KR CYBERTECH ARC vs NB4
Side-by-side comparison of KR CYBERTECH ARC (KUKA) and NB4 (Beijing ROKAE Technology Co., Ltd.) — specs, pricing, Robolist Trust Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Last-Mile Delivery buyers. Priority specs lifted to the top and marked with a target.
 KR CYBERTECH ARCindustrial-armKUKA10.0Trust Score |  NB4industrial-armBeijing ROKAE Technology Co., Ltd.10.0Trust Score | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | DE | CN |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $45,000–$80,000 | $14,999–$17,490 |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Payload (priority for Last-Mile Delivery buyers) (values differ) | 8 kg | 4 kg |
| IP Rating (Arm) (priority for Last-Mile Delivery buyers) (values differ) | IP 54, IP 65 | IP67 |
| Reach (values differ) | 2,010 mm | 580 mm |
| Degrees of Freedom | 6 | 6 |
| Repeatability (values differ) | ±0.04 mm | ±0.02 mm |
| Robot Weight (values differ) | — | 22 kg |
| Controller & Programming | ||
| Controller Model (values differ) | KR C5 | — |
| End-Effector | ||
| Pneumatic Lines (values differ) | — | 4 |
| Electrical Lines (values differ) | — | 8 |
| Commercial | ||
| Price (USD) (values differ) | $45,000–$80,000 | $14,999–$17,490 |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Year First Available, Battery / Shift Runtime, Path Accuracy, Max TCP Speed, IP Rating (Wrist), Cycle Time (25/305/25), MTBF, Duty Cycle, Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Programming Languages, Teach Pendant Type, Offline Programming, Digital Twin Support, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Flange Standard, Tool Changer (ISO), Internal Cable Routing, Warranty, Service Network, Spare Parts Lead Time, Expected Service Life
About this comparison
KR CYBERTECH ARC vs NB4 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 Robolist Trust Score is calculated.