SRA Series

Heavy Duty Robots


The next generation of hollow arm heavy duty robots. Cables and hoses are fully enclosed to increase cable reliability and improve rate of operation. Provides a cleaner profile for installing directly in the assembly line and improves operational accuracy of offline programming.


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High Speed


Using higher speeds and vibration damping properties, we greatly improved productivity by shortening cycle times 30% (compared to our previous models) improvements were made in three areas, weight reduction, higher rigidity, and faster controls.







SRA100H Heavy duty and spot welding robot From Nachi


SRA210H

Compact Design


The compact design allows for high density installation layouts

and maintenance is streamlined making periodic inspections

and parts replacement easy to do.





SRA300 Heavy duty and spot welding robot From Nachi


SRA300

Low Power Consumption


The lighter weight and the latest in motor drive controls have

reduced power consumption by 15% over previous models

reducing environmental impact. Meet your needs on site with a payload selection up to a maximum of 300 kg.





SRA210H Heavy duty and spot welding robot From Nachi


SRA210H

SRA Model Product List

Product Model*2 Max. Reach (mm): Payload (kg): Number of axis: Repeatability (mm): Protection Rating Body: Protection Rating Upper Arm: Clean Room Rating: Hollow Wrist or Arm: Mounting Weight (kg):
SRA100HS 1,634mm 100 6 ±0.06mm IP54 equivalent IP54 equivalent Floor 690kg
SRA100HB 2,044mm 100 6 ±0.06mm IP54 equivalent IP54 equivalent Floor 750kg
SRA100H 2,654mm 100 6 ±0.06mm IP54 equivalent IP54 equivalent Floor 1,040kg
SRA133H 2,654mm 133 6 ±0.06mm IP54 equivalent IP54 equivalent Floor 1,040kg
SRA133HL 2,951mm 133 6 ±0.06mm IP54 equivalent IP54 equivalent Floor 1,070kg
SRA166H 2.654mm 166 6 ±0.06mm IP54 equivalent IP54 equivalent Floor 1,100kg
SRA210H 2,654mm 210 6 ±0.06mm IP54 equivalent IP54 equivalent Floor 1,100kg
SRA220H 2,575mm 220 6 ±0.06mm IP54 equivalent IP54 equivalent Floor 1,100kg
SRA220HV 2,575mm 200 6 ±0.15mm IP54 equivalent IP54 equivalent Floor 1,100kg
SRA100J 1,634mm 100 6 ±0.06mm IP54 equivalent IP67 equivalent Floor 670kg
SRA100B 2,071mm 100 6 ±0.06mm IP54 equivalent IP67 equivalent Floor 690kg
SRA100 (100-01A)*1 2,654mm 100 6 ±0.06mm IP54 equivalent IP67 equivalent Floor 960 (1,060)kg
SRA166 (166-01A)*1 2,654mm 166 6 ±0.06mm IP54 equivalent IP67 equivalent Floor 960 (1,060)kg
SRA210 (210-01A)*1 2,674mm 210 6 ±0.06mm IP54 equivalent IP67 equivalent Floor 990 (1,090)kg
SRA240 2,674mm 240 6 ±0.06mm IP54 equivalent IP67 equivalent Floor 990kg
SRA250 2,792mm 250 6 ±0.06mm IP54 equivalent IP67 equivalent Floor 1,030kg
SRA300 2,674mm 300 6 ±0.1mm IP54 equivalent IP67 equivalent Floor 1,170kg

*1: Equipped with "A-Trac4" cable support on arm suitable for spot welding.
*2: See the Datasheet for specific product model specifications.

Next Level Robot Automation 


Let Industrial robots and robot automation take you to the next level. Increase up-time with Nachi robots, promote a healthy and safe work environment, and engage productivity with a smart production.

Need some inspiration? Take a look at the video below.


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