TJ Series Copper Split Bolt Connector – High-Strength Clamp
TJ Series Copper Split Bolt Connector
Make secure, long-lasting electrical connections with the TJ Series Copper Split Bolt Connector. Precision-engineered from high-strength copper alloy, this split bolt clamp delivers maximum conductivity and exceptional mechanical strength — ideal for professionals and DIY enthusiasts alike.
Why Choose This Split Bolt Connector?
- High-Strength Copper Alloy: Manufactured from premium copper alloy for outstanding electrical conductivity and structural durability.
- Corrosion & Split Resistant: Highly resistant to corrosion and cracking, ensuring a reliable connection even in demanding environments.
- Precision-Tooled Threads: Engineered threads allow maximum torque application, so you can tighten the bolt down firmly for a rock-solid joint every time.
- Wide Clamping Range: Accommodates conductor cross-sections from 4 mm² up to 480 mm², making it versatile across a broad range of wiring applications.
- Non-Insulated Design: Ring terminal style with a twist connector type — compatible with standard electrical installations wherever bare copper terminations are required.
Product Specifications
| Connector Type | Twist |
| Contact Material | Copper |
| Insulation | Non-Insulated |
| Terminal Type | Ring Terminal |
| Clamping Range | 4–480 mm² |
| EU LVD Voltage | Low Voltage: Below 50 Vac or 75 Vdc |
| Country of Origin | Made in China |
What's in the Box?
- 1 × TJ Series Copper Split Bolt Connector
Great Pairings for Your Workshop
Keep your workspace tidy and organised alongside your electrical tools with the Airtight Transparent PET Storage Bottle — perfect for storing small connectors, fasteners, and hardware. For other precision hand tools, check out the Leather Hole Punch Tool | DIY Stitching Punch 4/5/6mm.
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Frequently Asked Questions
Q: What wire sizes are compatible with the TJ Series Copper Split Bolt Connector?
A: This split bolt connector supports a clamping range of 4 mm² to 480 mm², making it suitable for a wide variety of conductor sizes used in residential, commercial, and industrial electrical work.
Q: Is the TJ Series connector insulated?
A: No, this is a non-insulated split bolt connector. It is designed for applications where a bare copper termination is appropriate. Always follow local electrical codes and safety standards when installing.
Q: What makes copper alloy the right material for a split bolt connector?
A: Copper alloy offers excellent electrical conductivity to minimise energy loss, plus strong mechanical properties that resist corrosion and cracking over time — ensuring a dependable and long-lasting connection in electrical installations.
Q: How do I install the TJ Series Split Bolt Connector?
A: Position the conductors within the bolt clamp, then tighten the precision-tooled threaded bolt to the required torque. The engineered threads allow firm tightening for a secure, low-resistance joint. Always de-energise circuits before installation.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.