PSH-20-UCO vs SR
Side-by-side comparison of PSH-20-UCO (Quad A) and SR (DAIHEN) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Warehousing & Logistics buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- PSH-20-UCO—
- SRJapan
Year First Available
- PSH-20-UCO—
- SR1983
Verified Deployments
- PSH-20-UCO0 Deployments
- SR0 Deployments
Layer 2: Operational
Availability Status
- PSH-20-UCOACTIVE
- SRACTIVE
Arm Mechanics
Degrees of Freedom
- PSH-20-UCO—
- SR6
Robot Weight
- PSH-20-UCO1.2 kg
- SR—
IP Rating (Arm)
- PSH-20-UCOIP67
- SR—
Performance
MTBF
- PSH-20-UCO469,000 hrs
- SR—
Duty Cycle
- PSH-20-UCOnot specified
- SR—
Controller & Programming
Controller Model
- PSH-20-UCO—
- SRAX series controller (co-developed with Nachi-Fujikoshi)
Teach Pendant Type
- PSH-20-UCO—
- SRwired button
Connectivity
ROS-Industrial Support
- PSH-20-UCOnone
- SR—
Predictive Maintenance
- PSH-20-UCOnone
- SR—
End-Effector
Internal Cable Routing
- PSH-20-UCOexternal only
- SR—
Commercial
Warranty
- PSH-20-UCO3 yrs
- SR—
Service Network
- PSH-20-UCOsparse
- SRglobal
Expected Service Life
- PSH-20-UCO15 yrs
- SR—
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | — | Japan |
| Year First Available (values differ) | — | 1983 |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Degrees of Freedom (values differ) | — | 6 |
| Robot Weight (values differ) | 1.2 kg | — |
| IP Rating (Arm) (values differ) | IP67 | — |
| Performance | ||
| MTBF (priority for Warehousing & Logistics buyers) (values differ) | 469,000 hrs | — |
| Duty Cycle (values differ) | not specified | — |
| Controller & Programming | ||
| Controller Model (values differ) | — | AX series controller (co-developed with Nachi-Fujikoshi) |
| Teach Pendant Type (values differ) | — | wired button |
| Connectivity | ||
| ROS-Industrial Support (values differ) | none | — |
| Predictive Maintenance (values differ) | none | — |
| End-Effector | ||
| Internal Cable Routing (values differ) | external only | — |
| Commercial | ||
| Warranty (values differ) | 3 yrs | — |
| Service Network (values differ) | sparse | global |
| Expected Service Life (values differ) | 15 yrs | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price Range (USD), Battery / Shift Runtime, Payload, Reach, Repeatability, Path Accuracy, Max TCP Speed, IP Rating (Wrist), Cycle Time (25/305/25), Vibration Damping, Safety Category, Dual Check Safety, Safety I/O Pairs, E-Stop Response, Safe Zone Count, Programming Languages, Offline Programming, Digital Twin Support, Communication Protocols, IoT / Cloud Platform, Cybersecurity Certs, Tool Flange Standard, Tool Changer (ISO), Pneumatic Lines, Electrical Lines, Price (USD), Spare Parts Lead Time
best in categoryweakest in categoryvalues differ
Trade-offs at a glance
Frequently asked
Who makes PSH-20-UCO and SR?
PSH-20-UCO is made by Quad A. SR is made by DAIHEN, based in JP.
How do PSH-20-UCO and SR compare on the Robo Index?
PSH-20-UCO grades BB on the Robo Index. SR 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 PSH-20-UCO and SR 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 PSH-20-UCO and SR?
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
PSH-20-UCO vs SR 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.