GPO-3 insulation sheet is also known as GPO-3 laminate. It is a rigid plate-shaped insulating material made of alkali-free glass fiber felt board impregnated with unsaturated polyester resin paste and added with corresponding additives through hot pressing.

The application areas of GPO-3 insulation sheet as blow:

1. In circuit breaker

(1) Frame type circuit breaker: safety shutters, safety shutters, spacers, phase spacers, etc.

(2) Application in molded case circuit breakers: phase partition plate, arc extinguishing chamber arc partition plate, etc.

2. Motor armature parts, movable cover plate, slot wedge stator, fixed gasket, thin gasket, carbon brush plate in the motor motor

3. The front end, back end, upper end, low end, phase partition board, etc. in the partition system in the switchgear

4. It is suitable to be used as partitions, lining plates, arc extinguishing hoods, arc extinguishing cylinders, arc extinguishing plates, arc partitions, wiring boards, phase insulation, bottom partitions, contact supports; switches and transformers Structural support, busbar splint, etc.