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Pin insulators

Pin insulators

At Winwin Speciality Insulators (WSI) , we’re dedicated to the precision manufacturing of Pin Insulators, all meticulously crafted in strict compliance with ANSI standards. Our commitment to quality and innovation shines through in every product we create.

Our Diverse Applications

Small and Large Steel Head Pins

WS Pin Insulators are available with both small and large steel head pins, in line with ANSI C29.5 and C29.6 standards. This flexibility ensures that WS products can be tailored to your unique requirements.

Voltage Range 7.2 kV to 33 kV

We offer a wide variety of Pin Insulators, covering the voltage range from 7.2 kV to 33 kV. This comprehensive range ensures that we have the right solution for your electrical distribution line, whether it's lower or higher voltage.

Customized Solutions

Beyond our standard offerings, we're proud to offer custom Pin Insulators designed to meet your specific needs. We understand that each project is unique, and we're here to provide tailored solutions.

WSI Product Range

PIN INSULATORS – 11 KV
PIN INSULATORS – 22 KV
PIN INSULATORS – 33 KV

Designation	Units	WS-PI-11-001	WS-PI-11-002	WS-PI-11-003	WS-PI-11-004
Rated Voltage KV	kV	11	11	11	11
Cantilever Strength	kN	10	10	10	10
Maximum Diameter (D)	mm	143	181	181	175
Maximum Height (H)	mm	113	121	121	185
Total Creepage Distance	mm	230	320	320	380
Thimble Size	-	Small	Small	Large	Large
Low Frequency Dry Withstand	kV	60	70	70	75
Low Frequency Wet Withstand	kV	30	30	30	45
Low Frequency Dry Flashover	kV	70	75	75	80
Low Frequency Wet Flashover	kV	40	45	45	50
Impulse Withstand Positive	kV	90	100	100	110
Impulse Withstand Negative	kV	90	100	100	110
Impulse Flashover Positive	kV	110	110	110	120
Impulse Flashover Negative	kV	130	130	130	140
Puncture Voltage	kV	95	115	115	120
RIV Test Voltage	kV	8	8	8	8
RIV - plain	?V	5000	5000	5000	5000
RIV - radio freed	?V	100	100	100	100
Corona Extinction Voltage	kV	8	8	8	8
Net Weight (approximate)	kg	2	3	3	3.5
Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product details.

Showing 1 to 22 of 22 entries

Designation	Units	WS-PI-22-001	WS-PI-22-002	WS-PI-22-003	WS-PI-22-004	WS-PI-22-005
Rated Voltage KV	kV	22	22	22	22	22
Cantilever Strength	kN	10	10	10	10	10
Maximum Diameter (D)	mm	195	235	235	276	180
Maximum Height (H)	mm	185	159	185	198	225
Total Creepage Distance	mm	440	440	500	585	600
Thimble Size	-	Large	Large	Large	Large	Large
Low Frequency Dry Withstand	kV	80	80	85	90	90
Low Frequency Wet Withstand	kV	50	50	55	60	60
Low Frequency Dry Flashover	kV	90	90	95	110	110
Low Frequency Wet Flashover	kV	55	55	60	70	70
Impulse Withstand Positive	kV	125	125	125	125	125
Impulse Withstand Negative	kV	125	125	125	125	125
Impulse Flashover Positive	kV	135	135	140	140	140
Impulse Flashover Negative	kV	140	150	155	160	160
Puncture Voltage	kV	130	130	130	140	140
RIV Test Voltage	kV	15	15	15	15	15
RIV - plain	?V	8000	8000	8000	8000	8000
RIV - radio freed	?V	200	200	200	200	200
Corona Extinction Voltage	kV	15	15	15	15	15
Net Weight (approximate)	kg	5.5	4.5	5.5	7.5	5.5
Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product details.

Showing 1 to 22 of 22 entries

Designation	Units	WS-PI-33-001	WS-PI-33-002	WS-PI-33-003
Rated Voltage KV	kV	33	33	33
Cantilever Strength	kN	10	10	10
Maximum Diameter (D)	mm	310	310	310
Maximum Height (H)	mm	238	258	258
Total Creepage Distance	mm	720	840	990
Thimble Size	-	Large	Large	Large
Low Frequency Dry Withstand	kV	110	110	110
Low Frequency Wet Withstand	kV	80	80	80
Low Frequency Dry Flashover	kV	140	140	140
Low Frequency Wet Flashover	kV	90	90	90
Impulse Withstand Positive	kV	150	150	150
Impulse Withstand Negative	kV	150	150	150
Impulse Flashover Positive	kV	220	220	220
Impulse Flashover Negative	kV	240	240	240
Puncture Voltage	kV	150	150	150
RIV Test Voltage	kV	22	22	22
RIV - plain	?V	12000	12000	12000
RIV - radio freed	?V	200	200	200
Corona Extinction Voltage	kV	22	22	22
Net Weight (approximate)	kg	12.5	13.5	14.5
Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product details.

Showing 1 to 22 of 22 entries

Why Choose WSI Pin Insulators

At WSI, we don’t just meet industry standards; we surpass them. Our commitment to excellence, precision engineering, and customer satisfaction has made us the preferred choice for Pin Insulators. When you choose WSI, you’re choosing a trusted partner for all your pin insulator needs.

QUALITY ASSURANCE

WSI Pin Insulators undergo rigorous quality checks to ensure their reliability and performance.
INNOVATION

WSI stay at the forefront of insulator technology, providing cutting-edge solutions for your electrical distribution needs.
CUSTOMIZATION

WSI understand that your project may have unique requirements. WS team is here to work with you and create the ideal Pin Insulator for your application.
RELIABILITY

Count on WSI to deliver Pin Insulators that offer long-lasting performance and dependable service in your electrical distribution systems.

Pin insulators

Our Diverse Applications

Small and Large Steel Head Pins

Voltage Range 7.2 kV to 33 kV

Customized Solutions

WSI Product Range

Why Choose WSI Pin Insulators

QUALITY ASSURANCE

INNOVATION

CUSTOMIZATION

RELIABILITY

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