KUKA KR 90 R2300 industrial robot with KR C5-2 controller

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Information
Specifications

KUKA KR 90 R2300 with KR C5-2 controller is a lightweight medium-payload 6-axis industrial robot from the KR IONTEC ultra family, offering a rated payload of 90 kg and a maximum reach of 2305 mm.

KR IONTEC ultra extends the medium-payload range with a lightweight structure designed for high dynamics and efficient automotive production. The platform covers long-reach tasks while reducing robot mass compared with heavier payload classes. It is particularly relevant for spot welding, battery manufacturing and large-component handling where reach and cycle time must be balanced.

Within the family, the KR 90 R2300 configuration is positioned for applications that require 90 kg of payload capacity and a 2305 mm working reach. Its nominal positioning repeatability is ±0.05 mm. The final usable payload depends on the complete tool and workpiece load case, including center of gravity, inertia and any supplementary loads on the arm.

Floor and ceiling installation options support compact line concepts. The selected welding gun, transformer, dress pack and supplementary loads must be validated against the robot load diagram and process duty cycle.

Controller compatibility: KUKA’s current product data lists this exact model with KR C5-2 support. The controller field is recorded as KR C5 / KR C5-2 so that previous-generation and new-generation controller options are not confused. Software packages, safety functions, fieldbus interfaces and operating-system release must still be confirmed for the final delivered configuration.

Typical applications

spot welding
automotive component handling
battery production
assembly
machine tending
material transfer

For a Eurobots project, this robot can be considered for new automation cells, replacement studies, robot-track installations, process trials and technical pre-selection. Final engineering should be based on the exact KUKA article number, load diagram, mounting position, environmental version and controller software package.

Technical specifications

Specification	Value
Robot model	KR 90 R2300
Robot family	KR IONTEC ultra
Robot type	Lightweight medium-payload 6-axis industrial robot
Axes	6
Rated payload	90 kg
Maximum reach	2305 mm
Positioning repeatability	±0.05 mm
Controller	KR C5 / KR C5-2
New controller generation	KR C5-2
Mounting positions	Floor or ceiling
Protection class	IP65 body and IP67 wrist
Environment / available options	Lightweight construction optimized for dynamic handling and spot-welding applications
Configuration represented	Standard
Main applications	spot welding, automotive component handling, battery production, assembly, machine tending, material transfer
Engineering note	Payload, reach and repeatability refer to the listed standard model. Validate the exact article number, load diagram, environmental suffix and software options before ordering or integration.

Source note: Controller compatibility and model data were validated against KUKA’s current product pages and the March 2026 KUKA product portfolio. Where a family has multiple environmental variants, this entry represents the named base configuration unless a suffix is included in the model name.

Applications

Spotwelding , Loading and unloading of parts , Handling of parts , Measurement , Assembly of parts , Advanced Manufacturing

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