Cable Lug for 240 mm² Conductor – 16 mm Mounting Hole, Tin-Plated Copper
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Overview
This cable lug is designed to provide a secure termination for a 240 mm² (or equivalent stranded) copper conductor, and to interface it with a 16 mm (M16) stud or bolt. The lug is made from high-conductivity, fully annealed copper, with tin plating for corrosion protection and high electrical performance.
Key Features & Benefits
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High Conductivity Annealed Copper: Ensures low resistance and stable current flow.
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Tin Plating / Electro-tin Finish: Protects against oxidation, improves contact surface stability.
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Bell-Mouth Entry / Flared Barrel: Helps guide stranded conductors into the lug smoothly, reducing strand damage (Superlec’s version includes this)
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Inspection Window / Hole: Many lugs include a visual inspection hole so the installer can verify full conductor insertion before crimping (Mullingar version includes this)
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Seamless Copper Tube Construction: Gives mechanical strength, avoids seam weaknesses under crimping stress.
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Standards & Tooling Compatibility: Matches industry standard tooling and dimensions (e.g. Cembre A48 series supports stud sizes up to M16 for 240 mm² lugs)
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Wide Applications: Suitable for switchgear, busbars, power distribution boards, industrial equipment, grounding, battery terminals.
Specifications
| Parameter | Value / Typical |
|---|---|
| Conductor / Cable | 240 mm² (stranded copper) |
| Mounting hole / Stud | 16 mm (M16) |
| Material | Annealed copper (≥ 99.9 % conductivity) |
| Finish / Coating | Tin plating / electro-tin |
| Entry / Barrel Design | Bell mouth / flared entry |
| Inspection Feature | Inspection hole / window (if included) |
| Typical Length / Dimensions | ~77.5 mm length for A48-M16 lug when using Cembre spec (see Power & Cables data) |
| Rated Use / Voltage | Suitable for low-voltage systems (600/1000 V class typical) in many applications |
| Compliance / Standards | Conforms to recognized crimp lug standards (depending on brand / manufacturer) |
Installation / Usage Guidelines
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Strip insulation to the correct length, avoiding damage to conductor strands.
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Fully insert the bare conductor into the lug barrel; use the inspection window to confirm full insertion (if present).
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Use the correct crimping die / tool rated for a 240 mm² lug, apply uniform crimping.
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Secure the lug to the M16 stud / bolt using appropriate washer and torque (avoid over-tightening).
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Inspect mechanical stability, ensure no stray strands, and verify electrical continuity.
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In harsh or outdoor environments, periodically check for corrosion, loosening, or degradation.
Cautions & Tips
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Always match the crimping tool / die size to the lug’s spec (i.e. for 240 mm²) — improper tooling can compromise the joint.
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Avoid over-torquing the M16 bolt—excess force risks deforming the lug or conductor.
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If connecting to dissimilar metals (e.g. copper lug to aluminum bus), consider using a bi-metallic or transition lug to reduce galvanic corrosion.
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