Global site

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

Surge arrester MWD

Silicone-housed surge arrester of IEC class station low (SL) for AC systems up to 52 kV for indoor use

MWD is a shedless surge arrester with metal-oxide (MO) resistors without spark gaps directly molded in silicone housing, grey color, designed and tested according to IEC 60099-4; and it fulfills the requirement of ANSI/IEEE C62.11. Fire and smoke behavior tested and classified according to EN 45545-2.

It is used for secure protection of medium voltage systems against overvoltages from atmospheric discharges and switching conditions. The product is suitable for indoor installation only.

Applications

  • Medium-voltage dry type transformer
  • Air-insulated medium-voltage switchgear and panel
  • Medium size generator
  • Medium-voltage cable and cable termination
  • Medium-voltage motor
  • Other medium-voltage distribution equipment

Why ABB?

  • Over 100 years of experience in overvoltage protection and more than 30 years with silicone insulation
  • Local and global ABB application support
  • Proven safe short-circuit current design
  • Design life of more than 30 years
  • Own production of metal-oxide (MO) resistors
  • Excellent protection level with low residual voltage
  • Maintenance free
Brief performance data
  MWD
Maximum system voltage (Us)  kV 52
Continuous voltage through arrester (Uc)  kVrms 4-44
Rated voltage of arrester (Ur)  kVrms 5-55
Nominal discharge current (In)  kApeak 10
Thermal energy rating (Wth)  kJ/kV (Ur) 5.0
For more details see the data sheet in downloads below.

 

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 / region
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 / region
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 / region
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