






ANSI 54-4 is a 40KV porcelain ceramic stay strain insulator with 91kN cantilever strength, an ANSI standard pin type insulator. It features 76mm creepage distance, 23KV wet flashover voltage, 172mm height and 1.85kg net weight for high-voltage power transmission systems.

Stay insulators | |||||||
ANSI Class | | Gy3 | Gy4 | 54-1 | 54-2 | 54-3 | 54-4 |
Dimensions | |||||||
Diameter | mm | | | | | | |
Height | mm | 216 | 280 | 89 | 108 | 140 | 172 |
Creepage distance | mm | 118 | 126 | 41 | 48 | 57 | 76 |
Mechanical Values | |||||||
Cantilever strength | kn | 222 | 222 | 45 | 55 | 91 | 91 |
Electrical Values | |||||||
Low frequency dry flashover voltage | kv | 50 | 60 | 25 | 30 | 35 | 40 |
Low frequency wet flashover voltage | kv | 35 | 40 | 12 | 15 | 18 | 23 |
Packing and Shipping Data | |||||||
Net weight,approximate | kg | 4.2 | 5.0 | 0.50 | 0.65 | 1.20 | 1.85 |


