What is the payload of the FANUC ER-4iA?

4 kg, per ER-4iA (fanucamerica.com).

What is the reach of the FANUC ER-4iA?

550 mm, per ER-4iA (fanucamerica.com).

What is the repeatability of the FANUC ER-4iA?

±0.01 mm, per ER-4iA (fanucamerica.com).

How many axes does the FANUC ER-4iA have?

6, per ER-4iA (fanucamerica.com).

How much does the FANUC ER-4iA weigh?

20 kg, per ER-4iA (fanucamerica.com).

What is the IP rating of the FANUC ER-4iA?

IP50, per ER-4iA (fanucamerica.com).

FANUC ER-4iA

The FANUC ER-4iA is a 6-axis industrial robot in the Education Series. It has a 4 kg payload, 550 mm reach, ±0.01 mm repeatability, and 20 kg mechanical weight. It is paired with the R-30iB Plus controller and includes integrated iRVision, a touchscreen iPendant, 26 inputs/22 outputs, dual Ethernet ports, and pneumatic readiness.

Source checked20/20 values · 2026-10-25

FANUC Industrial robot

Hover to measure reach

Payload

4kg

Reach

550mm

Repeatability

±0.01mm

IP rating

IP50

Axes

Specification

2 sources

Category	industrial robot
Weight	20 kg
Power consumption	0.5 kW

Joints

Name	Max speed (°/s)
J1	460
J2	360
J3	520
J4	560
J5	560
J6	900

Quick answers

What is the payload of the FANUC ER-4iA?: 4 kg, per ER-4iA (fanucamerica.com).
What is the reach of the FANUC ER-4iA?: 550 mm, per ER-4iA (fanucamerica.com).
What is the repeatability of the FANUC ER-4iA?: ±0.01 mm, per ER-4iA (fanucamerica.com).
How many axes does the FANUC ER-4iA have?: 6, per ER-4iA (fanucamerica.com).
How much does the FANUC ER-4iA weigh?: 20 kg, per ER-4iA (fanucamerica.com).
What is the IP rating of the FANUC ER-4iA?: IP50, per ER-4iA (fanucamerica.com).

Study notes

Motion range: J1 340°, J2 230°, J3 402°, J4 380°, J5 240°, J6 720°.
Repeatability is based on ISO 9283.
I/O: 26 inputs and 22 outputs total.
Dual Ethernet ports.
Integrated iRVision and touchscreen iPendant.
Air solenoids and pneumatic readiness.
IP50 on body; IP50 on wrist and J3 arm is an option.
Controller is described as R-30iB Mate Plus in the overview and R-30iB Plus in the specifications and compatibility sections.
FANUC's product page and datasheet give different values for controllers. Check with FANUC before relying on it.

Safety

Smooth stop is included as standard and cannot be disabled.
Maximum wrist moments/inertia: J4 8.86 N·m / 0.2 kg·m²; J5 8.86 N·m / 0.2 kg·m²; J6 4.9 N·m / 0.067 kg·m².