2021 Good Quality 10nf3150 Transformer Bushing - 36kv 30NF250 High Voltage Transformer Porcelain Bushing – Johnson

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2021 Good Quality 10nf3150 Transformer Bushing - 36kv 30NF250 High Voltage Transformer Porcelain Bushing – Johnson Detail:

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The transformer bushing is the main insulation device outside the transformer box. The lead wires of the transformer windings must pass through the insulating bushing to insulate between the lead wires and between the lead wires and the transformer shell, and at the same time play the role of fixing the lead wires. Due to the different voltage levels, insulating bushings include pure porcelain bushings, oil-filled bushings and capacitor bushings. Pure porcelain bushings are mostly used in transformers of 10kV and below. It is to wear a conductive copper rod in the porcelain bushing, and the porcelain bushing is air-insulated; oil-filled bushings are mostly used in 35kV transformers, which are filled with oil in the porcelain bushing. , Put a conductive copper rod in the porcelain bushing, and the copper rod is covered with insulating paper; the capacitive bushing is used on high-voltage transformers above 100kV. It consists of a main insulating capacitor core, outer insulating upper and lower porcelain parts, connecting sleeves, and oil pillows. , Spring assembly, base, equalizing ball, measuring terminal, terminal block, rubber gasket, insulating oil, etc.

A bushing is a hollow electrical insulator that allows an electrical conductor to pass safely through a conducting barrier such as the case of a transformer or circuit breaker without making electrical contact with it.Our manufacturer can produce the porcelain bushing as per the DIN standards and ANSI Standards.

DIN standard transformer bushing there are low volatge parts accessoires and high voltage part to compose.Low voltage parts we usually named DT1/250A,DT1/630A,DT1/1000A.
High voltage part we usually name as 10NF250A,10NF630A,20NF250A,30NF250A.
ANSI standard transformer bushing there are also many types ,like ANSI Standard 1.2kV threaded secondary transformer bushing,ANSI standard 15kV threaded primary transformer bushing.

36kv 30NF250 High Voltage Transformer Porcelain Bushing (4)

Bushings are manufactured to DIN42531,52432,42533
PART NUMBER	DESCRIPTION	Kv RATING	I RATING	TANK HOLESIZE	BIL	PF DRY	PF WET	CREEPAGE	STEM CONNECT
30NF250	DIN 42531 30NF250	36	250	78	170	70	-	607	M12
30NF630	DIN 42532 30NF630	36	630	90	170	70	-	662	M20
30NF1000	DIN 42533 30NF1000	36	1000	110	170	70	-	635	M30
30NF2000	DIN 42533 30NF2000	36	2000	135	170	70	-	635	M42
30NF3150	DIN 42533 30NF3150	36	3150	135	170	70	-	635	M48

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