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 | |||||||||||||||
mm | inch | mm | inch | lbs | Kg | lbs | Kg | lbs | kg | lbs | kg | lbs | kg | |||||
MPI 571S | 57-1S | 1 | - | - | - | - | 2.800 | 1.27 | - | - | 14.3 | 6.49 | 17.6 | 7.98 | 4 | - | 88.18/70.55 | 40/32 |
MPI 571L | 57-1L | 2 | - | - | - | - | 2.800 | 1.27 | - | - | 14.3 | 6.49 | 17.6 | 7.98 | 4 | - | 88.18/70.55 | 40/32 |
MPI 572S | 57-2S | 3 | - | - | - | - | 2.800 | 1.27 | - | - | 19.1 | 8.66 | 23.9 | 10.84 | 3 | - | 83.76/66.14 | 38/30 |
MPI 572L | 57-2L | 4 | - | - | - | - | 2.800 | 1.27 | - | - | 19.1 | 8.66 | 23.9 | 10.84 | 3 | - | 83.76/66.14 | 38/30 |
MPI 573S | 57-3S | 4 | - | - | - | - | 2.800 | 1.27 | - | - | 26.3 | 11.93 | 30.6 | 13.88 | 2 | - | 92.59/72.75 | 42/33 |
MPI 573L | 57-3L | - | - | - | - | 2.800 | 1.27 | - | - | 26.3 | 11.93 | 30.6 | 13.88 | 2 | - | 92.59/72.75 | 42/33 | |
MPI 5711 | 57-11 | - | 254 | 10 | 165.1 | 6-1/2 | 2.800 | 1.27 | 1120 | 508.02 | 16 | 7.257 | 19 | 8.62 | 3 | Standard | ||
MPI 5712 | 57-12 | - | 330.2 | 13 | 165.1 | 6-1/2 | 2.800 | 1.27 | 1120 | 508.02 | 25 | 11.34 | 27 | 12.25 | 2 | Standard | ||
MPI 5721 | 57-21 | - | 257.18 | 10-1/8 | 165.1 | 6-1/2 | 2.800 | 1.27 | 1120 | 508.02 | 15 | 6.80 | 18 | 8.17 | 2 | Standard | ||
MPI 5722 | 57-22 | - | 333.38 | 13-1/8 | 165.1 | 6-1/2 | 2.800 | 1.27 | 1120 | 508.02 | 21 | 9.53 | 25 | 11.34 | 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 | mm | inch | mm | inch | ||||
MPI 571S | 57-1S | 1 | 25 | 80 | 60 | 130 | 155 | 15 | 100 | 177.8 | 7 | 114.3 | 4.5 |
MPI 571L | 57-1L | 2 | 25 | 80 | 60 | 130 | 155 | 15 | 100 | 177.8 | 7 | 114.3 | 4.5 |
MPI 572S | 57-2S | 3 | 35 | 110 | 85 | 180 | 205 | 22 | 100 | 292.1 | 11-1/2 | 198.12 | 7.8 |
MPI 572L | 57-2L | 4 | 35 | 110 | 85 | 180 | 205 | 22 | 100 | 292.1 | 11-1/2 | 198.12 | 7.8 |
MPI 573S | 57-3S | 4 | 45 | 125 | 100 | 210 | 260 | 30 | 100 | 368.3 | 14-1/2 | 198.12 | 7.8 |
MPI 573L | 57-3L | 45 | 125 | 100 | 210 | 260 | 30 | 100 | 368.3 | 14-1/2 | 198.12 | 7.8 | |
MPI 5711 | 57-11 | - | 25 | 80 | 60 | 130 | 155 | 16 | 100 | 355.6 | 14 | 158.75 | 6-1/4 |
MPI 5712 | 57-12 | - | 35 | 110 | 85 | 180 | 205 | 25 | 100 | 558.8 | 22 | 241.3 | 9-1/2 |
MPI 5721 | 57-21 | - | 25 | 80 | 70 | 130 | 155 | 15 | 100 | 355.6 | 14 | 158.75 | 6-1/4 |
MPI 5722 | 57-22 | - | 35 | 110 | 80 | 180 | 205 | 22 | 100 | 558.8 | 22 | 241.3 | 9-1/2 |