The store will not work correctly when cookies are disabled.
Location Hager in the world
  • Contact
  • Products compliant to other standards
Image Logo  | Hager UK
  • Better buildings. Better tomorrows.

  • Menu
    • Products
    • Solutions
    • Inspiration and knowledge
    • Support
    • Find a wholesaler
    Account
    • catalog.pagelevel.title_breadcrumb.home
    • Catalog
    • Modular devices
    • Modular protec­tion and accessories
    • Add-on blocks for MCB and multi­polar
    • BDC863
    The Hager earth leakage add-on-block, 4P 63A Type AC 30mA with double output, upgrades compatible breakers with residual-current protection for people and fire safety. Suits 230-400 V, 50 Hz systems; Ui 500 V, Uimp 4 kV. Left neutral, aligned terminals for quick wiring. Compact 3-module (52.5×102×70 mm) design for residential and commercial distribution boards.
    EAN
    3250611310037
    VPE
    1 piece
    • Add-on blocks for MCB and multi­polar

    kWh meter Phase+Neutral Direct 40A Class B Optical 1 Module BDC863

    catalog.product_page.add_to_list_button
    catalog.product_page.add_to_list_button

    catalog.lists.product_addition.login_popup.title

    catalog.lists.product_addition.login_popup.descriptive_text

    catalog.lists.product_addition.login_popup.account_creation_button catalog.lists.product_addition.login_popup.login_button

    kWh meter Phase+Neutral Direct 40A Class B Optical 1 Module

    BDC863

    • Technical characteristics
    • catalog.pageproduct.title_sustainability.h2
    • Documentations
    • More products

    Technical characteristics

    Archi­tec­ture
    • Neutral posi­tion
      Left
    • Number of poles
      4
    Capa­city
    • Number of modules
      3
    Voltage
    • Rated oper­a­tional voltage Ue
      230 - 400 V
    • Rated insu­la­tion voltage Ui
      500 V
    • Rated impulse with­stand voltage Uimp
      4000 V
    Frequency
    • Frequency
      50 - 50 Hz
    Elec­tric current
    • Rated residual oper­ating current Idn
      30 mA
    • Rated current IN
      63 A
    Connectivity
    • Down connec­tion align­ment for modular devices
      Aligned terminal
    Dimen­sions
    • Height
      102 mm
    • Width
      52.50 mm
    • Depth
      70 mm

    catalog.pageproduct.title_sustainability.h2

    We are committed to bettering our environmental performance by reducing our footprint while acting as a sustainability enabler for our customers. Learn More

    RoHS conform Yes

    catalog.pageproduct.sustainability_block.downloads_h3

    PEP - Earth leakage add-on block 4P 63A 30mA A Class (english)
    PDF
    666,81 kB
    REACH declaration BDC863
    PDF
    RoHS report BDC863
    PDF

    Downloads

    • Image BDC863  | Hager UK

      Product Image BDC863

    • GeneratedProductDatasheet

      Image Hager Product data sheet BDC863  | Hager UK

      Hager Product data sheet BDC863

      Earth leakage add-on-block with double output 4P 63A 30mA AC class

      PDF
    • ProductECDeclaration

      Image Declaration of conformity en-US 2026-07-14  | Hager UK

      Declaration of conformity en-US 2026-07-14

      PDF
      261,94 kB
    More documentation

    Discover our other products of this range

      5
    • 1
      BFC840 - Add-on RCCB double output 4P 25A 300mA AC 230-400V 3 modules
      BFC840
      Earth leakage add-on-block with double output 4P 40A 300mA AC class
    • 2
      BDC840 - Earth leakage add-on block 4P 63A 300mA AC class, double output, 3 modules
      BDC840
      Earth leakage add-on-block with double output 4P 40A 30mA AC class
    • 3
      BFC825 - Earth leakage add-on block 4P 63A 500mA AC class 230-400V
      BFC825
      Earth leakage add-on-block with double output 4P 25A 300mA AC class
    • 4
      BD264 - Earth leakage add-on block 2P 63A 30mA AC Class
      BD264
      Earth leakage add-on block 2P 63A 30mA AC Class
    • 5
      BDH480E - Earth leakage add-on-block 4P 125A 30mA type  A HI
      BDH480E
      Earth leakage add-on-block 4P 125A 30mA type A HI

    Products and solutions

    • Products catalog
    • Distribution systems
    • High Power & Switching
    • Modular devices
    • Electric Vehicle Charging Station (EVCS)
    • Energie management and monitoring
    • Cable routing and room connection systems
    • Wiring accessories
    • Building automation
    • Motion and presence detectors

    Contact and support

    • Find your closest wholesaler
    • Contact us
    • How to videos
    • FAQs
    • Digital tools
    • Documentation
    • Learning
    • News

    Hager Africa & Near East - Who are we

    We deliver safe and simple electrical solutions, from energy distribution and cable management, to lighting control and building automation systems for commercial and residential buildings. We want to make life on our planet safer, cleaner and more enjoyable. While being easy to work with, we remain by your side throughout the entire project, cooperating, collaborating and co-creating with you.

    More about us

    Follow us!

     title= title=
    • Cookies
    • Privacy
    • Hagergroup
    • Report a vulnerability

    Hager Group