Eaton Cutler-Hammer 36W-VAC25 Instructions For Installation, Operation And Maintenance

Also see for 120W-VAC16: Instructions for installation, operation and maintenance

I.B. 3A74499B Page 1Effective 11/97SECTION 1: INTRODUCTIONThe purpose of this book is to provide instructions forunpacking, storage, installation, operation and mainte-nance of Type W-VAC Vacuum Circuit Breakers. TypeW-VAC is a horizontal drawout type removable inter-rupting element design. It was designed specifically toIEC 56 Standards for reliable performance, ease ofhanding, and simplified maintenance. Type W-VAC canbe applied in both single tier or double tier switchgearapplications, with the basic breaker element applicableto retrofitting. Reliable control and protection for mediumvoltage equipment and circuits are achieved though theuse of Type W-VAC Vacuum Circuit Breakers.1-1 TYPE W-VAC BREAKER RATINGSRefer to Table 1.1SATISFACTORY PERFORMANCE OF THESEBREAKERS IS CONTINGENT UP-ON PROPERAPPLICATION, CORRECT INSTALLATION ANDADEQUATE MAINTENANCE. THIS INSTRUCTIONBOOK MUST BE CAREFULLY READ AND FOL-LOWED IN ORDER TO OBTAIN OPTIMUM PERFOR-MANCE FOR LONG USEFUL LIFE OF THE CIRCUITBREAKERS.TYPE W-VAC BREAKERS ARE PROTECTIVEDEVICES, AS SUCH, THEY ARE MAXIMUM RATEDDEVICES. THEREFORE, THEY SHOULD NOTUNDER ANY CIRCUMSTANCES BE APPLIED OUT-SIDE THEIR NAMEPLATE RATINGS.! WARNINGTable 1.1 Type W-VAC Vacuum Circuit Breaker RatingsCircuit Rated Frequency Rated Short Circuit Rated Insulation Level Rated Rated Nominal CurrentBreaker Voltage Breaking Current Lighting Power ShortType at & Short Circuit Pulse Frequency Circuit50-60HZ Duration Withstand Withstand MakingVoltage Voltage CurrentkV Hz kA Sec kV kV kA (Peak) Amperes36W-VAC25 3.6 50/60 25 3 40 10 63 630, 1250, 200072W-VAC16 7.2 50/60 16 3 60 20 40 630, 800, 125072W-VAC20 7.2 50/60 20 3 60 20 50 630, 800, 1250, 160072W-VAC25 7.2 50/60 25 3 60 20 63 630, 800, 1250, 1600, 200072W-VAC32 7.2 50/60 31.5 3 60 20 79 1250, 2000120W-VAC16 12 50/60 16 3 75 28 40 630, 800, 1250120W-VAC20 12 50/60 20 3 75 28 50 630, 800, 1250, 1600120W-VAC25 12 50/60 25 3 75 28 63 630, 800, 1250, 1600, 2000120W-VAC32 12 50/60 31.5 3 75 28 79 1250, 2000120W-VAC40 12 50/60 40 3 75 28 100 1250, 2000150W-VAC16 15 60 16 3 95 36 40 630, 800, 1250150W-VAC20 15 60 20 3 95 36 50 630, 800, 1250, 1600150W-VAC25 15 60 25 3 95 36 63 630, 800, 1250, 1600, 2000150W-VAC32 15 60 31.5 3 95 36 79 1250, 2000