ANSI 55-4 Porcelain / Ceramic Insulator for High Voltage Transmission Line

• Application: High-voltage
• Material: Porcelain
• Structure: Pin Insulator
• Type: Pin Type
• Usage: High Voltage Power Transmission, Insulation, Electrical Installation
• Connection Method: Trough Type
• Model NO.: Porcelain pin insulator 55-4
• Size of Bearing Capacity: Customer Specified
• Certification: ISO9001
• Color: Brown / Grey
• Brand: Pk
• Delivery Time: 25-40 Working Days
• OEM: Accept
• Warranty: 1 Year
• Transport Package: Carton + Pallet
• Specification: ANSI
• Trademark: PK
• Origin: Liling China
• HS Code: 8546209090
• Production Capacity: 50000/Year

Product Description

ANSI 55-4 Series Product Description

Specifications
 1. original insulator producer 
 2. superior properties of low and medium temperature resistance;
 3. strong aging resistance;
 4. nice appearance & long service time.
 5. comman glaze and semi-conductor glaze, color brown and gray both available.
 6. free sample, professional porcelain insulator supplier.
 

ANSI CLASS			55-1	55-2	55-3	55-4	55-5	55-6	55-7
Fig. No.			1	2	3	4	4	4	4
Glazed   A:Plain   B:Radio   Freed			A/B	A/B	A/B	A/B	A/B	A/B	A/B
Main Dimension		H	89	82.6	95.3	111.2	123.9	140	140
		h	44.5	38.1	38.1	44.5	50.8	57	57
		D	82.6	95.3	120.7	140	177.8	213	213
		d	25.4	25.4	25.4	25.4	25.4	25.4	35
		R1	-	16	14.3	25.4	25.4	25.4	25.4
		R2	13	16	14.3	14.3	14.3	16	16
Nominal Voltage kV			3	6	10	10	15	22	22
Creepage Distance/mm			102	127	178	229	305	381	381
Flashover  voltage	Power  Frequency	Dry/kV	35	50/45	65/55	70/65	85/80	100	100
		Wet/kV	20	25	35/30	40/35	45	50	50
	50%  Impulse	Positive/kV	50	75/70	100/90	110/105	140/130	150	150
		Negative/kV	70	95/85	130/110	140/130	170/150	170	170
Radio  Influence  voltage	Test Voltage to  ground/kV		5	5	10	10	15	22	22
	Maximum RIV at  1000kHz/uV		2500/50	2500/50	5500/50	5500/50	8000/100	8000/100	8000/100
Low-Frequency Puncture Voltage kV			50	70	90	95	115	135	135
Dry Arcing Distance (mm)			57	86	114	127	159	203	203
Cantilever Failing Load (lb)			3000	2500	2500	3000	3000	3000	3000