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Suspension Insulator

Category: Polymer Insulators
Hits: 343

Catalog No. Mechanical Values (Ultimate) Packing & Shipping Data
Combined M&E Strength Impact Strength Routine Proof Test Load Time Load Test value Maximum Working Load Net Weight Each (lbs.) Packed Weight Each (lbs.) Standard Package Quantity
lbs inch lbs  lbs lbs lbs lbs lbs
MPI 521 10.000 45 5.000 6.000 5.000 5.73 6.81 6
MPI 523 15.000 55 7.500 10.000 7.500 11.46 14.21 4
MPI 524 15.000 55 7.500 10.000 7.500 11.46 14.03 4
MPI 529 10.000 55 5000 6000  - 5.00 5.28 8

 

Catalog No. Dimensions Electrical Values (kV) Radio Influence Voltage Data
Leakage Distance Dry Arcing Distance Low Frequency Flash over Impulse Flash over Low Frequency Puncture Voltage Test Voltage, RMS to Ground(kV) Maximum RIV at 1000 kHz (kV)
inch inch Dry Wet Positive Negative
MPI 521 7 4.5 60 30 100 100 80 7.5 50
MPI 523 11-1/2 7.8 80 50 125 130 110 10 50
MPI 524 11-1/2 7.8 80 50 125 130 110 10 50
MPI 529  -  - 60 30 100 90 80 7.5 50

 

Catalog No. Disc Dia. Unit Spacing Creepage distance Electrical Values (kV)
inch inch inch Electromechanical Failling Load
MPI 529 4.48819 6.29921 6.73228 44

Stay / Guy Insulators for Lines

Category: Polymer Insulators
Hits: 416

Catalog No. ANSI CLASS Fig No. Leakage Distance Mechanical Tensile Strength lb  Power frequency Voltage kV G.W./N.W. Dimensions 
inch Dry Wet lbs inch
MPI541 54-1 1 1.63 10000  25 12 77.16/72.75 14.57x14.57x8.27
MPI542 54-2 2 1.87 12000  30 15 83.78/79.37 14.96x14.57x8.27
MPI543 54-3 3 2.25 20000 35 18 72.75/68.34 18.90x12.99x6.69
MPI544 54-4 4 3 20000 40 23 63.93/59.52 15.75x11.81x7.48

Spool Insulator

Category: Polymer Insulators
Hits: 377

Catalog No. Class ANSI Fig Main Dimensions Mechanical Value     G.W./N.W.
H h D d d1 d2 R Mechanical Failing Load 
inch inch inch inch inch inch inch lbs lbs
MPI 531 53-1 1 2.13 1.06 2.24 1.77 0.71 0.87 0.43 2.000 66.14/61.73
MPI 532 53-2 2 2.99 1.50 3.11 1.77 0.71 0.94 0.71 3.000 74.96/70.55
MPI 533 53-3 3 3.19 1.59 2.99 1.77 0.71 0.94 0.43 4.000 85.98/81.57
MPI 534 53-4 4 2.99 1.50 4.13 2.87 0.71 0.94 0.63 4.500 63.93/59.52
MPI 535 53-5 4 4.13 20.67 4.02 2.87 0.71 0.94 0.43 6.000 70.55/66.14

 

Catalog No. Class ANSI Fig Electrical Values
Low-Frequency Flashover
Dry/ kV Wet Vertical/ kV Wet Horizontal/ kV
MPI 521 52-1 1 20 8 10
MPI 522 52-2 2 25 12 15
MPI 523 52-3 3 25 12 15
MPI 524 52-4 4 25 12 15
MPI 525 52-5 4 35 18 25

 

Catalog No. Class ANSI Fig Packing & Shipping Data
Net Weight Each Packed Weight Each 
lbs lbs 
MPI 521 52-1 1 0.44 0.46
MPI 522 52-2 2 1.14 1.20
MPI 523 52-3 3 1.21 1.38
MPI 524 52-4 4 2.42 2.56
MPI 525 52-5 4 2.65 2.72

Pin Insulator

Category: Polymer Insulators
Hits: 402

High Voltage Pin Insulator:

 Fig  Class ANSI Main Dimensions   Mechanical Values (Ultimate) G.W./N.W. (kg)
H h D d R1 R2  Minimum Pin Heigth Cantilevel Strength (lbs.)
inch inch inch inch inch inch inch lbs lbs
  56--1 5.748 2 7.52 1.37 0.75 0.55 6 2.500 2.500
  56--2 6.50 2 8.98 1.37 0.75 0.55 7 3.000 3.000
  56--3 7.52 2 10.51 1.37 0.75 0.55 8 3.000 3.000
  56--4 9.49 2 12.01 1.37 0.75 0.55     3.000
  56--5 12.52 2 13.50 1.34 0.75 0.55     3.000

                

Catalog No. Fig Class ANSI Dimensions Electrical Values (kV) Radio Influence Voltage Data
Leakage Distance Dry Arcing Distance Typical Voltage. Class Low Frequency Flashover Impulse Flashover Low Frequency Puncture Voltage Test Voltage, RMS to Ground(kV) Maximum RIV at 1000 kHz (kV)
inch inch Dry Wet Positive Negative
MPI 5611   56--1 13 7 23 95 60 150 190 130  15  100 
MPI 5621   56--2 17 8 23 110 70 175 225 145  22  100 
MPI 5633   56--3 21 9 34.5 125 80 200 265 165  30  200 
MPI 5643   56--4 27 11   140 95 225 310         
MPI 5654   56--5 34 14   175 125 270 340         

