KR 120 R3900-2 K vs Robotphoenix Delta Robots
Side-by-side comparison of KR 120 R3900-2 K (KUKA Robotics) and Robotphoenix Delta Robots (Robotphoenix Technology Co., Ltd.) — specs, pricing, Robo Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Cleaning & Facilities buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- KR 120 R3900-2 KGermany

- Robotphoenix Delta RobotsChina

Year First Available
- KR 120 R3900-2 K2015

- Robotphoenix Delta Robots—

Verified Deployments
- KR 120 R3900-2 K0 Deployments

- Robotphoenix Delta Robots0 Deployments

Layer 2: Operational
Price
- KR 120 R3900-2 K$19,000–$84,900 USD

- Robotphoenix Delta RobotsContact for quote

Availability Status
- KR 120 R3900-2 KACTIVE

- Robotphoenix Delta RobotsACTIVE

Arm Mechanics
Robot Weight
- KR 120 R3900-2 K42 kg

- Robotphoenix Delta Robots60 kg

Payload
- KR 120 R3900-2 K146 kg

- Robotphoenix Delta Robots3 kg

Reach
- KR 120 R3900-2 K3,904 mm

- Robotphoenix Delta Robots600 mm

Degrees of Freedom
- KR 120 R3900-2 K6

- Robotphoenix Delta Robots4

Repeatability
- KR 120 R3900-2 K±0.04 mm

- Robotphoenix Delta Robots±0.08 mm

IP Rating (Arm)
- KR 120 R3900-2 KIP65

- Robotphoenix Delta RobotsIP54

IP Rating (Wrist)
- KR 120 R3900-2 KIP67

- Robotphoenix Delta Robots—

Performance
Duty Cycle
- KR 120 R3900-2 K—

- Robotphoenix Delta Robotscontinuous 24 7

Controller & Programming
Controller Model
- KR 120 R3900-2 KKR C5, KR C5 micro

- Robotphoenix Delta RobotsKingkong Controller

Programming Languages
- KR 120 R3900-2 K—

- Robotphoenix Delta RobotsPython, KRL

Teach Pendant Type
- KR 120 R3900-2 K—

- Robotphoenix Delta Robotswired button

Offline Programming
- KR 120 R3900-2 K—

- Robotphoenix Delta RobotsRoboDK

Connectivity
ROS-Industrial Support
- KR 120 R3900-2 K—

- Robotphoenix Delta Robotsnone

End-Effector
Tool Flange Standard
- KR 120 R3900-2 K—

- Robotphoenix Delta RobotsISO 9409-1

Internal Cable Routing
- KR 120 R3900-2 K—

- Robotphoenix Delta Robotsthrough arm

Commercial
Price (USD)
- KR 120 R3900-2 K$19,000–$84,900 USD

- Robotphoenix Delta RobotsContact for quote

Warranty
- KR 120 R3900-2 K2 yrs

- Robotphoenix Delta Robots—

Service Network
- KR 120 R3900-2 Kglobal

- Robotphoenix Delta Robotsregional

![]() | ![]() | |
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Germany | China |
| Year First Available (values differ) | 2015 | — |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | $19,000–$84,900 USD | Contact for quote |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Robot Weight (priority for Cleaning & Facilities buyers) (values differ) | 42 kg | 60 kg |
| Payload (priority for Cleaning & Facilities buyers) (values differ) | 146 kg | 3 kg |
| Reach (values differ) | 3,904 mm | 600 mm |
| Degrees of Freedom (values differ) | 6 | 4 |
| Repeatability (values differ) | ±0.04 mm | ±0.08 mm |
| IP Rating (Arm) (values differ) | IP65 | IP54 |
| IP Rating (Wrist) (values differ) | IP67 | — |
| Performance | ||
| Duty Cycle (values differ) | — | continuous 24 7 |
| Controller & Programming | ||
| Controller Model (values differ) | KR C5, KR C5 micro | Kingkong Controller |
| Programming Languages (values differ) | — | Python, KRL |
| Teach Pendant Type (values differ) | — | wired button |
| Offline Programming (values differ) | — | RoboDK |
| Connectivity | ||
| ROS-Industrial Support (values differ) | — | none |
| End-Effector | ||
| Tool Flange Standard (values differ) | — | ISO 9409-1 |
| Internal Cable Routing (values differ) | — | through arm |
| Commercial | ||
| Price (USD) (values differ) | $19,000–$84,900 USD | Contact for quote |
| Warranty (values differ) | 2 yrs | — |
| Service Network (values differ) | global | regional |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Battery / Shift Runtime, Path Accuracy, Max TCP Speed, Cycle Time (25/305/25), MTBF, Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Digital Twin Support, Communication Protocols, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Changer (ISO), Pneumatic Lines, Electrical Lines, Spare Parts Lead Time, Expected Service Life
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 | KR 120 R3900-2 K | Robotphoenix Delta Robots |
|---|---|---|
| Investment | $51,950 | No price |
| Payback period | 12.5 mo | — |
| Net savings (5 yr) | $198,050 | — |
| ROI (5 yr) | +381% | — |
Robotphoenix Delta Robots has 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 KR 120 R3900-2 K and Robotphoenix Delta Robots?
KR 120 R3900-2 K is made by KUKA Robotics, based in DE. Robotphoenix Delta Robots is made by Robotphoenix Technology Co., Ltd., based in CN.
How do KR 120 R3900-2 K and Robotphoenix Delta Robots compare on the Robo Score?
KR 120 R3900-2 K scores 78.0 on the Robo Score. Robotphoenix Delta Robots scores 57.5. 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 KR 120 R3900-2 K compare to Robotphoenix Delta Robots?
KR 120 R3900-2 K has a reach of 3904 mm. Robotphoenix Delta Robots has a reach of 600 mm.
Are KR 120 R3900-2 K and Robotphoenix Delta Robots 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 KR 120 R3900-2 K and Robotphoenix Delta Robots?
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
KR 120 R3900-2 K vs Robotphoenix Delta Robots 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.