Electric Meter Box Pin Terminal Copper-Aluminum Wire Cable Lugs Bare Connector GTLA-10/16/25/35/50mm2 With Insulation Sheath
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SKU: 14:874686440#GTLA-50mm2;200497261:200952640#30Pcs
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Functional Characteristics
- Application: Special for meter boxes; pin profile fits clamp/screw terminals and meter blocks.
- Bimetal transition: Metallurgically bonded Cu–Al interface for stable contact resistance and thermal cycling durability.
- Pin geometry: Cylindrical/rectangular pin (per size) for high contact pressure and consistent insertion.
- Compression crimp: Crimp barrel sized to conductor cross-section; compatible with hex/dieless crimp dies matched to mm².
- Insulation sheath: Slip-on sleeve included for post-crimp dielectric protection and jacket strain relief.
- Customization: Logo/length/packaging customizable (is_customized: Yes).
Technical Specifications
- Type
- Splice / Pin Terminal Lug (Meter Box)
- Model Number
- GTLA
- Available Models
- GTLA-10, GTLA-16, GTLA-25, GTLA-35, GTLA-50
- Material
- Copper–Aluminum (bimetal construction)
- Included
- Insulation sheath (per lug)
- Certification
- None (vendor declaration on request)
- Origin
- Mainland China
Selection Matrix (Conductor Match & Typical AWG Equivalents)
Select the GTLA size to match the conductor cross-section; crimp using dies calibrated for the same mm² class.
| Model | Conductor Size | AWG (approx.) | Recommended Crimp | Notes |
|---|---|---|---|---|
| GTLA-10 | 10 mm² | ≈ 8 AWG | Hex/dieless die for 10 mm² | Short service drops, compact terminals |
| GTLA-16 | 16 mm² | ≈ 6 AWG | Hex/dieless die for 16 mm² | General meter tails |
| GTLA-25 | 25 mm² | ≈ 4 AWG | Hex/dieless die for 25 mm² | Higher current service |
| GTLA-35 | 35 mm² | ≈ 2 AWG | Hex/dieless die for 35 mm² | Consider two-stage compression |
| GTLA-50 | 50 mm² | ≈ 1/0 AWG | Hex/dieless die for 50 mm² | Heavy service conductors; longer pin |
Tip: Publishing pin dimensions (Ø / width × length) and barrel I.D./length for each model will increase long-tail SEO (e.g., “GTLA-25 pin 6 mm × 25 mm”).
Installation & Interface Guidance
- Prepare aluminum conductor: strip to length; remove oxide film; apply Al-approved oxide-inhibiting compound if required by site spec.
- Insert conductor fully into barrel; crimp using a calibrated hex or dieless tool with the die that matches the selected mm² size.
- Perform a pull test; verify full compression without strand cut-off.
- Slide the insulation sheath over the crimped barrel to cover exposed metal and provide strain relief.
- Insert the copper pin into the meter box clamp/screw terminal; torque per equipment manufacturer specification.
- Avoid direct Cu/Al contact outside the bonded interface; follow local codes for Cu–Al transitions.
Applications
- Electric meter boxes and meter tails
- Service entrance conductors (Cu–Al transition to copper terminals)
- Panelboard and switchgear clamp-type terminals requiring pin lugs
Technical FAQ
What is the purpose of a copper–aluminum pin terminal?
It allows an aluminum cable to terminate to a copper terminal/meter clamp via a bonded bimetal pin, minimizing galvanic corrosion and thermal rise.
Which GTLA size should I choose?
Match the model (10/16/25/35/50 mm²) to your conductor cross-section. Use the corresponding crimp die for that mm².
Is an insulation sheath included?
Yes. Each GTLA lug includes a slip-on insulation sheath for post-crimp dielectric protection.
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