Surface Switch, 1 Gang, 1 Pole, 250VAC, 20A, Hoseproof, M220 Rating

Surface Switch, 1 Gang, 1 Pole, 250VAC, 20A, Hoseproof, M220 Rating

Surface Switch, 1 Gang, 1 Pole, 250VAC, 20A, Hoseproof, M220 Rating

Item Number: WHB120-RG

RRP (Inc. GST)
Colour Resistant Grey (RG)
  • Resistant Grey 1 PCE



Qty UoM EAN Colour



Range of product


Product brand


Sustainable offer status

Green Premium product


Device presentation

basic element with complete housing

Switch function


Number of poles


Device mounting


Fixing mode

by screws

Local signalling


[Ue] rated operational voltage

250 V AC

Rated current

20 A




  • AS 60529
  • AS/NZS 60947-3
  • IEC 60669-1
  • AS/NZS 3947-3:approval number S/1
    • REACh free of SVHC


      EU RoHS Directive


      Toxic heavy metal free


      Mercury free


      RoHS exemption information


      China RoHS Regulation

       Pro-active China RoHS declaration (out of China RoHS legal scope)

      Environmental Disclosure



      Marking location

      marking on surface

      Package 1 Weight

      497 g

      Package 1 Height

      85 mm

      Package 1 width

      97 mm

      Package 1 Length

      170 mm
      Show all specifications

      Frequently Asked Questions

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      What is the replacement for the Clipsal WHT20 surface switch?

      WHB320 Surface Switch -  Weather Protected, Surface Switches - WHB Series - Weathershield - IP66, Switch 500V 20A - triple pole

      WHB320 can you get the mech only as a part

      No you will need to replace the unit

      Is part number WMS120 padlockable?

      Part number WMS120 can be padlockable.

      Is the WIP120 still available?

      No, it has been replaced with our 56P320-EO.

      What is the replacement for WMC120?

      Replacement for WMC120 is WMC320.

      Would the whb320 be suitable to be used in a spray painting environment?

      No it is a hazardous area, it needs to be "explosion proof". the fumes may ignite when the switch is flicked on by the arc between contacts which could cause a fire.

      Can I get a WMS120 with a key switch?

      No, unfortunately the Wilco metal range does not have a key switch option.

      For further information please visit

      are the small labels that fit LUB120 (just to the top right of the isolator switch) available as a spare part

      No - these are not available as a spare part

      Are the PDL PIB110 still available ?

      No , We have phased out all of the PIB range part nos PIB106,110,116,120 & 132
      We have no alternative in a " Plug in Breaker " range

      What is the replacement for part no WHT20

      Part no WHT20 has been replaced with WHB320

      for more information on this part please refer to

      User-added image

      Is WHB340 available with 32mm conduit entries?

      WHB range of isolators have dual 25mm screwed conduit entries top and bottom (up to 55 amp.) Allows four ways to surface wire the switch. 55 Amp. and above are also available with
      32mm entries top and bottom. Example WHB355/32 IP66, 440V 55A  triple pole with 32mm conduit entries.
      For further information, please refer to the below link:
      User-added image


      What is the part number for the wilco plug to suit a WMB520?

      The part number for the plug to suit a WMB520 is a WIP520B.

      Some of the key features are:
      • Multi phase
      • 5 Round pins
      For further information please visit

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