Line Post Type-57 series
1. Favourable price with high quality
2. Meet all customers' requirement
3. Manufacture in accordance with IEC ASIN DIN AS BS or design according to the customers drawings
4. Delivery on an early date
5. 57 series including 57-1/5 57-11/15 57-21/25 57-31/35. Our 57 series products enjoy a good reputation, and selling quite well in oversea market.

Creepage distance: 356-1143 mm
Drying arcing distance: 165-438 mm
Cantilever strength: 12.5 KN
Dry power frequency flashover voltage: 70-160 KV
Wet power frequency flashover voltage: 50-130 KV
Critical impulse flashover voltage /Positive: 120-265 KV
/Negative: 155-380KV
Radio interference voltage /Test to the ground: 15-44KN
/Max. RIV at 1 MHz: 100-200
Net weight: 5.2-21.5Kg