# CubeMars AK80-9 V3.0 KV100 Actuator

> CubeMars AK80-9 V3.0 KV100 quasi-direct-drive robotic actuator: BLDC motor + 9:1 planetary gearbox + driver + 16-bit magnetic encoder, 9 N·m rated / 22 N·m peak, 570 rpm no-load at 48 V, 15 arcmin backlash, 0.51 N·m back-drive, CAN on XT30 2+2 + UART, Ø98 × 38.5 mm, 490 g.

- Manufacturer: CubeMars
- Part number: AK80-9 V3.0 KV100
- Category: Actuators
- Canonical page: https://www.xirkit.io/products/cubemars-ak80-9-v3-0-kv100-actuator-6f6e
- Pinout: https://www.xirkit.io/products/cubemars-ak80-9-v3-0-kv100-actuator-6f6e/pinout
- Structured JSON: https://www.xirkit.io/products/cubemars-ak80-9-v3-0-kv100-actuator-6f6e/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Actuator type | qdd |
| Gearbox | planetary 9:1 |
| Rated torque | 9 N·m |
| Peak torque | 22 N·m |
| Rated speed | 390 rpm |
| No-load speed | 570 rpm |
| Rated voltage | 48 V |
| Rated current | 12 A |
| Torque constant Kt | 0.095 N·m/A |
| Speed constant Kv | 100 rpm/V |
| Back-drive torque | 0.51 N·m |
| Backlash | 0.25° |
| Torque density | 44.9 N·m/kg |
| Encoder | magnetic, 16-bit, single (inner loop) |
| Control interface | CAN |
| Control modes | position, speed, torque, MIT |
| Dimensions | 98 × 98 × 38.5 mm |
| Operating temperature | -20 to 50 °C |

## Pinout (2 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Power + CAN | XT30PW-M (XT30 2+2) | power in | — | power_in | — | — | — | — | — | — | — |
| UART | A1257WR-S-3P | uart tx | — | uart | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.cubemars.com | 479.9 USD | in_stock | 2026-09-28 | https://www.cubemars.com/product/ak80-9-v3-0-robotic-actuator.html |

## FAQ

**What voltage powers the CubeMars AK80-9 V3.0 KV100 Actuator?**

Supply range 48–48 V.

**How much does the CubeMars AK80-9 V3.0 KV100 Actuator cost?**

From $479.9 at www.cubemars.com. Prices are observed unit prices before tax and shipping.

**What are the CubeMars AK80-9 V3.0 KV100 Actuator dimensions?**

98 × 98 × 38.5 mm. A STEP model is available for enclosure fit checks.

**Where does this CubeMars AK80-9 V3.0 KV100 Actuator data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [CubeMars AK80-9 V3.0 KV100 Actuator datasheet](https://www.cubemars.com/product/ak80-9-v3-0-robotic-actuator.html)
- [www.cubemars.com listing](https://www.cubemars.com/product/ak80-9-v3-0-robotic-actuator.html)

## Part graph

### Alternatives (by use case)

- [CubeMars AK10-9 V3.0 KV60 Actuator](https://www.xirkit.io/products/cubemars-ak10-9-v3-0-kv60-actuator-eb8e) — Both serve robot joints and actuation — check the trade-offs; $698.9 vs $479.9
- [CubeMars AK70-10 KV100 Actuator](https://www.xirkit.io/products/cubemars-ak70-10-kv100-actuator-7bb4) — Both serve robot joints and actuation — check the trade-offs; $398.9 vs $479.9
- [ROBOTIS DYNAMIXEL 2XC430-W250-T](https://www.xirkit.io/products/robotis-dynamixel-2xc430-w250-t-e00b) — Both serve robot joints and actuation — check the trade-offs; $298.89 vs $479.9