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Line post insulators

Line post insulators

At WINWIN Speciality Insulators (WSI), we take pride in our meticulous adherence to ANSI standards when manufacturing Line Post Insulators.

These insulators are crucial components in electrical distribution systems, and our commitment to quality ensures their reliability and performance. Line post insulators provide electrical insulation and mechanical support to the conductors, helping maintain the integrity and reliability of the electrical grid.

Our Diverse Applications

WSI offers a range of Line Post Insulators that serve a number of critical applications including:

VOLTAGE RANGE 11 KV TO 33 KV DISTRIBUTION LINES:

WS comprehensive range of Line Post Insulators covers the voltage range from 11 kV to 33 kV, making them suitable for a wide spectrum of distribution line applications. We can also offer insulator for rating above 33 kV based on customer requirement. Whether you're managing lower or higher voltage systems, we have the right solution to meet your needs.
EXPERIENCE THE WS ADVANTAGE:

At WS, we don't just meet industry standards; we set them. Our commitment to quality, precision manufacturing, and customer satisfaction makes us the preferred choice for Line Post Insulators. Trust in WS products to ensure the integrity and performance of your distribution systems. Contact us today to discuss how WS Line Post Insulators can meet your specific needs and elevate the performance of your electrical infrastructure.

Types of Line Post Insulators

Vertical Tie Top with Base and Spindle

Designed for secure vertical mounting, these insulators provide dependable support and insulation in your distribution systems.

Vertical Clamp Top with Base and Spindle

Offering versatile vertical clamping capabilities, these insulators are engineered to meet the demands of various distribution setups.

Horizontal Clamp Top with Base and Spindle

These insulators provide robust horizontal clamping, ensuring the stability and efficiency of your distribution lines.

Horizontal Clamp Top with Gain Base

Engineered with a gain base for horizontal applications, these insulators deliver reliable performance and ease of installation.

Custom Solutions

In addition to our standard offerings, we can provide customized Line Post Insulators tailored to your specific requirements.

WSI Line Post Insulators Range

LINE POST INSULATORS ANSI 57-1, 57-2 & 57-3
LINE POST INSULATORS ANSI 57-4, 57-4 & 57-6
LINE POST INSULATORS ANSI 57-16 & 57-26

ANSI Reference Number	Units	57-1	57-2	57-3
Rated Voltage	kV	11	22	22
Cantilever Strength (upright)	lbs (kN)	2800 (12.5)	2800 (12.5)	2800 (12.5)
Mounting Arrangement	-	Vertical	Vertical	Vertical
Top Fixing Arrangement	-	Tie Top	Tie Top	Tie Top
Total Height (H)	mm	229	305	381
Max. Diameter of Insulating Part (D)	mm	140	152	165
Spindle Size	-	3/4'' BSW	3/4'' BSW	3/4'' BSW
Total Creepage Distance	mm	356	559	737
Dry Power Frequency Flashover Voltage	kV	70	100	125
Wet Power Frequency Flashover Voltage	kV	50	70	95
Impulse Flashover Voltage Positive	kVp	120	160	200
Impulse Flashover Voltage Negative	kVp	120	160	200
RIV Test Voltage	kV	15	22	30
Maximum RIV	µV	100	100	200

Showing 1 to 14 of 14 entries

ANSI Reference Number	Units	57-4	57-5	57-6
Rated Voltage	kV	22	33	33
Cantilever Strength (upright)	lbs (kN)	2800 (12.5)	2800 (12.5)	2800 (12.5)
Mounting Arrangement	-	Vertical	Vertical	Vertical
Top Fixing Arrangement	-	Tie Top	Tie Top	Tie Top
Total Height (H)	mm	432	508	597
Max. Diameter of Insulating Part (D)	mm	178	191	203
Spindle Size	-	3/4'' BSW	3/4'' BSW	7/8" BSW
Total Creepage Distance	mm	1016	1143	1346
Dry Power Frequency Flashover Voltage	kV	140	160	180
Wet Power Frequency Flashover Voltage	kV	110	130	150
Impulse Flashover Voltage Positive	kVp	230	265	300
Impulse Flashover Voltage Negative	kVp	230	265	300
RIV Test Voltage	kV	44	44	44
Maximum RIV	µV	200	200	200

Showing 1 to 14 of 14 entries

ANSI Reference Number	Units	57-16	57-26
Rated Voltage	kV	33	33
Cantilever Strength (upright)	lbs (kN)	2800 (12.5)	2800 (12.5)
Mounting Arrangement	-	Vertical	Horizontal
Top Fixing Arrangement	-	Clamp Top	Clamp Top
Total Height (H)	mm	622	635
Max. Diameter of Insulating Part (D)	mm	203	203
Spindle Size	-	7/8" BSW	7/8" BSW
Total Creepage Distance	mm	1346	1346
Dry Power Frequency Flashover Voltage	kV	180	180
Wet Power Frequency Flashover Voltage	kV	150	150
Impulse Flashover Voltage Positive	kVp	300	300
Impulse Flashover Voltage Negative	kVp	300	300
RIV Test Voltage	kV	44	44
Maximum RIV	µV	200	200

Showing 1 to 14 of 14 entries

Line post insulators

Our Diverse Applications

VOLTAGE RANGE 11 KV TO 33 KV DISTRIBUTION LINES:

EXPERIENCE THE WS ADVANTAGE:

Types of Line Post Insulators

Vertical Tie Top with Base and Spindle

Vertical Clamp Top with Base and Spindle

Horizontal Clamp Top with Base and Spindle

Horizontal Clamp Top with Gain Base

Custom Solutions

WSI Line Post Insulators Range

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