Horn and Alarm vs KR 120 R3900-2 K
Side-by-side comparison of Horn and Alarm (WERMA) and KR 120 R3900-2 K (KUKA Robotics) — specs, pricing, Robo Index, 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
- Horn and AlarmGermany
- KR 120 R3900-2 KGermany
Year First Available
- Horn and Alarm2022
- KR 120 R3900-2 K2015
Verified Deployments
- Horn and Alarm0 Deployments
- KR 120 R3900-2 K0 Deployments
Layer 2: Operational
Price Range (USD)
- Horn and AlarmContact for quote
- KR 120 R3900-2 K$19,000–$84,900 USD
Availability Status
- Horn and AlarmACTIVE
- KR 120 R3900-2 KACTIVE
Arm Mechanics
Reach
- Horn and Alarm—
- KR 120 R3900-2 K3,904 mm
Repeatability
- Horn and Alarm—
- KR 120 R3900-2 K±0.04 mm
Payload
- Horn and Alarm—
- KR 120 R3900-2 K146 kg
IP Rating (Arm)
- Horn and AlarmIP65
- KR 120 R3900-2 KIP65
Degrees of Freedom
- Horn and Alarm—
- KR 120 R3900-2 K6
Robot Weight
- Horn and Alarm0.3 kg
- KR 120 R3900-2 K42 kg
IP Rating (Wrist)
- Horn and Alarm—
- KR 120 R3900-2 KIP67
Controller & Programming
Controller Model
- Horn and Alarm—
- KR 120 R3900-2 KKR C5, KR C5 micro
Commercial
Price (USD)
- Horn and AlarmContact for quote
- KR 120 R3900-2 K$19,000–$84,900 USD
Warranty
- Horn and Alarm—
- KR 120 R3900-2 K2 yrs
Service Network
- Horn and Alarmglobal
- KR 120 R3900-2 Kglobal
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country | Germany | Germany |
| Year First Available (values differ) | 2022 | 2015 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | Contact for quote | $19,000–$84,900 USD |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Reach (priority for Manufacturing buyers) (values differ) | — | 3,904 mm |
| Repeatability (priority for Manufacturing buyers) (values differ) | — | ±0.04 mm |
| Payload (priority for Manufacturing buyers) (values differ) | — | 146 kg |
| IP Rating (Arm) (priority for Manufacturing buyers) | IP65 | IP65 |
| Degrees of Freedom (values differ) | — | 6 |
| Robot Weight (values differ) | 0.3 kg | 42 kg |
| IP Rating (Wrist) (values differ) | — | IP67 |
| Controller & Programming | ||
| Controller Model (values differ) | — | KR C5, KR C5 micro |
| Commercial | ||
| Price (USD) (values differ) | Contact for quote | $19,000–$84,900 USD |
| Warranty (values differ) | — | 2 yrs |
| Service Network | global | global |
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, 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, Pneumatic Lines, Electrical Lines, Spare Parts Lead Time, Expected Service Life
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes Horn and Alarm and KR 120 R3900-2 K?
Horn and Alarm is made by WERMA, based in DE. KR 120 R3900-2 K is made by KUKA Robotics, based in DE.
When were Horn and Alarm and KR 120 R3900-2 K launched?
Horn and Alarm launched in 2022. KR 120 R3900-2 K launched in 2015.
How do Horn and Alarm and KR 120 R3900-2 K compare on the Robo Index?
Horn and Alarm grades BB on the Robo Index. KR 120 R3900-2 K grades AA. The Robo Index is a credibility grade (AAA … C) that blends commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Are Horn and Alarm and KR 120 R3900-2 K 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 Horn and Alarm and KR 120 R3900-2 K?
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
Horn and Alarm vs KR 120 R3900-2 K 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 Index is calculated.