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Visual Instruction Booklet Essentials | November 2018
Supplemental Material For VR-Series
VR-Series
Interactive Instructions
Circuit Breakers
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This is a user interactive supplemental booklet. This material is
intended to enhance the technical information included in
the instruction booklet for the vacuum replacement (VR-Series
circuit breaker manufactured by Eaton.
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)
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Supplemental Material
For VR-Series
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Table of Contents
Related Manuals for Eaton VR+ Series
Summary of Contents for Eaton VR+ Series
- Page 1 Supplemental Material For VR-Series Circuit Breakers This is a user interactive supplemental booklet. This material is intended to enhance the technical information included in the instruction booklet for the vacuum replacement (VR-Series circuit breaker manufactured by Eaton. Supplemental Material For VR-Series...
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Page 2: Table Of Contents
Always remove the maintenance tool from the • circuit breaker after charging the closing springs. Circuit breakers are equipped with safety • interlocks. Do not defeat them. This may result in death, bodily injury or equipment damage. EATON | Visual Instruction Booklet Essentials | November 2018... -
Page 3: Vacuum Interrupter
The operating rod, loading spring, and bell crank transfer the mechanical motion from the circuit breaker’s stored energy mechanism to the moving stem of the vacuum interrupter. EATON | Visual Instruction Booklet Essentials | November 2018... -
Page 4: Vacuum Interrupter Integrity Test
The secondary disconnect must be grounded during test. WARNING DC HI-POTENTIAL TESTS ARE NOT RECOMMENDED BY EATON. DO NOT APPLY DC AT ANY LEVEL TO VR-SERIES POWER CIRCUIT BREAKERS. With the circuit breaker open and securely sitting on the floor, connect all top/front primary studs (bars) together and the high potential machine lead. -
Page 5: Insulation Integrity Test
APPLICATION OF HIGHER THAN RECOMMENDED VOLTAGE damage to insulation. AND/OR BELOW NORMAL CONTACT SPACING, IT IS RECOMMENDED THAT ALL OPERATING PERSONNEL STAND AT LEAST ONE METER AWAY IN FRONT OF THE CIRCUIT BREAKER. EATON | Visual Instruction Booklet Essentials | November 2018... -
Page 6: Current Path Resistance Test
0.000 5. Provide control power to the DLRO and turn it to the ON position. Select 100A output, if adjustable. conversion Field EATON | Visual Instruction Booklet Essentials | November 2018... -
Page 7: Vacuum Bottle Contact Inspection
“T” cutout is visible) then the vacuum interrupter assembly must be replaced. Field adjustment is not possible. Click the image above to view a satisfactory contact wipe and stroke. otee: EATON | Visual Instruction Booklet Essentials | November 2018... -
Page 8: Maintenance And Troubleshooting
Smooth operation Manual charging closing Correct per Trouble-Shooting Chart and tripping if necessary CloSure Test > 0.6 inch over travel Reference CloSure Test If < 0.6 contact P.B.C. ™ ™ at 1-877-276-9379 EATON | Visual Instruction Booklet Essentials | November 2018... -
Page 9: Component Replacement
Removal of shunt trip coil. Replacement Parts ITEMS DESCRIPTION EATON STYLE NUMBER SPRING RELEASE COILS / SHUNT TRIPS 24Vdc 94C9525G16 48Vdc 94C9525G17 125Vdc / 120Vac 94C9525G18 250Vdc / 240Vac 94C9525G19 EATON | Visual Instruction Booklet Essentials | November 2018... -
Page 10: Replacing The Charging Motor
Install the ratchet pawl spring. SPRING CHARGING MOTOR 48Vdc 94C9525G10 Rewire the motor leads to the terminal block; Black on 125Vdc 94C9525G11 TB8, and White on TB7 . 250Vdc / 240Vac 94C9525G12 EATON | Visual Instruction Booklet Essentials | November 2018... -
Page 11: Closure™ Test
” to ” from the switchgear, refer to the appropriate section of the instruction manual. * Note: Use the center of the marker diameter to determine "X" distance EATON | Visual Instruction Booklet Essentials | November 2018... - Page 12 Eaton’s electrical business is a global leader with expertise in power distribution and circuit protection; backup power protection; control and automation; lighting and security; structural solutions and wiring devices; solutions for harsh and hazardous environments; and engineering services. Eaton is positioned through its global solutions to answer today’s most critical electrical power management challenges.