 

Catalog No. Fig Class ANSI Packing & Shipping Data
Net Weight Each  Packed Weight Each  Standard Package Quantity
lbs lbs
MPI 5611   56--1 7 8.8 6
MPI 5621   56--2 9.5 12.5 2
MPI 5633   56--3 15 19 2
MPI 5643   56--4      
MPI 5654   56--5      

 

 Low high voltage pin Insulator: 

Catalog No. Class ANSI Fig Main Dimensions Mechanical Values (Ultimate) 
H h D d R1 R2 Cantilevel Strength (Ibs.) Pin Hole Diameter Recommended Pin Length 
inch inch inch inch inch inch lbs inch inch
MPI 521 52-1 1 3,50 1,75 3,25 1,00   0.63 3.000 1,00 4,00
MPI 522 52-2 2 3,25 1.5 3,75 1,00 0,63 0.63 2.500 1,00 4,00
MPI 523 52-3 3 3,75 1.5 4,75 1,00 0,56 0.56 2.500 1,00 5,00
MPI 524 52-4 4 3,75 1,75 5,10 1,00 1,00 0.56 3000,00 1,00 5,00
MPI 525 52-5 4 4,87 2,00 7,00 1,00 1,00 0.56 3000,00 1,00 6,00

 

Catalog No. Class ANSI Fig Dimensions  Electrical Values (kV) Radio Influence Voltage Data 
Leakage Distance Dry Arcing Distance Typical Voltage Class  Low-Frequency Flashover Critical Impulse Flashover Voltage
inch inch Dry/ kV Wet/ kV Puncture / kV Positive / kV Negative / kV Test Volt. To ground / kV
MPI 521 52-1 1 4,00 2-1/4 4.8 35,00 20,00 50,00 50,00 70,00 5,00
MPI 522 52-2 2 5,00 3-3/8 7.5 45,00 25,00 70,00 70,00 85,00 5,00
MPI 523 52-3 3 7,00 4-1/2 11.5 55,00 30,00 90,00 90,00 110,00 10,00
MPI 524 52-4 4 9,00   13.5 65,00 35,00 95,00 105,00 130,00 10,00
MPI 525 52-5 4 12,00   15,00 80,00 45,00 115,00 130,00 150,00 15,00

 

Catalog No. Class ANSI Fig Packing & Shipping Data
Net Weight Each(Ibs.) Packed Weight Each (Ibs.)
lbs lbs 
MPI 521 52-1 1 1.28 1.37
MPI 522 52-2 2 1.50 1.57
MPI 523 52-3 3 2.03 2.30
MPI 524 52-4 4 3.5 3.67
MPI 525 52-5 4 5.5 7.33

Line Post Insulator

Category: Polymer Insulators
Hits: 420

                           

Catalog No. Class ANSI Fig Height of Middle of Single Cap Screw Diameter Mechanical Values (Ultimate) Packing & Shipping Data Insulator Coatings G.W./N.W. (kg)
Cantilevel Strength  Net Weight Each(Ibs.) Packed Weight Each (lbs.) Standard Package Quantity 
inch inch lbs lbs lbs lbs lbs
MPI 571S 57-1S 1  -  - 2.800  - 14.3 17.6 4  - 88.18/70.55
MPI 571L 57-1L 2  -  - 2.800  - 14.3 17.6 4  - 88.18/70.55
MPI 572S 57-2S 3  -  - 2.800  - 19.1 23.9 3  - 83.76/66.14
MPI 572L 57-2L 4  -  - 2.800  - 19.1 23.9 3  - 83.76/66.14
MPI 573S 57-3S 4  -  - 2.800  - 26.3 30.6 2  - 92.59/72.75
MPI 573L 57-3L    -  - 2.800  - 26.3 30.6 2  - 92.59/72.75
MPI 5711 57-11   - 10  6-1/2 2.800 1120 16 19 3 Standard  
MPI 5712  57-12  - 13  6-1/2 2.800 1120 25 27 2 Standard  
MPI 5721  57-21  -  10-1/8  6-1/2 2.800 1120 15 18 2 Standard  
MPI 5722  57-22  -  13-1/8  6-1/2 2.800 1120 21 25 2 Standard  

 

Catalog No. Class ANSI Fig Electrical Values (kV)
Usual Line Voltage  Low-Frequency Flashover Critical Impulse Flashover Voltage Radio Influence Voltage Data  Leakage Distance Dry Arcing Distance
Dry/ kV Wet/ kV Positive / kV Negative / kV Test Volt. To ground / kV Max. RIV at 1 MHz / V inch inch
MPI 571S 57-1S 1 25 80 60 130 155 15 100 7 4.5
MPI 571L 57-1L 2 25 80 60 130 155 15 100 7 4.5
MPI 572S 57-2S 3 35 110 85 180 205 22 100  11-1/2 7.8
MPI 572L 57-2L 4 35 110 85 180 205 22 100  11-1/2 7.8
MPI 573S 57-3S 4 45 125 100 210 260 30 100  14-1/2 7.8
MPI 573L 57-3L   45 125 100 210 260 30 100  14-1/2 7.8
MPI 5711 57-11   - 25 80 60 130 155 16 100 14  6-1/4
MPI 5712  57-12  - 35 110 85 180 205 25 100 22  9-1/2
MPI 5721  57-21  - 25 80 70 130 155 15 100 14  6-1/4
MPI 5722  57-22  - 35 110 80 180 205 22 100 22  9-1/2
  1. CapPin Insulator