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What is porcelain stay insulator?
Porcelain spool insulator also named porcelain reel insulator and also can be called ceramic spool insulator or ceramic reel insulator. This type of insulators is low voltage porcelain insulators and can be used up to 400V distribution line. Normally reel insulators fixed on wooden pole and used to intersection angle for wire. Porcelain spool insulator is also widely used type porcelain insulators. This type insulator looks like porcelain shackle insulators.
 
Orient Group as a insulator factory, we can supply ANSI standard and other standards reel insulators and can produce brown color, grey color and white color.
ANSI standard reel insulators are normal used by international and which is ANSI 53 series. European market normally used BS standard reel insulators.
Porcelain Spool insulator Picture:
Porcelain Reel insulator types:
Type No. Height
(mm)
Width
(mm)
Hole
(mm)
Strength
(kN)
Wet Flashover voltage
(kV)
Dry Flashover voltage
(kV)
ANSI 53-1 54 44 17.5 8.9 8/10 20
ANSI 53-2 76 45 17.5 13.3 12/15 25
ANSI 53-3 81 45 17.5 17.8 12/15 25
ANSI 53-4 76 73 17.5 20 15/25 25
ANSI 53-5 105 73 17.5 27 18/25 35
1617 65 44 19 13.5 9 20
1618 75 55 21 13 9 20