tender for supply of various ratio 36 kv line and bus isolator for various subtation under transmission zone ( north-east ) gorakhpur. , 36 kv , 2000a 50c / s triple pole , double break manually operated bus isolators complete with insulators, bimetallic terminal connectors, operating mechanism, auxiliary switches and indicating divice etc. as per tender specification. , 36 kv , 2000a 50c / s triple pole , double break manually operated line isolators complete with insulators, bimetallic terminal connectors, operating mechanism, auxiliary switches and indicating device etc. with earth blades as per tender specification. , 36 kv , 1250a 50c / s triple pole , double break manually operated bius isolators complete with insulators, bimetallic terminal connectors, operating mechanism, auxiliary switches and indicating device etc. with earth blades as per tender specification. , 36 kv , 1250a 50c / s triple pole , double break manually operated line isolators complete with insulators, bimetallic terminal connectors, operating mechanism, auxiliary switches and indicating devices etc. as per tender specification. , 36 kv , 800a 50c / s triple pole , double break manually operated bus isolators complete with insulators, bimetallic terminal connectors, operating mechanism, auxiliary switches and indicating device etc. with earth blades as per tender specification. , 36 kv , 800a 50c / s triple pole , double break manually operated line isolators complete with insulators, bimetallic terminal connectors, operating mechanism, auxiliary switches and indicating device etc. with earth blades as per tender specification.