Orient-EP480 capped porcelain line post insulators

EP480 capped porcelain line post insulators were used in electrical system with creepage distance 786mm, which are also called electrical insulator.

Due to the weather changing, EP480 capped porcelain line post insulators will be breakdown by lightning, when the same time voltage is called breakdown voltage.

EP480 capped porcelain line post insulators are used in electrical equipment to support and separate electrical conductors without allowing current through themselves. The EP480 capped porcelain line post insulator is also used more specifically to refer to insulating supports used to attach electric power distribution or transmission lines to utility poles and transmission towers. They support the weight of the suspended wires without allowing the current to flow through the tower to ground.

EP480 capped porcelain line post insulators technical parameters:

Type:		EP480-00
Nominal voltage	kv	33
Nominal creepage distance	mm	786
Bottom fixing diameter	mm	M20
Top fixing diameter	mm	73
Top groove radius	mm	25
Cantilever strengh	kn	4
Dry arcing distance	mm	320
Power frequency flashover dry	kv	127
Power frequency flashover wet	kv	74
Power frequency withstand dry	kv	131
Power frequency withstand wet	kv	87
Impulse withstand voltage (bil)	kv	205
Impulse flashover positive	kv	209
Impulse flashover negative	kv	346

EP480 capped porcelain line post insulators application:
EP480 capped porcelain line post insulator can be used on high voltage distribution power line, which is also called high voltage insulator.

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