The JGH aluminum alloy U-clamp is a rugged, easy-to-install cable fixing fitting for single-core high-voltage cables. Its open U-shaped body allows cables to be laid and secured without threading, while the spring-loaded bolts maintain steady clamping force through thermal cycles. Like all JGH cleats, it is made of non-magnetic aluminum alloy to eliminate eddy-current loss on single-core circuits.

Key Features

• Open U-Shape Design — Cables can be placed directly into the clamp without threading, speeding up installation in long cable runs.
• Non-Magnetic Aluminum Alloy — Zero eddy-current heating on single-core HV cables, safe for 10kV–110kV systems.
• Spring-Buffered Bolts — Compensates for cable thermal expansion and contraction, maintaining constant pressure and preventing sheath damage.
• EPDM Rubber Liner — Cushions and grips the cable, prevents slippage and protects against abrasion and vibration.
• High Mechanical Strength — Withstands short-circuit electrodynamic forces, keeping cables secured during fault conditions.
• All-Weather Durability — Corrosion-resistant aluminum body and stainless steel fasteners for long service in humid and corrosive environments.

Specifications

• Material: Non-magnetic aluminum alloy, stainless steel bolts, EPDM liner
• Voltage class: 10kV–110kV
• Cable diameter: Φ50mm–Φ160mm (multiple models)
• Finish: Sandblasted / passivated

Applications Cable trenches and tunnels; substation cable racks; power plant cable layers; underground utility and industrial cable routes.

Custom clamping ranges and mounting brackets available on request.