Nylon transformer core bolt insulators

Core bolt insulators , otherwise known as "top hats" are used to align fixing bolts through the transformer core and to prevent hot spots from stray eddy currents.

Sizes available range from M3 dia through to M20 dia.

Manufactured in 30% glass filled Nylon 66 ASCO core bolt insulators are rated UL94 HB Class F (155°C) continuous service temperature.

Core bolt insulator data sheet