Key Specifications
Parameter Specification
Model HC353BS-E51
Series HC (High-Capacity)
Rated Output 3.5 kW (4.7 HP)
Rated Torque 16.7 Nm
Max. Torque 50.1 Nm
Rated Speed 2000 rpm
Max. Speed 3000 rpm
Encoder 17-bit absolute (131,072 pulses/rev)
Shaft Type Keyway shaft (standard)
Brake Option Without brake (standard)
Protection Class IP65 (Dust-proof & splash-proof)
Insulation Class Class F
Thermal Protection Built-in thermistor
3. Performance Features
✔ High Torque Density: Optimized electromagnetic design for consistent torque output
✔ Precision Control: 17-bit encoder ensures ±0.01° positioning accuracy
✔ Robust Construction:

IP65 protection for harsh environments

Reinforced bearings for heavy loads

Vibration-resistant design (5.9 m/s²)
✔ Thermal Management: Class F insulation allows operation up to 155°C

4. Electrical Characteristics
Parameter Value
Rated Current 17.5 A
Max. Current 52.5 A
Inductance 8.2 mH
Resistance 0.42 Ω
Back EMF Constant 70 V/krpm
5. Mechanical Specifications
Parameter Value
Frame Size 130 mm
Flange Type Square flange (IEC standard)
Shaft Diameter 38 mm
Weight 32 kg
Moment of Inertia 8.7 × 10⁻³ kg·m²
6. Environmental Ratings
Operating Temperature: -15°C to +40°C (40-50°C with derating)

Storage Temperature: -20°C to +65°C

Humidity: 20-90% RH (non-condensing)

Altitude: ≤1000 m (derating above)

Vibration Resistance: 5.9 m/s² (10-55 Hz)