Overview
The Dunkermotoren GR63X55 is a compact permanent magnet brushed DC motor designed for industrial automation, door operators, conveyor systems, and motion control applications. With 24VDC rated operation and IP50 protection rating, this motor delivers consistent torque and speed across variable load conditions. The GR63X55 operates independently of mounting position and supports both clockwise and counter-clockwise rotation, making it versatile for OEM and retrofit applications.
Key Features
- Permanent magnet DC motor with brushed commutation for reliable, cost-effective operation
- 24VDC rated voltage with 4.9A nominal current draw and 90W continuous power output
- 27 Ncm continuous torque at 3350 RPM; 257 Ncm stall torque for high initial load handling
- IP50 protection rating protects against dust and water spray in manufacturing environments
- Class E insulation per VDE 0530 standard; DIN 42016 mounting dimensions for industry interchangeability
- Compact 63×55 mm frame size; mounting-position independent operation
Technical Specifications
Below are the key electrical and mechanical parameters for the GR63X55 at 24VDC:
- Rated Voltage: 24 VDC
- Rated Power Output: 90–94.7 W (continuous)
- Rated Speed: 3350 RPM
- Rated Torque: 27 Ncm
- Rated Current: 4.9 A
- Stall Torque: 257 Ncm
- Starting Current: 40 A
- No-Load Speed: 3650 RPM
- No-Load Current: 0.4 A
- Terminal Resistance: 0.6 Ω
- Terminal Inductance: 1.5 mH
- Rotor Inertia: 750 gcm²
- Motor Weight: 1700 g
- Protection Rating: IP50
- Insulation Class: Class E (per VDE 0530)
Typical Applications
The GR63X55 is commonly deployed in:
- Automatic door operators and sliding door drives
- Conveyor and belt drive systems
- Industrial automation and light robotic positioning
- HVAC damper actuators and valve control drives
- Medical device actuators (laboratory and diagnostic equipment)
- Packaging machinery and light material handling
Compatibility & Replacements
Compatible With
- 24VDC power supplies and industrial DC control circuits
- Solenoid relay modules and PLC-based motor control systems
- H-bridge motor driver circuits and PWM speed controllers
- Encoder feedback systems (magnetic or optical) for closed-loop control
- Gearbox reduction units (SG80K 15:1, SG120 15:1, and similar Dunkermotoren gearboxes)
Replaces / Drop-In Replacement For
The GR63X55 can replace other Dunkermotoren DC motors in the GR series when voltage and torque requirements match. Verify specific model compatibility with your application; common GR63 variants operate at 24V, 30V, and 40V. Always confirm motor nameplate voltage and torque specifications before substitution to avoid speed and torque degradation.
Works With
- Industrial DC motor control relays and contactor circuits
- PWM motor speed control modules (e.g., analog 0–10V or pulse-width modulation inputs)
- Encoder input modules and feedback controllers (6-pole encoder connector: 43(+)–44(−))
- Gearbox-integrated variants with integrated limit switches and thermal protection
- Standard DIN 42016 motor mounting adapters and couplings
