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ABB IRB 120 FlexMove vs ABB IRB-6600

Side-by-side comparison of ABB IRB 120 FlexMove (ABB) and ABB IRB-6600 (ABB) — specs, pricing, Robo Index, and verified deployments. Updated daily.

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Optimized for Healthcare & Hospitals buyers. Priority specs lifted to the top and marked with a target.

Layer 1: Identity & Trust

Manufacturer Country

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveSwitzerland
  • ABB IRB-6600
    ABB IRB-6600Switzerland

Year First Available

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove2018
  • ABB IRB-6600
    ABB IRB-66002015

Verified Deployments

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove0 Deployments
  • ABB IRB-6600
    ABB IRB-66000 Deployments

Layer 2: Operational

Price

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove$65,000 USD
  • ABB IRB-6600
    ABB IRB-6600Contact for quote

Availability Status

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveACTIVE
  • ABB IRB-6600
    ABB IRB-6600ACTIVE

Arm Mechanics

Repeatability

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove±0.03 mm
  • ABB IRB-6600
    ABB IRB-6600±0.1 mm

IP Rating (Arm)

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveIP54
  • ABB IRB-6600
    ABB IRB-6600IP67

Reach

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove900 mm
  • ABB IRB-6600
    ABB IRB-66003,200 mm

Payload

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove12 kg
  • ABB IRB-6600
    ABB IRB-6600225 kg

Degrees of Freedom

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove6
  • ABB IRB-6600
    ABB IRB-66006

Path Accuracy

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove±0.1 mm
  • ABB IRB-6600
    ABB IRB-6600±0.5 mm

Robot Weight

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove35 kg
  • ABB IRB-6600
    ABB IRB-6600235 kg

IP Rating (Wrist)

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-6600IP67

Performance

Cycle Time (25/305/25)

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-66000.4 s

MTBF

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove50,000 hrs
  • ABB IRB-6600
    ABB IRB-6600100,000 hrs

Duty Cycle

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove24 7 continuous
  • ABB IRB-6600
    ABB IRB-6600continuous 24 7

Vibration Damping

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-6600active model based

Safety

Safety Category

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-6600Cat.3 PLd

Dual Check Safety

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveYes
  • ABB IRB-6600
    ABB IRB-6600Yes

Safety I/O Pairs

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove2
  • ABB IRB-6600
    ABB IRB-6600

E-Stop Response

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-660015 ms

Safe Zone Count

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-66008

Controller & Programming

Controller Model

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveOmniCore™
  • ABB IRB-6600
    ABB IRB-6600R-30iB Plus

Programming Languages

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveRAPID
  • ABB IRB-6600
    ABB IRB-6600TP, KAREL

Teach Pendant Type

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMovewired touch
  • ABB IRB-6600
    ABB IRB-6600smart pad

Offline Programming

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveRobotStudio
  • ABB IRB-6600
    ABB IRB-6600ROBOGUIDE

Digital Twin Support

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveYes
  • ABB IRB-6600
    ABB IRB-6600

Connectivity

ROS-Industrial Support

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-6600vendor supported

IoT / Cloud Platform

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveABB Ability
  • ABB IRB-6600
    ABB IRB-6600FANUC ZDT

Predictive Maintenance

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMovethreshold based
  • ABB IRB-6600
    ABB IRB-6600threshold based

End-Effector

Tool Flange Standard

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveiso 9283
  • ABB IRB-6600
    ABB IRB-6600ISO 9409-1

Tool Changer (ISO)

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-6600ATI

Internal Cable Routing

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMovethrough arm and wrist
  • ABB IRB-6600
    ABB IRB-6600through arm and wrist

Pneumatic Lines

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove1
  • ABB IRB-6600
    ABB IRB-66002

Electrical Lines

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-66008

Commercial

Price (USD)

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove$65,000 USD
  • ABB IRB-6600
    ABB IRB-6600Contact for quote

Warranty

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove1 yrs
  • ABB IRB-6600
    ABB IRB-66003 yrs

Service Network

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMoveglobal
  • ABB IRB-6600
    ABB IRB-6600global

Spare Parts Lead Time

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-66007 days

Expected Service Life

  • ABB IRB 120 FlexMove
    ABB IRB 120 FlexMove
  • ABB IRB-6600
    ABB IRB-660010 yrs

Insufficient data for full comparison

The following fields had no data for any of the selected robots: Battery / Shift Runtime, Max TCP Speed, Communication Protocols, Cybersecurity Certs

best in categoryweakest in categoryvalues differ

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

MetricABB IRB 120 FlexMoveABB IRB-6600
Investment$65,000No price
Payback period15.6 mo
Net savings (5 yr)$185,000
ROI (5 yr)+285%

ABB IRB-6600 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 ABB IRB 120 FlexMove and ABB IRB-6600?

ABB IRB 120 FlexMove is made by ABB, based in CH. ABB IRB-6600 is made by ABB, based in CH.

When were ABB IRB 120 FlexMove and ABB IRB-6600 launched?

ABB IRB 120 FlexMove launched in 2018. ABB IRB-6600 launched in 2015.

How do ABB IRB 120 FlexMove and ABB IRB-6600 compare on the Robo Index?

ABB IRB 120 FlexMove grades AA on the Robo Index. ABB IRB-6600 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 ABB IRB 120 FlexMove compare to ABB IRB-6600?

ABB IRB 120 FlexMove has a reach of 580 mm. ABB IRB-6600 has a reach of 1811 mm.

Are ABB IRB 120 FlexMove and ABB IRB-6600 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 ABB IRB 120 FlexMove and ABB IRB-6600?

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.

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About this comparison

ABB IRB 120 FlexMove vs ABB IRB-6600 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.