NJ4-220 vs Explorer
Side-by-side comparison of NJ4-220 (Comau) and Explorer (OC 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
- NJ4-220Italy
- ExplorerUnited Kingdom
Year First Available
- NJ4-220—
- Explorer2009
Verified Deployments
- NJ4-2200 Deployments
- Explorer0 Deployments
Layer 2: Operational
Availability Status
- NJ4-220ACTIVE
- ExplorerACTIVE
Arm Mechanics
Reach
- NJ4-2202,701 mm
- Explorer2,500 mm
Repeatability
- NJ4-220±0.08 mm
- Explorer—
Payload
- NJ4-220220 kg
- Explorer20 kg
IP Rating (Arm)
- NJ4-220IP65 / IP67
- Explorer—
Degrees of Freedom
- NJ4-2206
- Explorer—
Robot Weight
- NJ4-2201,220 kg
- Explorer18.6 kg
Controller & Programming
Controller Model
- NJ4-220—
- ExplorerControl and simulation unit
Teach Pendant Type
- NJ4-220TP5
- Explorer—
End-Effector
Tool Flange Standard
- NJ4-220ISO 9409 – 1 – A 160
- Explorer—
| ||
|---|---|---|
| Layer 1: Identity & Trust | ||
| Manufacturer Country (values differ) | Italy | United Kingdom |
| Year First Available (values differ) | — | 2009 |
| 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) | 2,701 mm | 2,500 mm |
| Repeatability (priority for Manufacturing buyers) (values differ) | ±0.08 mm | — |
| Payload (priority for Manufacturing buyers) (values differ) | 220 kg | 20 kg |
| IP Rating (Arm) (priority for Manufacturing buyers) (values differ) | IP65 / IP67 | — |
| Degrees of Freedom (values differ) | 6 | — |
| Robot Weight (values differ) | 1,220 kg | 18.6 kg |
| Controller & Programming | ||
| Controller Model (values differ) | — | Control and simulation unit |
| Teach Pendant Type (values differ) | TP5 | — |
| End-Effector | ||
| Tool Flange Standard (values differ) | ISO 9409 – 1 – A 160 | — |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Price, 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, Offline Programming, Digital Twin Support, Communication Protocols, ROS-Industrial Support, IoT / Cloud Platform, Cybersecurity Certs, Predictive Maintenance, Tool Changer (ISO), Internal Cable Routing, Pneumatic Lines, Electrical Lines, Price (USD), Warranty, Service Network, 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 | NJ4-220 | Explorer |
|---|---|---|
| Investment | No price | No price |
| Payback period | — | — |
| Net savings (5 yr) | — | — |
| ROI (5 yr) | — | — |
NJ4-220, Explorer 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 NJ4-220 and Explorer?
NJ4-220 is made by Comau, based in IT. Explorer is made by OC Robotics, based in GB.
How do NJ4-220 and Explorer compare on the Robo Index?
NJ4-220 grades A on the Robo Index. Explorer 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.
How does the reach of NJ4-220 compare to Explorer?
NJ4-220 has a reach of 3002 mm. Explorer has a reach of 2500 mm.
Are NJ4-220 and Explorer 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 NJ4-220 and Explorer?
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
Want to be notified when specs or pricing change for these robots? Drop your email.
Other comparisons
About this comparison
NJ4-220 vs Explorer 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.