Angled image of 520A switched lampholde 2 pin BC 1/2 inch brass thread

Switched Lampholders and Accessories, BC 1/2 inch, Brass Thread

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


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

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      Frequently Asked Questions

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

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

      Is the Clipsal 520A available in Black

      No - only availble in white

      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)

      Does the Clipsal 520B come in Black?

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

      Do you still have the 521A threaded nipple?

      No ,unfortunately this part is no longer available.

      For further information please visit

      What edge was a 520 dimmer

       It was a leading edge 
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