HS-646WP Waterproof Servo (Standard Size)

66.00 EGP

Need a servo for your project? This standard size analog servo is waterproof with high torque, dual ball bearings, and metal gears.

Out of stock

Hitec’s waterproof servos have what it takes to keep your robot watertight! With high torque, dual ball bearings and metal gears, these analog waterproof servos have the industry’s first IP67* rating ranking them among the most durable and reliable servos for wet conditions. Whether you are manning your power boat, bashing in the mud, or directing your underwater robot, the HS-646WP will dependably keep your mind at ease.

IP = International Protection Code

6 = Dust Tight

7 = Immersion up to 1M


  • Industry’s First IP67-Rated Waterproof Case
  • Strong Three-Pole Ferrite Motor
  • Metal Gear Train with MP First Gear
  • Dual Ball Bearing-Supported Output Shaft
  • 7.4v 2-Cell LiPo Capability
  • Programmable Circuitry


Hitec Product Page – HS-646WP


Control Signal Standard 3-5V Pulse Width Control
1500 μs – neutral
1100 μs – 45 ° counter-clockwise
1900 μs – 45 ° clockwise
Speed 0.20 s/60° @ 6.0V
0.17 s/60° @ 7.4V
Torque 133 oz/in @ 6.0V
161 oz/in @ 7.4V
9.6 kg/cm @ 6.0V
11.6 kg/cm @ 7.4V
Dimensions 1.65in x 0.83in x 1.57in 41.8mm x 21.0mm x 40.0mm
Weight in Air 0.13 lb 60 g
Weight in Water TBD TBD
Electrical Connector 3-pin female (0.1″ pitch)
Cable Length 7.0 in 178 mm
.06 kg

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