SRT T55 HV Coreless Servo – 55kg, 25T Output

The SRT T55 HV Coreless Servo (SCH-SRTT55) delivers outstanding holding power and efficiency in a robust standard-size package. With a high-voltage range of 6.0–8.4V, a coreless motor and precision pulse width control, it offers fast response and dependable torque for demanding RC applications. A CNC machined aluminium case aids cooling, while dual bearings and metal gears provide long-lasting durability. The 25T output spline and 300 mm JR lead make integration straightforward.

Key Features

• Superior holding torque with efficient, low power consumption
• Standard dimensions for easy installation
• CNC machined aluminium case for exceptional cooling
• Programmable high-torque coreless digital servo
• SSR mode compatible
• 25T output shaft
• 2 μsec dead band
• 1-year limited warranty (manufacturer)

Performance

• Operating voltage: DC 6.0–8.4V
• Speed: 0.22s/60° (6.0V), 0.20s/60° (7.4V), 0.19s/60° (8.4V)
• Stall torque: 43.0kg.cm (6.0V), 50.0kg.cm (7.4V), 55.0kg.cm (8.4V)
• Signal/frequency: 1520μs / 330Hz pulse width control
• Potentiometer drive: Direct drive

Construction

• Motor type: Coreless
• Gears: Metal
• Bearings: Dual
• Materials: Steel and aluminium
• Case: CNC machined aluminium
• Dimensions: 40.7 x 20.5 x 39.0 mm
• Weight: 81.0g
• Connector: JR, 300 mm lead

Suggested Compatibility

• Airplane applications
• 1/10 crawler platforms
• 1/8 crawler platforms