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Long Rod Insulators

Long Rod Insulators

At WINWIN Speciality Insulators (WSI), we take pride in delivering a diverse range of long rod insulators tailored for AC electrical transmission applications. Our commitment to quality and innovation ensures that your electrical infrastructure operates seamlessly and safely.

Key Features

Wide Product Range

WS long rod insulator line spans a mechanical load rating range from 70 kN to 420 kN, accommodating various voltage and load requirements.

Versatile Voltage Ratings

WSI offers Long Rod Insulators with voltage ratings ranging from 33 kV to 765 kV, suitable for a wide spectrum of applications.

State-of-the-Art Machinery

WSI modern machinery, starting from the slip house for raw material processing, ensures precision and consistency at every stage of production.

Expertise at Every Step

WSI dedicated team of technical and process experts diligently oversees the manufacturing process to uphold the highest standards of quality.

Stringent Quality Assurance

Each long rod insulator that leaves WSI factory undergoes a comprehensive quality check, covering raw material inspection, final testing, and quality inspection. We adhere to international standards and customer specifications to guarantee the reliability and performance of WSI products.

WS Long Rod Insulator Range

LONG ROD INSULATORS – 132 kV
LONG ROD INSULATORS – 220 kV
LONG ROD INSULATORS – 400 kV

Designation	Units	WS-LR 90BS-A	WS-LR 120BS-A	WS-LR 160BS-A
Mechanical Failing Load	kN	90	120	160
Rated voltage	kV	132	132	132
Maximum Diameter	mm	230	230	230
Maximum Length	mm	1445	1445	1445
Total Creepage Distance	mm	3625	3625	3625
Coupling Type	-	Ball and Socket	Ball and Socket	Ball and Socket
Coupling Size	mm	16mm A	16mm A	16mm A
Locking Device	-	R Clip	R Clip	R Clip
Dry Power Frequency Withstand	kV	290	290	290
Wet power Frequency Withstand	kV	275	275	275
Dry Power Frequency Flashover	kV	300	300	300
Wet power Frequency Flashover	kV	290	290	290
Impulse Withstand Positive	kVp	650	650	650
Impulse Withstand Negative	kVp	650	650	650

Designation	Units	WS-LR 90BS-B	WS-LR 120BS-B	WS-LR 160BS-B
Mechanical Failing Load	kN	90	120	160
Rated voltage	kV	220	220	220
Maximum Diameter	mm	230	230	230
Maximum Length	mm	2300	2300	2300
Total Creepage Distance	mm	6125	6125	6125
Coupling Type	-	Ball and Socket	Ball and Socket	Ball and Socket
Coupling Size	mm	20 mm	20 mm	20 mm
Locking Device	-	R Clip	R Clip	R Clip
Dry Power Frequency Withstand	kV	475	475	475
Wet power Frequency Withstand	kV	460	460	460
Dry Power Frequency Flashover	kV	490	490	490
Wet power Frequency Flashover	kV	475	475	475
Impulse Withstand Positive	kVp	1050	1050	1050
Impulse Withstand Negative	kVp	1050	1050	1050

Designation	Units	WS-LR 120BS-C	WS-LR 160BS-C
Mechanical Failing Load	kN	120	160
Rated voltage	kV	400	400
Maximum Diameter	mm	230	230
Maximum Length	mm	3650	3910
Total Creepage Distance	mm	10500	10500
Coupling Type	-	Ball and Socket	Ball and Socket
Coupling Size	mm	20mm	20mm
Locking Device	-	R Clip	R Clip
Dry Power Frequency Withstand	kV	650	650
Wet power Frequency Withstand	kV	630	630
Dry Power Frequency Flashover	kV	675	675
Wet power Frequency Flashover	kV	650	650
Impulse Withstand Positive	kVp	1550	1550
Impulse Withstand Negative	kVp	1550	1550

Drawings are ‘not to scale’

Values specified are only for informative purpose. Please send enquiries to get specific product details.