Used for collateral, as web image

Fixing Screw; #6-32 UNC x 2 Inch

Catalogue Number: PDL204
Used for collateral, as web image
Colour: Per UOM Std.
  • 1 PCE 1


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Range of product
600 Series
Product or component type
Surface finish
zinc plated
6-32 UNC x 50 mm
Ambient air temperature for operation
-10-40 °C
Quantity per set
set of 100
Type of packing
plastic bag
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)
Circularity Profile

Documents & downloads

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Frequently Asked Questions

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What is the code for spare PDL standard mounting screws

They are available in 3 different sizes:
16mmx6 - 32 UNC = PDL201
30mmx6 - 32 UNC = PDL202 (standard size)
50mmx6 - 32 UNC = PDL204

What length is the longest PDL mounting screw available?

The PDL204 is the longest Screw Length we have and that is 50mm.
A longer screw would need to be sourced through a third party. the Thread type is 6/32 UNC

What is the maximum wattage for a PDL29L (29L)

150W Max


Whats the dimensions for a PD20, PD20F

 70 x 52 x 38 (H x W x D) 

Whats the minimum load for a PDL654

The minimum load is  20W 0.1A

Whats the Maximum load for a PDL654

 The maximum load is  450W 1.8A

What is the code for PDL flush box screws ?

There are 3 different sizes of fixing screws. The code for these are:

16mmx6-32UNC - PDL201
30mmx6-32UNC - PDL202
50mmx6-32UNC - PDL204

They all come as a pack of 100.

Is the PDL620K trailing or leading edge?

The 620K is leading edge.

Need PDL720 fuse carrier lid only

No spare parts available, need to order complete unit

L1JCN - Is there a spare knob to suit PDL 654M

Yes code is PDL620P

L1 VME What is the hook Grip Plug? (if struggle with standard plugs)


What colours does the PDL30B come in?

Only white - PDL30BWH

Is the PDL694 still available in Cream

No, it is no longer available that is a discontinued colour.

What is the part code for the replacement rubber seal for PDL 14/15 Tuff light

The part code is PDL20/8

What material is the PDL544 junction box made from?

The Base is Nylon and the cover is ABS.

How many PDLSE4 in a manufacturers box ?

They come in a box of 5

Do you have metal plates for the PDL600 series switches?

Yes, we do have metal cover plates for the PDL600 series switches. The part number for a single gang cover is 681M.

How can I fit a PDL684 into a Strato plate?

To fit a PDL684TM into a Strato plate you would use a 80MA600.

For further information please visit

What is the solid links to fit the PDL720

We do not sell solid links for the PDL720

How to remove or install PDL3208

Please see attached instruction sheet - complete with cleaning instructions.

Is the PDL644 available with a round earth pin?

No, there is no round earth pin equivalent of the PDL644.

Product Safety Recall for PDL3208 Thermosafe wall mounted bathroom fan heater, need information on the Recall.

Heaters installed before July 2006, the product is not affected by this recall.  

Attached is the Recall Notice information regarding the PDL3208 Thermosafe bathroom heater.

What is the size of the cable that can go in PDL754

We do not have a cable size only the diameter of the hole which is 7.8mm
This range has now been obsoleted

Is the PDL3304 still available, or any spare parts?

This item is now obsolete - spare parts no longer available.

What are the dimensions of the PDL194 socket?

Height = 41.8 mm
Width = 48.2 mm
Cutout of 38x32 ​

Are the PDL700 series Fuse holders discontinued? what is the replacement?

700 series Fuse Carriers, eg PDL751 are no longer available with no alternative.

Is there a 10A switch available in the PDL600 series?

No unfortunately we only make the 20A mechanisms now.

What is the PDL800 series USB Mech only & the complete unit with socket & USB Mechanism ?

PDL842MUSB - white or black
PDL894MUSB - only in white

What is the depth of PDL 644 mounting blocks, 640RC and 640SC

 It is 19mm deep

Do we do different colour plates of PDL644

No, it is only available in white - PDL644CWH

Are there any metal cover plates available for the PDL644?

No. Only available in white or black.

Is the PDL644 available in Red

No, the PDL644 is only available in white and black.

what wattage is PDL26 lampholder ?


What is the replacement to the PDL620K dimmer?

We do not have a direct replacement for that dimmer option.

What is the part number for a cover to suit a PDL644 gpo?

No. Unfortunately we don't do the covers however the 644 quad outlet is still available.

For further information please visit

Is a ZB4***** the series of push button to fit into a PDL600 series plate

No the ZB5 range is what should be used

Mounting Block to suit PDL698 single worktop socket?

The mounting Block to suit is the PDL567S

What is the PDL600 series part number for the sky mech in black?



Can I get a dimmer and push button switch in one?

Saturn module = 4061E2PUDM-TR 
Clipsal 30 series module = 31E2PUDM-WE
PDL600 module = PDL654PBMWH
PDL800 module = PDL854PBMWH
Note:- Being universal dimmers they may not be suitable for LED's as most LED drivers require a trailing edge dimmer.
A push button dimmer can not be used in a 2 way circuit as it requires a physical press to turn on.

If two way push button dimming is required this can be done via Saturn Onetouch, Iconic push button dimming and Nero Environexus


What is the current equivalent for the old PDL620 dimmer?

The 620 was a leading edge dimmer, the equivalent is the PDL634L, though depending on the load it may be time to upgrade to a universal (PDL654) or push button (PDL654PB) dimmer.
PDL634L installation sheet attached for reference.

What is the part number for the Clip to din rail mount Fuse carrier PDL720?

The clip for these is a PDL727, although the 700 series fuse carriers are now discontinued.


Is there an adaptor to fit 30 series mechs into a PDL600 plate?

No, unfortunately there isn't an adapter so you can fit 30 series mechanisms into a PDL 600 series plate.

what wattage is PDL26 lamp holder ?

150 Watt

Is there is coverplate for the PDL644 ?

Yes - PDL644C  (4 way switched socket 10A)

Available in White only

What colours do the PDL94 come in round ceiling fitting

Opal PDL94OP & Clear PDL94CL

What is the part number for a PDL double vertical socket with usb PDL600 series?

The Part code is PDL692USBWH   

Does the 223H weather protected Enclosure fit the 600 series plates?

Yes, the 223H can fit the PDL 600 series plates.

What is the part code for the PDL600 series RJ45 data jack

The part code is:

Is there a PDL600 series hinge flap mech marked sensor in black?

The part code is

What is the issue if a PDL 620K dimmer is humming, being used with electronic transformer at 700watts

As the 620K is a leading edge dimmer it is not suitable for electronic transformers.
The transformer should be changed for a wire wound or the dimmer should be replaced with trailing edge, though as we only do 450w rated dimmers the load would have to be split between two dimmers.
The PDL620K is no longer available.