# Synapticon ACTILINK-JD Circulo 12 Dynamic Actuator

![Synapticon ACTILINK-JD Circulo 12 Dynamic Actuator](https://parts.trymaglev.com/img/ac-synapticon-actilink-jd-circulo-12.webp)

German EtherCAT joint actuator (9:1, 120 mm) with SOMANET Circulo 9 drive and STO/Safe Motion option, for humanoid legs and heavy legged-robot joints.

- Maglev ID: ac-synapticon-actilink-jd-circulo-12
- Brand: Synapticon
- MPN: AJD-12-120-200-ECS1SS-N-00
- Category: actuators / Integrated Joint Actuators
- Origin: DE (maker HQ, factory not confirmed)
- Maker: Synapticon GmbH (brand, DE)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8501.31.40.00 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- No public price. Request a quote via POST /api/rfq or the order pad.

## Specifications
- Peak torque: 110 N·m
- Rated torque: 40 N·m
- Gear ratio: 9:1
- Voltage: unknown
- Mass: 1580 g (S1-SS); 1845-1870 g dual-encoder variants
- Interface: EtherCAT; STO standard, Safe Motion/FSoE option

## Links
- Product: https://catalog.synapticon.com/shop/actilink-jd-circulo-12-2712
- Datasheet: none
- CAD: none

## Equivalents
- RobStride RS04 QDD Joint Actuator (ac-robstride-rs04)

## Sources
- https://catalog.synapticon.com/shop/actilink-jd-circulo-12-2712 (specs (maker catalog))