Power Line Hardware & Insulators
ANSI 56-3 Porcelain Pin Insulator
ANSI 56-3 porcelain pin insulator for distribution lines. Mechanical and electrical ratings on request; bulk packing and OEM marking.
Place of origin:China
Model Number:56-3
Product name:pin type insulator
Standard:ASNI
MOQ:1 piece
Material:porcelain
Pin type porcelain insulators | | | | | | |
ANSI Class | | 56-1 | 56-2 | 56-3 | 56-4 | 56-5 |
Dimensions | | | | | | |
Diameter | mm | 191 | 229 | 267 | 305 | 343 |
Height | mm | 146 | 165 | 191 | 241 | 318 |
Creepage distance | mm | 330 | 432 | 533 | 686 | 865 |
Dry arcing distance | mm | 178 | 210 | 241 | 286 | 356 |
Minimum pin height | mm | 152 | 178 | 203 | 254 | 254 |
Mechanical Values | | | | | | |
Cantilever strength | kn | 11.4 | 13.6 | 13.6 | 13.6 | 13.6 |
Electrical Values | | | | | | |
Type application voltage | kv | 23 | 23 | 34.5 | 46 | 44 |
Low frequency dry flashover voltage | kv | 95 | 110 | 125 | 140 | 175 |
Low frequency wet flashover voltage | kv | 60 | 70 | 80 | 95 | 125 |
Critical impulse flashover voltage,positive | kv | 150 | 175 | 205 | 225 | 270 |
Critical impulse flashover voltage,negative | kv | 190 | 225 | 265 | 310 | 340 |
Low frequency puncture voltage | kv | 130 | 145 | 165 | 185 | 225 |
Radio influence Voltage Data | | | | | | |
Test voltage RMS to ground | kv | 15 | 22 | 30 | 30 | 44 |
Maximum RIV at 1000kHz | μv | 100 | 100 | 200 | 200 | 200 |
Packing and Shipping Data | | | | | | |
Net weight,approximate | kg | 3.5 | 5.6 | 8.5 | 10.8 | 13.5 |
Typical Applications
Where ANSI 56-3 Porcelain Pin Insulator is commonly specified:
- Overhead distribution lines and rural electrification projects
- Substation and transformer yard line hardware
- Utility maintenance and replacement programmes
- Line hardware kits supplied alongside conductor and fittings
- Contractor and tender supply for grid operators
Sourcing Notes
- MOQ and lead time are confirmed per configuration and order quantity.
- Samples can be arranged for evaluation before volume orders.
- Technical datasheets and dimensional drawings are provided per configuration.
- Mixed models can be combined in one container; packing lists and carton marking are prepared per line item.
OEM / Private Label
- Private-label housing colour, moulding and marking for volume orders.
- Retail packaging, hang tags, labels and barcodes produced to your artwork.
- Cable length, connector configuration and jacket colour configurable per programme.
- Documentation and marking prepared for the destination market.
FAQ
Q: What standards does this insulator comply with?
This range is manufactured to the ANSI class shown in the product designation. Test reports and dimensional drawings are provided on request for the specific class ordered.
Q: Can mechanical and electrical ratings be confirmed before ordering?
Yes. The ratings listed on this page are the catalogue values for the class ordered. Batch test data and inspection reports can be supplied with the shipment.
Q: Is mixed-class container loading possible?
Mixed classes and mixed insulator types can be combined in one container. Packing lists and marking are prepared per line item.
Send target quantity, destination market, required ratings and packaging requirement to request a quotation.