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S&C VacuFuse II, Installation And Operation Manual

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S&C VacuFuse II Installation And Operation Manual Download Page 9

S&C Instruction Sheet 466-500    9

VacuFuse II Interrupter Parts

Become familiar with the parts of the VacuFuse II Self-
Resetting Interrupter. See Figure 3.

Figure 3� An overview of the VacuFuse II Self-Resetting Interrupter�

POSITION indicator

CHARGING LED

Manual operating 
lever

Hinge-end contact

Jaw-end contact

Pull-ring

Before Starting

Trunnion

READY TO CLOSE LED

Summary of Contents for VacuFuse II

Page 1: ...and Handling 8 Inspection 8 Packing 8 Handling 8 Storage 8 Returning 8 Before Starting 9 VacuFuse II Interrupter Parts 9 Understanding the Closing Sequence 10 Understanding the LED Indicators and POSI...

Page 2: ...They are not intended to be a substitute for adequate training and experience in safety procedures for this type of equipment NOTICE Thoroughly and carefully read this instruction sheet before install...

Page 3: ...ATES TO THE GOODS DESCRIBED HEREIN ANY DESCRIPTION THAT RELATES TO THE GOODS OR ANY REMEDIAL PROMISE INCLUDED IN PRICE SHEET 150 OR PRICE SHEET 153 Warranty For VacuFuse II Self Resetting Interrupters...

Page 4: ...warranty set forth in S C Price Sheet 150 does not apply to a VacuFuse II interrupter retrofitted in other than a present production R10 or R11 S C provided cutout mounting VacuFuse II Self Resetting...

Page 5: ...can result in product or property damage if instructions are not followed If any portion of this instruction sheet is unclear and assistance is needed contact the nearest S C Sales Office or S C Auth...

Page 6: ...mber A WARNING A VacuFuse II Self Resetting Interrupter must be dropped out from the cutout mounting to be considered OPEN and de energized Device may be energized from either side G 9842 DANGER B TCC...

Page 7: ...ys consider all parts live until de energized tested and grounded 6 OPERATING TOOLS To close a VacuFuse II Self Resetting Interrupter use a conventional insulated hotstick or S C Universal Pole and Po...

Page 8: ...ing hardware for securing the cutout mounting to the pole if specified Handling NOTICE DO NOT DROP the VacuFuse II Self Resetting Interrupter or subject any of its parts to undue stress during install...

Page 9: ...h the parts of the VacuFuse II Self Resetting Interrupter See Figure 3 Figure 3 An overview of the VacuFuse II Self Resetting Interrupter POSITION indicator CHARGING LED Manual operating lever Hinge e...

Page 10: ...it into the cutout mounting or less than 35 seconds after the CHARGING LED has begun blinking When closed into the cutout mounting in this state the CHARGING LED will blink at a 1 second interval if t...

Page 11: ...ontains a highly reflective visible red or green target that indicates the position of the vacuum interrupter inside the VacuFuse II Self Resetting Interrupter The target is green when the vacuum inte...

Page 12: ...cuFuse II interrupter cutout mounting to a suitable mounting bracket as illustrated in Figure 7 Tighten the carriage bolt nut until snug but loose enough to permit pivot adjustment Note the placement...

Page 13: ...ar particularly in the upper and lower contact areas If ANY damage is visible replace the cutout mounting before proceeding DO NOT install and or energize a VacuFuse II Self Resetting Interrupter into...

Page 14: ...g Sequence section on page 10 STEP 2 Stand firmly in front of and in line with the cutout mounting Do not operate standing directly underneath the VacuFuse II Self Resetting Interrupter If using an ex...

Page 15: ...he reclosing event the unit will lock out and drop out from the cutout mounting Note that non reclosing VacuFuse II interrupters will lock out and drop out from the cutout mounting every time the devi...

Page 16: ...ty s standard practice for performing transformer maintenance After any necessary maintenance or repairs have been completed install the VacuFuse II Self Resetting Interrupter and close it into the mo...

Page 17: ...nterrupter will trip open independently of any force still applied to the manual operating lever To Reset the Manual Operating Lever After Manually Closing into Fault Current When the VacuFuse II inte...

Page 18: ...g lever Confirm the POSITION indicator at the base of the VacuFuse II interrupter displays a green target STEP 2 Wait one minute and 45 seconds until the VacuFuse II Self Resetting Interrupter drops o...

Page 19: ...rupter that is in the Closed position without using a loadbreak tool such as S C s Loadbuster tool An arc started by opening a VacuFuse II Self Resetting Interrupter under load without a loadbreak too...

Page 20: ...ol s anchor must be hooked to the attachment hook on the far side of the VacuFuse II interrupter The Loadbuster tool should never be attached with its anchor hooked on the closest side of the VacuFuse...

Page 21: ...a trigger inside the tool will trip releasing the charged spring separating the internal contacts and interrupting the circuit Successful operation is independent of the speed with which the VacuFuse...

Page 22: ...and pull ring at the same time by twisting the pole after the Loadbuster tool has been tripped and fully extended To perform this operation smoothly always roll the Loadbuster tool so that it rotates...

Page 23: ...urs the unit will go into its End of Life state Topreventprematureendoflife useLoadbuster The S C Loadbreak Tool to operate the VacuFuse II interrupter into the Dropout position Refer to the Operation...

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