Angled image of 520B switched lampholder 2 pin BC with 3/8 inch brass thread

Switched Lampholders and Accessories, BC 3/8 inch, Brass Thread

Catalogue Number: 520B
Colour White Electric (WE)
  • White Electric 1 PCE 1


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Package 1 width
35 mm
Package 1 Height
35 mm
Package 1 Length
92 mm
Product brand
Product or component type
switched BC lamp holder adaptor
Provided equipment
  • skirt
  • lamp holder
  • cap
    • Colour tint
      [Ue] rated operational voltage
      250 V
      Rated current
      3 A
      Fixing mode
      by screws
      Package 1 Weight
      64 g
      EU RoHS Directive
      Under investigation

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      Frequently Asked Questions

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      Does the Clipsal 520B come in Black?

      The 520B is only available in white (520B-WE).

      What is the part code for a 'switched' BC lampholder?

      3/8" brass thread - 520B
      1/2" brass thread - 520A

      What is the part number for a PDL switched lampholder

      Not available in the PDL range but you can use the Clipsal version - 520B (3/8" brass thread) 520A (1/2" brass thread)

      Is the Clipsal 520A available in Black

      No - only availble in white

      What edge was a 520 dimmer

       It was a leading edge 

      On ATV320 drive, what would cause register 5202 reading logic input status LI6 not to turn on?

      Register 5202 reading logic input status LI6 not to turning on, ATV320 drive.

      Product Line:
      ATV320 drive


      LI6 status is not showing up on register 5202 logic input status. 

      Reading address 5202 over Canopen or modbus and bit 5 for LI6 is not turning on. 

      Checked PTC assignment and its NO

      Checked with a meter and com to LI6= 24vdc  

      Check the status of Sw1 make sure its source.  

      Check the status of Sw2 make sure its Logic input not PTC.
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