The 12kV 630A insulating cap is an accessory for live bushings, providing an insulating cover for live bushings and a dustproof and moisture-proof cover for non-live joints.
The 630A insulating cap can be installed on 630A bushings, busbars, and wall-mounted equipment. When spare outgoing lines are reserved on the busbars and cable joints, the 630A insulating cap must be used to seal them.

Operating ring: Made of special iron metal, it facilitates product installation and operation;
Insulation layer: A proprietary formula and mixing technology ensure the superior quality of the pre-insulated silicone rubber;
Outer semiconductive layer: Prefabricated conductive silicone rubber conforming to IEEE 592 standard;
Internal thread: The internal thread is M16-2;
Grounding eye: The product is grounded through the grounding eye.

Insulating cap body
Cleaning paper
Silicone grease
Certificate of Conformity
Installation Instructions
| Product Name | Product Model |
| 12kV insulating cap | JYM-12/630A |