ABB IRB-4600 vs KR 50 R2100 HO
Side-by-side comparison of ABB IRB-4600 (ABB) and KR 50 R2100 HO (KUKA Robotics) — specs, pricing, Robo Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Manufacturing buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- ABB IRB-4600Switzerland
- KR 50 R2100 HOGermany
Year First Available
- ABB IRB-46002015
- KR 50 R2100 HO—
Verified Deployments
- ABB IRB-46000 Deployments
- KR 50 R2100 HO0 Deployments
Layer 2: Operational
Availability Status
- ABB IRB-4600ACTIVE
- KR 50 R2100 HOACTIVE
Arm Mechanics
Reach
- ABB IRB-46002,550 mm
- KR 50 R2100 HO2,101 mm
Repeatability
- ABB IRB-4600±0.05 mm
- KR 50 R2100 HO±0.05 mm
Payload
- ABB IRB-460060 kg
- KR 50 R2100 HO61 kg
IP Rating (Arm)
- ABB IRB-4600IP67
- KR 50 R2100 HO—
Degrees of Freedom
- ABB IRB-46006
- KR 50 R2100 HO—
Path Accuracy
- ABB IRB-4600±0.5 mm
- KR 50 R2100 HO—
Robot Weight
- ABB IRB-4600235 kg
- KR 50 R2100 HO665 kg
IP Rating (Wrist)
- ABB IRB-4600IP67
- KR 50 R2100 HO—
Performance
Cycle Time (25/305/25)
- ABB IRB-46000.4 s
- KR 50 R2100 HO—
MTBF
- ABB IRB-4600100,000 hrs
- KR 50 R2100 HO—
Duty Cycle
- ABB IRB-4600continuous 24 7
- KR 50 R2100 HO—
Vibration Damping
- ABB IRB-4600active model based
- KR 50 R2100 HO—
Safety
Safety Category
- ABB IRB-4600Cat.3 PLd
- KR 50 R2100 HO—
Dual Check Safety
- ABB IRB-4600Yes
- KR 50 R2100 HO—
Safety I/O Pairs
- ABB IRB-46008
- KR 50 R2100 HO—
E-Stop Response
- ABB IRB-460010 ms
- KR 50 R2100 HO—
Safe Zone Count
- ABB IRB-46003
- KR 50 R2100 HO—
Controller & Programming
Controller Model
- ABB IRB-4600OmniCore
- KR 50 R2100 HOKR C5; KR C4[2][5]
Programming Languages
- ABB IRB-4600TP, KAREL
- KR 50 R2100 HO—
Teach Pendant Type
- ABB IRB-4600smart pad
- KR 50 R2100 HO—
Offline Programming
- ABB IRB-4600ROBOGUIDE
- KR 50 R2100 HO—
Digital Twin Support
- ABB IRB-4600Yes
- KR 50 R2100 HO—
Connectivity
ROS-Industrial Support
- ABB IRB-4600vendor supported
- KR 50 R2100 HO—
IoT / Cloud Platform
- ABB IRB-4600FANUC ZDT
- KR 50 R2100 HO—
Cybersecurity Certs
- ABB IRB-4600IEC 62443 SL1
- KR 50 R2100 HO—
Predictive Maintenance
- ABB IRB-4600threshold based
- KR 50 R2100 HO—
End-Effector
Tool Flange Standard
- ABB IRB-4600ISO 9409-1
- KR 50 R2100 HO—
Tool Changer (ISO)
- ABB IRB-4600ATI
- KR 50 R2100 HO—
Internal Cable Routing
- ABB IRB-4600through arm and wrist
- KR 50 R2100 HO—
Pneumatic Lines
- ABB IRB-46002
- KR 50 R2100 HO—
Electrical Lines
- ABB IRB-460012
- KR 50 R2100 HO—
Commercial
Warranty
- ABB IRB-46001 yrs
- KR 50 R2100 HO—
Service Network
- ABB IRB-4600global
- KR 50 R2100 HO—
Spare Parts Lead Time
- ABB IRB-460014 days
- KR 50 R2100 HO—
Expected Service Life
- ABB IRB-460010 yrs
- KR 50 R2100 HO—
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Switzerland | Germany |
| Year First Available (values differ) | 2015 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Reach (priority for Manufacturing buyers) (values differ) | 2,550 mm | 2,101 mm |
| Repeatability (priority for Manufacturing buyers) | ±0.05 mm | ±0.05 mm |
| Payload (priority for Manufacturing buyers) (values differ) | 60 kg | 61 kg |
| IP Rating (Arm) (priority for Manufacturing buyers) (values differ) | IP67 | — |
| Degrees of Freedom (values differ) | 6 | — |
| Path Accuracy (values differ) | ±0.5 mm | — |
| Robot Weight (values differ) | 235 kg | 665 kg |
| IP Rating (Wrist) (values differ) | IP67 | — |
| Performance | ||
| Cycle Time (25/305/25) (values differ) | 0.4 s | — |
| MTBF (values differ) | 100,000 hrs | — |
| Duty Cycle (values differ) | continuous 24 7 | — |
