This type of insulators is used as indoor busbar support and separator post insulator. Although these insulators are used for the purpose of indoor, specific leakage distance at IEC Standard type insulators is 12 mm/kV.
1 – Internal Post Insulator in accordance with DIN 48100 - 48102 Norms
-1 KV internal post insulator SAR-1
-12 KV internal post insulator SAR-10
-24 KV internal post insulator SAR-20
-36 KV internal post insulator SAR-30
2 - Internal Post Insulator in accordance with IEC 273 Norm
-12 KV internal post insulator J4-75
-17,5 KV internal post insulator J4-95
-24 KV internal post insulator J4-125
-36 KV internal post insulator J4-170
3 - Ejector Rod Insulators used in the built-in type separators
-12 KV close type operation rod insulator DAI-10
-17,5 KV close type operation rod insulator DAI-15
-24 KV close type operation rod insulator DAI-20
-36 KV close type operation rod insulator DAI-30
