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HS-485HB Servo

  • HS-485HB side view
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  • HS-485HB with quarter for scale
  • HS-485HB gears
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The HS-485HB updates the very popular HS-475HB by adding more torque and greater speed. With its top ball bearing, heavy duty, high impact Karbonite™ gears and high performance circuitry, the HS-485HB offers lots of torque and features excellent centering and resolution.

Standard Servo Schematic 2 A = .780” (19.82mm)
B = .547” (13.9mm)
C = 1.352” (34.35mm)
D = .394” (10mm)
E = .394” (10mm)
F = 1.181” (30mm)
G = .472” (12mm)
H = 1.102” (28mm)
J = 2.09” (53.1mm)
K = .384” (9.75mm)
L = .174” (4.42mm)
M = 1.575” (40mm)
X = .126” (3.2mm)
Dimensions 1.57" x 0.78" x 1.49" (39.88 x 19.81 x 37.85mm)
Product Weight 1.59oz (45g)
Output Shaft Style 24 tooth (C1) spline
Voltage Range 4.8V - 6.0V
No-Load Speed (4.8V) 0.22sec/60°
No-Load Speed (6.0V) 0.18sec/60°
Stall Torque (4.8V) 66.6 oz/in. (
Stall Torque (6.0V) 83.3 oz/in. (
Max PWM Signal Range (Standard) 553-2425μsec
Travel per µs (out of box) .102°/μsec
Max Travel (out of box) 190.5°
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Current Drain - idle (4.8V) 8mA
Current Drain - idle (6.0V) 8.8mA
Current Drain - no-load (4.8V) 150mA
Current Drain - no-load (6V) 180mA
Continuous Rotation Modifiable Yes
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 8µs
Motor Type 3 Pole Ferrite
Potentiometer Drive Indirect Drive
Internal Feedback Style 5KΩ Potentiometer
Output Shaft Support Top Ball Bearing, Bottom Bushing
Gear Type Straight Cut Spur
Gear Material Karbonite
Wire Length 11.81" (300mm)
Wire Gauge 25AWG

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