# FANUC CRX-3iA

Hardware · `CRX-3iA` · verification: source checked

The FANUC CRX-3iA is a six-axis collaborative robot. It has a 3 kg payload, 692 mm reach, ±0.02 mm repeatability, and weighs 11 kg. It uses the R-30iB Mini Plus controller and is intended for light-duty welding, assembly, and inspection tasks.

## Specification

| Property | Value |
|---|---|
| Category | collaborative robot |
| Axes | 6 |
| Payload | 3 kg |
| Reach | 692 mm |
| Repeatability | 0.02 mm |
| Weight | 11 kg |
| Max TCP speed | 2500 mm/s |
| IP rating | IP67 |

### Joints

| Name |
|---|
| J1 |
| J2 |
| J3 |
| J4 |
| J5 |
| J6 |

## Connected

- Manufacturer: [FANUC](https://machineschema.com/manufacturer/fanuc.md)
- Controllers: [FANUC R-30iB Mini Plus](https://machineschema.com/controller/fanuc-r-30ib-mini-plus.md), [FANUC R-30iB Plus](https://machineschema.com/controller/fanuc-r-30ib-plus.md)

## Safety

- Maximum speed may not be reached during short-distance motion; set motion speed according to the system risk assessment.

## Study notes

- Motion range for J1–J6 is listed as 400°, 360°, 592°, 380°, 360°, and 450° respectively.
- Maximum speed is 1200 mm/s in Collaborative Mode and 2500 mm/s in High Speed Mode.
- Allowable wrist load is J4 8.5 Nm/0.32 kg·m², J5 6.5 Nm/0.24 kg·m², and J6 4 Nm/0.08 kg·m².
- Input power source is 100–120 VAC or 200–240 VAC.
- Repeatability is based on ISO 9283.
- The robot automatically detects its installation angle and can recognize its position after relocation.
- It supports multiple mounting orientations and can be combined with a magnetic base.

## Sources

1. [CRX-3iA Ultra Lightweight Cobot](https://www.fanucamerica.com/products/robot/crx-3ia) (accessed 2026-10-25)
2. [crx 3ia datasheet](https://www.fanucamerica.com/uploads/files/data-sheets/crx-3ia-datasheet.pdf) (accessed 2026-10-25)

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