KGA Enclosures Ltd
Contacting KGA Enclosures
Tel: +44 (0)1535 636856
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Please send all orders and enquiries to, we will respond with pricing confirmation and stock availability

Hammond Manufacturing Enclosures | General Accessories | HPN4PC Range

HPN4PC Series Hole Plugs
Type 4X Non-Metallic - UR/cUR
Product Features:
  • Designed to seal unused pushbutton holes, conduit openings and knockout holes against dust, oil and water.
  • Standard pushbutton size is 30.5mm.
  • Available in 11 sizes.
  • Available in 2 colour options - ANSI 61 grey (GY) and RAL 7035 light grey (LG).
  • Compatible with enclosure wall thickness from 16 gauge to 1/4".
  • Self centering, anti-rotational design for fast and easy one person installation, no tools required.
  • Recognized components for use with UL and CSA listed enclosures.
    • Type 1, 3, 3R, 4, 4X
  • Moulded in polycarbonate with neoprene/EPDM gasket material.
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Hammond Manufacturing Enclosures
KGA Enclosures Ltd are full authorised distributors of the Hammond Manufacturing Enclosures product range. This entire range is available from KGA Enclosures Ltd at great competitive pricing and with full customisation options on all applicable products.

To purchase any product or for more information on any product offered, simply call (+44) 01535 636856 or E-Mail:, where we will be happy to assist you. Or view the related product ranges from Hammond Manufacturing, which are all available from KGA Enclosures Ltd. Including the:
What makes KGA Enclosures Ltd different from most other larger distributors is that we offer full customisation services on all enclosure and accessories (where applicable). All customisation work is undertaken by the relevant supplier, (some small projects are done utilizing outside contractors) at their own manufacturing facilities. These services include milling or punching of holes and slots into the enclosure or end plates for cables, connectors, switches etc. Printing and silk screening services allow for the addition of text, logos and graphics onto both the enclosure and end plates, to allow the end user to easily identify the product as well as giving the final product a more elegant finish. For more information on customisation services, please contact us.
HPN4PC Series - Hammond Manufacturing Enclosures at KGA Enclosures Ltd
Product Options
Part No Colour Plugged Hole Dia. Range Wall Thickness Range External Dia. 1+ 10+ 25+ More
HP100PCGY Grey 35mm1.38" 41mm1.62" n/an/a P.O.A. P.O.A. P.O.A. More....
HP100PCLG Light Grey 35mm1.38" 41mm1.62" n/an/a £8.45 £7.78 £7.61 More....
HP125PCGY Grey 43mm1.69" 48mm1.88" n/an/a P.O.A. P.O.A. P.O.A. More....
HP125PCLG Light Grey 43mm1.69" 48mm1.88" n/an/a £10.36 £9.53 £9.32 More....
HP12PCGY Grey 13mm0.50" 21mm0.81" n/an/a P.O.A. P.O.A. P.O.A. More....
HP12PCLG Light Grey 13mm0.50" 21mm0.81" n/an/a £5.37 £4.94 £4.84 More....
HP150PCGY Grey 51mm2.00" 56mm2.19" n/an/a P.O.A. P.O.A. P.O.A. More....
HP150PCLG Light Grey 51mm2.00" 56mm2.19" n/an/a £11.99 £11.03 £10.79 More....
HP200PCGY Grey 64mm2.50" 70mm2.75" n/an/a P.O.A. P.O.A. P.O.A. More....
HP200PCLG Light Grey 64mm2.50" 70mm2.75" n/an/a £14.15 £13.02 £12.74 More....
HP250PCGY Grey 73mm2.88" 79mm3.12" n/an/a P.O.A. P.O.A. P.O.A. More....
HP250PCLG Light Grey 73mm2.88" 79mm3.12" n/an/a P.O.A. P.O.A. P.O.A. More....
HP300PCGY Grey 89mm3.50" 95mm3.75" n/an/a P.O.A. P.O.A. P.O.A. More....
HP300PCLG Light Grey 89mm3.50" 95mm3.75" n/an/a P.O.A. P.O.A. P.O.A. More....
HP350PCGY Grey 102mm4.00" 108mm4.25" n/an/a P.O.A. P.O.A. P.O.A. More....
HP350PCLG Light Grey 102mm4.00" 108mm4.25" n/an/a P.O.A. P.O.A. P.O.A. More....
HP400PCGY Grey 114mm4.50" 121mm4.75" n/an/a P.O.A. P.O.A. P.O.A. More....
HP400PCLG Light Grey 114mm4.50" 121mm4.75" n/an/a P.O.A. P.O.A. P.O.A. More....
HP50PCGY Grey 21mm0.81" 24mm0.94" n/an/a P.O.A. P.O.A. P.O.A. More....
HP50PCLG Light Grey 21mm0.81" 24mm0.94" n/an/a £5.75 £5.29 £5.18 More....
HP75PCGY Grey 25mm1.00" 33mm1.31" n/an/a P.O.A. P.O.A. P.O.A. More....
HP75PCLG Light Grey 25mm1.00" 33mm1.31" n/an/a £6.50 £5.98 £5.85 More....
For pricing and availability please contact us
Hammond Manufacturing - Customisation Services
Modified Electronic Enclosures
Almost every enclosure will need some kind of modification to be useful. In house modifications can be tedious, over complicated and a distraction from your main core business. A third party shop can add time and expense. Let us help you to deliver quality products made to your exact specifications.
Hammond Manufacturing Customisation Services
Why choose Hammond Manufacturing to modify your enclosure
  • Hammond Manufacturing offers a wide selection and massive inventory of enclosures ready to be modified.
  • Typically the minimum order quantity is 25 pieces. This can vary depending on product and service required. Please note KGA Enclosures does not add on any charges.
  • Hammond has an experience enclosure modification team and two dedicated modification facilities in North America and the United Kingdom. They are knowledgeable, available and capable.
  • Hammond Manufacturing helps eliminate scrap and design errors with approval drawings to confirm correct interpretation of your deign required. Many orders will also include a fast delivery of sample enclosures for your inspection. These steps ensure that your assembly fits perfectly before heading into the mass production stage.
Popular modification services offered:
  • Holes
  • Cutouts
  • Tapping and countersinking.
  • Pressed-in hardware (Studs, Standoffs)
  • Silk screening
  • UV Printing
  • Special colours
  • Special length extrusions
  • Pre-Installed accessories
  • Available services vary by product
For Product Availability, Price Confirmation and All Ordering Please E-Mail
Contact Us
Call Us - 01535 636856 +44 (0)1535 636856
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VAT No: GB 204612745
Business No: 09341700