shaft centerline height & mounting pattern. Standard R57 pairing[cite: 20]. |
| DV112M4 / DV132S4 / DV132M4[cite: 20] | IE1 / IE2 Efficiency[cite: 20] | DRN112M4 / DRN132S4 / DRN132M4 IE3 Upgrade[cite: 20] | 4.0 kW - 7.5 kW[cite: 20] | Maximum power capacity pairing for R57 series. Heavy drive drop-in unit[cite: 20]. |
Expert Selection & Retrofit Engineering Notes
We specialize in providing complete drive packages and technical replacement solutions for the entire SEW-Eurodrive R57 series[cite: 20]. Whether you require a foot-mounted unit (R57 / RX77)[cite: 20], B5/B14 flange output (RF57 / RXF77)[cite: 20], or precision servomotor coupling, all mechanical designs can be supplied pre-assembled with state-of-the-art IE3 DRN series motors (DRN71M4 to DRN132M4)[cite: 20].
When retrofitting an existing application featuring an obsolete DT71, DT80, DT90, DV100, DV112, or DV132 motor[cite: 20], upgrading to an IE3 DRN motor ensures complete dimensional interchangeability while substantially reducing operating temperatures and energy costs. Simply send us your existing SEW serial number or nameplate code (including options like BE brake, TF thermistor, or RS backstop), and our engineering team will provide a 100% compliant replacement specification and quotation.
When retrofitting an existing application featuring an obsolete DT71, DT80, DT90, DV100, DV112, or DV132 motor[cite: 20], upgrading to an IE3 DRN motor ensures complete dimensional interchangeability while substantially reducing operating temperatures and energy costs. Simply send us your existing SEW serial number or nameplate code (including options like BE brake, TF thermistor, or RS backstop), and our engineering team will provide a 100% compliant replacement specification and quotation.
Core Benchmark Model Standard Configurations
- R57 DRN71M4 (0.55 kW)[cite: 20]
- R57 DRN80M4 (0.75 kW)[cite: 20]
- R57 DRN90S4 (1.1 kW)[cite: 20]
- R57 DRN90L4 (1.5 kW)[cite: 20]
- R57 DRN100LS4 (2.2 kW)[cite: 20]
- R57 DRN100L4 (3.0 kW)[cite: 20]
- R57 DRN112M4 (4.0 kW)[cite: 20]
- R57 DRN132S4 (5.5 kW)[cite: 20]
- R57 DRN132M4 (7.5 kW)[cite: 20]
- RF57 DRN90L4 (1.5 kW)[cite: 20]
- RF57 DRN100L4 (3.0 kW)[cite: 20]
- RF57 DRN112M4 (4.0 kW)[cite: 20]
- RX77 DRN100L4 (3.0 kW)[cite: 20]
- RX77 DRN112M4 (4.0 kW)[cite: 20]
- RX77 DRN132M4 (7.5 kW)[cite: 20]
- RXF77 DRN112M4 (4.0 kW)[cite: 20]
- R57 DT90L4 (DT Replacement)[cite: 20]
- R57 DV100L4 (DV Replacement)[cite: 20]
- RF57 DV100L4 (DV Replacement)[cite: 20]
- RX77 DV132M4 (DV Replacement)[cite: 20]
