Global site

ABB's website uses cookies. By staying here you are agreeing to our use of cookies. Learn more

Transformer protection and control RET620 ANSI

Reliability, security, and dependability with Relion®

RET620 is a dedicated transformer relay perfectly aligned for the protection, control, measurement, and supervision of two- or three-winding power transformers and power generator-transformer blocks in utility and industrial power distribution systems. RET620 is a member of ABB’s Relion® product family and a part of its 620 series products.

The 620 series relays are characterized by flexibility and performance for demanding utility distribution and industrial applications. Engineered from the ground up, the 620 series has been designed to unleash the full potential of the IEC 61850 standard for communication and interoperability between substation automation devices.

Scope

  •  Ideal protection for two-winding power transformers and power generator-transformer blocks

Product benefits

  • Maximized capital by keeping assets working longer with designs that require less equipment and space
  • Enhanced safety by reducing hazards with safety-conscious designs
  • Increased reliability by maintaining vital operations with steady, high-quality power every minute of every day
  • Reduced operating costs with effective energy management and maintenance strategies
  • More flexible system upgrades without rewiring or changing components
  • Ease of integration with non-proprietary IEC 61850 communications

Product features

  • Drawout design
  • Sensitive differential protection for turn-to-turn faults of two or three windings
  • Overexcitation (V/Hz) protection
  • Arc flash detection (AFD)
  • Ring-lug terminals for all inputs and outputs
  • Programmable push buttons

Are you looking for support or purchase information?

Loading documents

Related offering

Contact information

What would you like to do?

Submit your inquiry

Please select country from the list below
Country
widgets-contact-location
For this country please use ABB's partner contact details
Name
Company
E-Mail
Phone
Zip code
Your message
Cancel

Thank you for your inquiry and interest in ABB.
We will get back to you as soon as possible.

Back

An error occurred and your inquiry could not be sent.
Please try again later.

Back

Your local ABB Sales Team

Your local ABB's partner contact

Your local ABB Sales Team

Your local ABB's partner contact

Name
Address
 
Phone
 
Fax
 
E-Mail
 
 

Please select country from the list

Close

Submit your inquiry

Please select country from the list below
Country
widgets-contact-location
For this country please use ABB's partner contact details
Name
Company
E-Mail
Phone
Zip code
Your message
Cancel

Thank you for your inquiry and interest in ABB.
We will get back to you as soon as possible.

Back

An error occurred and your inquiry could not be sent.
Please try again later.

Back

Your local ABB Service Team

Your local ABB's partner contact

Your local ABB Service Team

Your local ABB's partner contact

Name
Address
 
Phone
 
Fax
 
E-Mail
 
 

Please select country from the list

Close

Submit your inquiry

Please select country from the list below
Country
widgets-contact-location
For this country please use ABB's partner contact details
Name
Company
E-Mail
Phone
Zip code
Your message
Cancel

Thank you for your inquiry and interest in ABB.
We will get back to you as soon as possible.

Back

An error occurred and your inquiry could not be sent.
Please try again later.

Back

Your local ABB Emergency Team

Your local ABB's partner contact

Your local ABB Emergency Team

Your local ABB's partner contact

Name
Address
 
Phone
 
Fax
 
E-Mail
 
 

Please select country from the list

Close

Authorized Value Providers

Close
Contact Service unavailable