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 |