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Spektrum SPMSA3040 A3040 Sub-Micro Servo Digital Hi Torque Metal Gear

Product Code: SPMSA3040

In-stock items and stock levels are subject to continuous change. Click & collect orders can be used to reserve items prior to in store collection. Store transfers and holds available on request.


This 0.10-second transit time (at 6 volts), 28 oz-in of torque, metal gear servo is an ideal combination of weight, speed and holding power for slow and park flyer aircraft. Ball bearing support around the output shank helps keep the servo precise for many flights to come. Choose the A3040 servo for electric aircraft and sailplanes where the robust nature of metal gears is desired. The low deadband technology means that you’ll enjoy reliable accuracy and precision.

Product Specifications

Size Category:Minis and Micros
Application:Slow and park flyer aircraft
Torque:23 oz-in (1.7 kg-cm) @ 4.8V / 28 oz-in (2 kg-cm) @ 6V
Speed:.12 sec/60° @ 4.8 / .10 sec/60° @ 6V
Length:.93 in (23.6mm)
Width:.45 in (11.5mm)
Height:1 in (25.5mm)
Weight:.44 oz (12.6 g)
Bushing Or Bearing:Bearing
Motor Type:Cored
Connector Type:Z-connector
Gear Type:Metal
Voltage:4.8 or 6.0V