27.8mm Liquid Tight Hole Plug (Break Through) - 1.6mm-6.4mm Panel | Nylon & TPE

Product code: BLA544
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27.8mm Liquid Tight Hole Plug (Break Through) - 1.6mm-6.4mm Panel | Nylon & TPE
27.8mm Liquid Tight Hole Plug (Break Through) - 1.6mm-6.4mm Panel | Nylon & TPE
27.8mm Liquid Tight Hole Plug (Break Through) - 1.6mm-6.4mm Panel | Nylon & TPE
27.8mm Liquid Tight Hole Plug (Break Through) - 1.6mm-6.4mm Panel | Nylon & TPE
27.8mm Liquid Tight Hole Plug (Break Through) - 1.6mm-6.4mm Panel | Nylon & TPE
27.8mm Liquid Tight Hole Plug (Break Through) - 1.6mm-6.4mm Panel | Nylon & TPE
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Unit Price
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Unit Price
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1 - 249 £1.12 £1.35
250 - 499 £1.07 £1.28
500 - 999 £0.92 £1.10
1000 - 2499 £0.79 £0.95
2500 - 4999 £0.71 £0.85
5000 + £0.49 £0.59
£1.35 / each
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Product Specification
Mounting Hole Diameter 27.8mm
Panel Thickness 1.6mm-6.4mm
Material Nylon & TPE
Cable Diameter Range 6.4mm-19.4mm
Head Diameter 38.9mm
Overall Height 15.9mm
Thickness At Locking Finger Steps 1.6mm/ 2mm/ 2.4mm/ 3.2mm/ 4mm/ 5.1mm/ 6.4mm

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

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01233 713581


Frequently Bought Together

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27.8mm Liquid Tight Break Through Plug | 6.4mm-19.4mm Cable Range | Nylon & TPE

Built for fabricated equipment requiring moisture and dust control, this industrial cable entry seal uses a co-moulded design to protect unused holes and support cable pass-through when required. The 1.6mm-6.4mm panel thickness range helps it suit a variety of enclosure and equipment panels.

The cable opening is formed only when needed, helping reduce the risk of unwanted ingress during storage, transit and pre-wiring stages. This makes the plug helpful for panels shipped before final electrical fit-out. This version suits panel thicknesses from 1.6mm-6.4mm, giving a wider fitting window for thicker cabinet walls, moulded boxes and fabricated housings.

What Are Liquid Tight Break Through Plugs?

Liquid tight break through plugs are co-moulded sealing parts used to close panel holes while retaining the option for cable entry. The centre membrane can remain intact as a closed seal or be pierced by a cable to form a protected pass-through, helping electrical enclosures resist water, dust and contamination.

Common Applications

  • Protecting electrical panels in fabrication environments
  • Creating cable pass-through points on service equipment
  • Covering unused apertures during commissioning
  • Supporting enclosure builds where panel thickness varies

27.8mm x 15.9mm Liquid Tight Break Through Plug Dimensions

  • Mounting Hole Diameter: 27.8mm
  • Cable Diameter Range: 6.4mm-19.4mm
  • Head Diameter: 38.9mm
  • Overall Height: 15.9mm
  • Panel Thickness: 1.6mm-6.4mm
  • Thickness At Locking Finger Steps: 1.6mm/ 2mm/ 2.4mm/ 3.2mm/ 4mm/ 5.1mm/ 6.4mm
  • Material: Nylon & TPE

Sealing Performance

  • IP67 and IP68 rated protection when correctly fitted
  • Break-through membrane for closed-hole or cable-through use
  • Temperature resistance from -40°C to +100°C
  • HB flammability rating
  • UL 635 and UL File E15331 recognised under the Component Program

View our full Liquid Tight Break Through Plugs range.

Product Support and Trade Orders

For help matching liquid tight break through plugs to panel thickness, cable diameter or enclosure protection requirements, speak with the Vital Parts team on 01233 713581. We can support sizing checks, samples where available and repeat trade orders for electrical, engineering and OEM projects.

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