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Composite Lid 450mm Electrical Black Class C

Designed to fit the Plastic Square Poly Pit 450mm

  • 540mm (L) x 540mm (W) x 50mm (D)
  • 10 KG
  • Class C
  • Composite


Features & Benefits:

  • Metro Trains approved & Specified
  • Black to match bitumen rail platforms
  • Superior strength-to-weight ratio
  • Made to AS3996
  • Proudly Australian made
  • Fully customizable with colors, text, and logos
  • Offers lockable and non-lockable options
  • Anti-Flood dimples


Introducing the Stronglite Composite Lid 450mm Electrical Black Class C: A Premier Access Cover Solution

The Stronglite Composite Lid 450mm Electrical Class C is a high-quality access cover that merges advanced technology with consistent performance. Constructed from reinforced polyurethane, this lid capitalizes on the material’s notable strength-to-weight ratio, ensuring longevity without an excess weight burden. The composite structure of the Stronglite Lid is both designed and produced in Australia, reflecting a commitment to domestic quality and innovation. This particular cover is designed to fit the Plastic Square Poly Pit 450mm.

Metro Trains Approved and Specified: A Comprehensive Lid Solution for Rail Platforms

Tailored for rail platforms, the Black 450mm Electrical Stronglite Lid merges practicality with aesthetics. Its black hue aligns with bitumen surroundings, facilitating a cohesive integration with platform environments. Specified by Metro Trains (MTM) for rail platform application, this lid ensures a consistent and engaging environment. The design includes holes in the corners to accommodate the barribolt/barrinut locking mechanism, providing a secure and steadfast solution that anchors the lid to the pit and protects essential infrastructure.

Material Attributes: Durable and Lightweight

The Stronglite Lid is constructed from reinforced polyurethane, delivering substantial strength and durability while maintaining a minimal weight. Unlike conventional materials such as concrete, the Stronglite Lid mitigates injury risks and complies with stringent OH&S regulations. Its lightweight design promotes efficiency and safety across various applications.

Proudly Manufactured in Australia

Opting for the Stronglite Lid supports the local economy and offers numerous advantages. Shorter supply chains contribute to a lower environmental footprint and foster sustainability. Additionally, the Australian origin ensures access to prompt customer service and support. The Stronglite Lid is crafted with precision and meets high industry standards as an Australian-designed and manufactured product.

Compliance with AS3996: Superior Slip Rating and UV Tested

The Stronglite Lid aligns with the rigorous AS3996 standard, ensuring top-notch quality and performance by adhering to the highest industry standards for access covers. Subjected to thorough testing and compliance checks, the Stronglite Lid ensures safety, reliability, and longevity. Its high slip rating and UV testing confirm its effectiveness in challenging conditions.

Fully Customizable Options

The Stronglite Lid offers comprehensive customization, including color variations, personalized text, or company logos. Its Australian-made status ensures quick turnaround times for tailored lids, facilitating timely delivery.

Anti-Flood Dimples

The Stronglite Lid incorporates a screw dimple feature for added security during flooding. This design keeps the lid securely anchored, preventing displacement. The screw dimple is adjustable to fit pre-installed pits accurately.

Lockable & Non-Lockable Variants

The Stronglite Composite Lid 450mm Electrical Black Class C is available in both lockable and non-lockable versions, catering to diverse security requirements. Both the Stronglite Locking Mechanism and the Barri Bolt Locking Mechanism can be accommodated, with plugs fitting each hole accordingly.

Choose the Stronglite Composite Pit Lid

The Stronglite Composite Lid 450mm Electrical Black Class C presents a cost-effective alternative to concrete and other composites. Its Australian production assures quality, durability, and reliability, making it a preferred choice for various industries. Choose Convic Australia as your distributor for the Stronglite Lid. For further information, please contact us today.



External Dimensions
(Measurement of the external perimeter)
540mm 540mm 50mm
Weight 10kg


The composite access cover range is designed and built for a Class C load rating, meeting the Australian Standard AS/NZ 3996. 

Typical Use
Nominal Wheel Loading (kg)
Serviceability Design Load (Kn)
Ultamite limit state design (kN)

Residential roads and car parks trafficable to vehicles.

Purpose – Areas with slow moving traffic and minor roads