ANSI 57-3 Porcelain Insulator Ceramic Line Post Station Post Insulator

• Customization: Available
• Application: High-voltage
• Material: Porcelain
• Model NO.: 57-3
• Structure: Post Insulator
• Type: B Type Insulator
• Usage: High Voltage Power Transmission
• Connection Method: Trough Type
• Size of Bearing Capacity: 60KN
• Certification: ISO9001
• Color: Grey/Brown
• Brand: Tkbl
• Loading Port: Shenzhen
• OEM: Accepted
• Formula: C120
• Warranty: 2 Years
• Transport Package: Carton + Pallet
• Trademark: TKBL
• Origin: China
• HS Code: 8546209090
• Production Capacity: 500000 PCS/Year

Product Description

Company Introduction:

Liling Sky Bali Industrial Co., Ltd. has long been dedicated and committed to serving the global LV to HV power transmission and transformation, UHV substations and various equipment factories with 1kV-1000kV hollow porcelain and composite insulators, 1kV-800kV power station post porcelain and composite insulators, 1kV-220kV line porcelain and composite insulators, suspension glass insulators, capacitor bushings, zinc oxide arresters, drop fuses and fittings, etc. The company was established in June 2014. At the beginning of its establishment, relying on the unique local resource advantages and long history of porcelain making, as well as the company's talent expertise, the company quickly opened up domestic and foreign markets. Over the years, through joint efforts and continuous innovation of the company's management team and all employees, it has established long-term business relationships with customers in more than 20 countries in Europe, America, the Middle East, and Asia and Africa.

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.
 

product description
porcelain spool insulator details and parameters

ANSI CLASS	With long stud	57-1L	57-2L	57-3L	57-4L	57-5L
	With short stud	57-1S	57-2S	57-3S	57-4S	57-5S
Fig. No.		1	2	3	4	5
Creepage Distance (mm)		356	559	737	1016	1143
Dry Arcing Distance (mm)		165	241	311	368	430
Cantilever Strength(kN)		12.5	12.5	12.5	12.5	12.5
Power Frequency Flashover Voltage	Dry /kV	70	100	125	140	160
	Wet/kV	50	70	95	110	130
Critical Impulse  Flashover Voltage	Positive/kV	120	160	200	230	265
	Negative/kV	155	205	260	340	380
Radio Influence voltage	Test Voltage to ground/kV	15	22	30	44	44
	Maximum RIV at 1MHz/uV	100	100	200	200	200