| Vibration Damping (values differ) | active model based | — |
| Safety | ||
| Safety Category (values differ) | Cat.3 PLd | — |
| Dual Check Safety (values differ) | Yes | — |
| Safety I/O Pairs (values differ) | 8 | — |
| E-Stop Response (values differ) | 10 ms | — |
| Safe Zone Count (values differ) | 3 | — |
| Controller & Programming | ||
| Controller Model (values differ) | OmniCore | KR C5; KR C4[2][5] |
| Programming Languages (values differ) | TP, KAREL | — |
| Teach Pendant Type (values differ) | smart pad | — |
| Offline Programming (values differ) | ROBOGUIDE | — |
| Digital Twin Support (values differ) | Yes | — |
| Connectivity | ||
| ROS-Industrial Support (values differ) | vendor supported | — |
| IoT / Cloud Platform (values differ) | FANUC ZDT | — |
| Cybersecurity Certs (values differ) | IEC 62443 SL1 | — |
| Predictive Maintenance (values differ) | threshold based | — |
| End-Effector | ||
| Tool Flange Standard (values differ) | ISO 9409-1 | — |
| Tool Changer (ISO) (values differ) | ATI | — |
| Internal Cable Routing (values differ) | through arm and wrist | — |
| Pneumatic Lines (values differ) | 2 | — |
| Electrical Lines (values differ) | 12 | — |
| Commercial | ||
| Warranty (values differ) | 1 yrs | — |
| Service Network (values differ) | global | — |
| Spare Parts Lead Time (values differ) | 14 days | — |
| Expected Service Life (values differ) | 10 yrs | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price, Battery / Shift Runtime, Max TCP Speed, Communication Protocols, Price (USD)
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | ABB IRB-4600 | KR 50 R2100 HO |
|---|---|---|
| Investment | No price | No price |
| Payback period | — | — |
| Net savings (5 yr) | — | — |
| ROI (5 yr) | — | — |
ABB IRB-4600, KR 50 R2100 HO have no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Trade-offs at a glance
Frequently asked
Who makes ABB IRB-4600 and KR 50 R2100 HO?
ABB IRB-4600 is made by ABB, based in CH. KR 50 R2100 HO is made by KUKA Robotics, based in DE.
How do ABB IRB-4600 and KR 50 R2100 HO compare on the Robo Score?
ABB IRB-4600 scores 72.8 on the Robo Score. KR 50 R2100 HO scores 63.2. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
How does the reach of ABB IRB-4600 compare to KR 50 R2100 HO?
ABB IRB-4600 has a reach of 1811 mm. KR 50 R2100 HO has a reach of 2101 mm.
Are ABB IRB-4600 and KR 50 R2100 HO in the same category?
Both robots are classified as Industrial Arm on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Industrial Arm robots?
Hardware cost is one input. Industrial Arm TCO also includes integration, training, downtime, and end-of-life. Our breakdown: TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming.
What should a buyer ask vendors when choosing between ABB IRB-4600 and KR 50 R2100 HO?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Industrial Arm Vendor Selection: Capability Matrices and Proof Points.
Going deeper — picking the right robot
TCO of a 6-Axis Arm Cell: Hardware, EOAT, Integration, Programming
7 min readIndustrial Arms
Industrial Arm Vendor Selection: Capability Matrices and Proof Points
9 min readIndustrial Arms
Programming Approaches: Teach Pendant, Offline, AI-Assisted — What Each Costs You
8 min readIndustrial Arms
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
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About this comparison
ABB IRB-4600 vs KR 50 R2100 HO compares two robots in the industrial-arm category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Score is calculated.