Power HD B5S Brushless HV Servo 20kg 0.055s (HD-B5S)

The Power HD B5S (HD-B5S) is a high-voltage brushless servo designed for fast response and dependable torque delivery. Offering up to 20.0 kg-cm at 8.4V and a 0.055 s transit speed at 7.4V, it pairs titanium and steel gears with dual ball bearings for smooth, durable operation. A 6.0–8.4V operating range and compact 41.0 × 20.5 × 38.3 mm footprint make it a versatile option for demanding RC control setups.

Key Specifications

• Torque (6.0V): 16.0 kg-cm (222.2 oz/in)
• Torque (7.4V): 18.0 kg-cm (250.0 oz/in)
• Torque (8.4V): 20.0 kg-cm (277.7 oz/in)
• Speed: 0.065 s (6.0V) | 0.055 s (7.4V) | 0.050 s (8.4V)
• Operating voltage: 6.0–8.4 V DC
• Weight: 67.0 g (2.36 oz)
• Bearing type: Dual ball bearings
• Motor type: Brushless motor
• Gear type: Titanium & steel
• Operating temperature: −20°C to 60°C
• Working frequency: 1520 μs / 333 Hz
• Size: 41.0 × 20.5 × 38.3 mm (1.61 × 0.81 × 1.51 in)