Product overview
The EMAX ES9054II High Voltage Magnetic Encoder Servo is a component for actuating aircraft control surfaces, helicopter tail assemblies and robotic mechanisms. Its brushed digital architecture combines contactless magnetic encoder feedback with all-metal gears and housing. The encoder supports stable centering during vibration and long operating cycles, while the metal construction addresses impact and sustained high loads. The product is a servo for integration into a larger mechanism, with recommended applications extending to high-torque RC and automation platforms.
Integration space is approximately 40 × 20 × 38.5mm, with a net weight of 72 ±1g. The standard form factor incorporates a JR connector and 23T output spline, with a 500–2500μs PWM range. Positional control is configurable for 180° ±2° or full-range 360° operation. Electrical selection must account for the 6.0–8.4V operating range: speed improves from 0.12 to 0.09 sec/60° across those endpoints, while stall torque rises from 18 to 25 kgf·cm. Approximate stall current is 4.0–5.5A as a typical reference range.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | EMAX ES9054II High Voltage Magnetic Encoder Servo |
| Product type | Magnetic encoder / brushed / digital / all-metal servo |
| Operating voltage | 6.0–8.4V |
| Speed | 0.12 / 0.10 / 0.09 sec/60°At 6.0 / 7.4 / 8.4V, respectively. |
| Stall torque | 18 / 22 / 25 kgf·cmAt 6.0 / 7.4 / 8.4V, respectively; stall torque. |
| Stall current | Approx. 4.0–5.5AStall current; typical reference range. |
| Net weight | 72 ±1g |
| Dimensions | Approx. 40 × 20 × 38.5mm |
| Rotation angle | 180° ±2°; supports 360° full-range positional controlConfigurable positional control. |
| Connector | JR |
| Output spline | 23T |
| PWM range | 500–2500μs |
| SKU | 0102007013 |
| Feedback architecture | Non-contact magnetic encoder feedback maintains stable centering.During vibration and long operating cycles. |
| Mechanical construction | All-metal gears and housing designed to withstand impact and sustained high loads. |
| Recommended applications | RC helicopter tail assemblies; large fixed-wing aircraft control surfaces; robotic joints and rotating mechanisms; high-torque RC and automation platforms. |
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