supply of supply, installation, testing and commissioning of set of lt switchgear devices etc.supply, installation, testing and commissioning of set of lt switchgear devices etc., supply, installation, testing and commissioning of set of lt switchgear devices ( air circuit breaker ) & panels for provisioning of 6kv / 750v supply arrangement at src, pdpk and shm. quantities and detailed description is given in the attached detailed specification. one set consists of 1 ) 750v, 4 pole, 630a air circuit breaker as per the attached detailed specifications - quantity - 13 nos. 2 ) air circuit breaker based 750v lt panel ( 02 nos. 800 a incoming acb, 02 nos. 800a outgoing acb and 01 nos. bus coupler 800a acb ) as per the attached detailed specifications. quantity- 02 nos. 3 ) air circuit breaker based 750v lt panel ( 02 nos. 800 a incoming acb, 04 nos. 630a outgoing acb and 01 nos. bus coupler 800a acb ) as per the attached detailed specifications. quantity - 01 nos. 4 ) air circuit breaker based 750v lt panel ( 02 nos. 800 a incoming acb, 06 nos. 630a outgoing acb and 01 nos. bus coupler 800a acb ) as per the attached detailed specifications. quantity - 02 nos. sr.section engg-power-src , west bengal 1.00 set