Ningbo Suntech Power Machinery Tools Co.,Ltd.
Ningbo Suntech Power Machinery Tools Co., Ltd. Professional Manufacturer and Exporter of Electric Power Field
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High-Voltage Insulated Tightener – Dielectric Protection up to 15kV | Non-Conductive Nylon Construction | For Live Line Maintenance
Introduction
The Insulated Tightener is a critical safety tool for electrical workers, designed to adjust, tension, and secure cables while providing full dielectric protection against accidental contact with live circuits. Made from non-conductive materials (fiberglass, nylon, or rubber), it ensures safe operation in high-voltage environments, substations, and telecom installations. Unlike metal tools, it eliminates the risk of electrical shock, making it indispensable for live line maintenance and emergency repairs.
Key Features
✅ Dielectric Protection – Rated for 1kV to 15kV+ (depending on model)
✅ Non-Conductive Materials – Fiberglass core, rubber-coated handles, or nylon construction
✅ Adjustable Tensioning – Ratchet, screw, or lever mechanisms for precise control
✅ Lightweight & Ergonomic – Reduces fatigue during prolonged use
✅ Tangle-Free Operation – Smooth swivel head or anti-slip jaws
Working Principle
The insulated tightener functions via:
Non-Conductive Core – Prevents current flow through the tool.
Tensioning Mechanism – Ratchet, screw, or cam-lock for controlled tightening.
Secure Grip – Rubberized handles or ergonomic contours enhance control.
This ensures:
✔ Safe live-line work without de-energizing circuits.
✔ Precise tension adjustment for cables, ropes, or conductors.
✔ Durability in harsh weather conditions.
Applications
Live Line Maintenance – Tensioning conductors without shutdowns.
Substation Work – Securing busbars and jumpers safely.
Telecom & Fiber Optics – Non-conductive cable management.
Emergency Repairs – Quick fixes on downed power lines.
Renewable Energy – Solar farm and wind turbine installations.
Explain:The Insulated tightener uses non-conductive FRP insulated handle and soft corrosion-resistant and high tension woven belt to replace the steel wire rope.It is used for wire tightening during live line operation, and the voltage resistance is 15kV (3 minutes).
| Item No. | Model | Rated Lifting/Pulling | Webbing thickness*length(mm) | Min length(mm) | Max length(mm) | Weight(kg) |
| 14105 | SJJY-1 | 10/5 | 5*2300 | 410 | 1210 | 3.3 |
| 14106 | SJJY-1.5 | 15/7.5 | 6*2300 | 480 | 1400 | 4.2 |
| 14107 | SJJY-2 | 20/10 | 6*2300 | 480 | 1400 | 4.5 |
