# FANUC SR-3iA/U Environmental Option

Hardware · `SR-3iA/U Environmental Option` · verification: source checked

The FANUC SR-3iA/U Environmental Option is a 4-axis SCARA robot with a 3 kg maximum payload and 350 mm reach. It has a 27 kg mechanical weight and is intended for secondary food applications and harsh environments that require a higher IP rating for protection against dust and water. Cables and pipes are routed internally, and the robot is compatible with the R-30iB Compact Plus controller.

## Specification

| Property | Value |
|---|---|
| Category | scara robot |
| Axes | 4 |
| Payload | 3 kg |
| Reach | 350 mm |
| Repeatability | 0.01 mm |
| Weight | 27 kg |
| IP rating | IP65 |

### Joints

| Name | Range min (°) | Range max (°) | Max speed (°/s) |
|---|---|---|---|
| J1 | -225 | 225 | 610 |
| J2 | -225 | 225 | 840 |
| J4 | -720 | 720 | 3000 |

## Connected

- Manufacturer: [FANUC](https://machineschema.com/manufacturer/fanuc.md)
- Controllers: [FANUC R-30iB Compact Plus](https://machineschema.com/controller/fanuc-r-30ib-compact-plus.md), [FANUC R-30iB Plus](https://machineschema.com/controller/fanuc-r-30ib-plus.md)
- Variant of: [FANUC SR-3iA/U](https://machineschema.com/hardware/fanuc-sr-3ia-u.md)

## Study notes

- J3 motion range is 140 mm and its maximum speed is 1500 mm/s.
- Repeatability is ±0.01 mm for J1, J2 and J3; J4 repeatability is ±0.004°.
- Push force is 150 N.
- Cables and pipes are internally routed.
- IP65 protection is stated for the body, wrist and J3 arm.

## Sources

1. [SR-3iA/U Environmental SCARA Robot](https://www.fanucamerica.com/products/robot/sr-3ia-u-environmental) (accessed 2026-10-25)
2. [sr 3ia u environmental data sheet](https://www.fanucamerica.com/uploads/files/data-sheets/sr-3ia-u-environmental-data-sheet.pdf) (accessed 2026-10-25)

---

Source page: https://machineschema.com/hardware/fanuc-sr-3ia-u-environmental-option  
JSON: https://machineschema.com/hardware/fanuc-sr-3ia-u-environmental-option.json  
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite Machine Schema and the original sources.