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Eaton Magnum MRR1000 Instruction Booklet
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Eaton Magnum MRR1000 Instruction Booklet

Breaker remote racking device
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Instruction Booklet IB01900004E
Magnum breaker remote
racking device (MRR1000)
Effective July 2016
Supersedes March 2011
Contents
Description
Section 1: Introduction . . . . . . . . . . . . . . . . . . . . . 3
circuit breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Section 4: Procedures . . . . . . . . . . . . . . . . . . . . . . 6
Section 5: Warranty . . . . . . . . . . . . . . . . . . . . . . . 12
Section 6: Troubleshooting . . . . . . . . . . . . . . . . . 12
Section 7: Additional publications . . . . . . . . . . . . 12
Page

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Summary of Contents for Eaton Magnum MRR1000

  • Page 1: Table Of Contents

    Effective July 2016 Instruction Booklet IB01900004E Supersedes March 2011 Magnum breaker remote racking device (MRR1000) Contents Description Page Section 1: Introduction . . . . . . . . . . . . . . . . . . . . . 3 Section 2: Safe practices for power circuit breakers .
  • Page 2 (MRR1000) Effective July 2016 NOTICE This product is manufactured by Eaton at the Asheville Assemblies Plant: 221 Heywood Road, Arden, NC 28704 . ALL USERS OF THIS PRODUCT SHOULD READ AND FOLLOW THE All possible contingencies that may arise during installation, INSTRUCTIONS PROVIDED HEREIN;...

  • Page 3: Section 1: Introduction

    1.1 Compatibility The remote racking device is compatible with any drawout breaker Eaton’s MRR1000 provides a means of remotely inserting or in the Magnum DS family of power circuit breakers . This includes removing any drawout circuit breaker in the Magnum DST family the Magnum DS standard frame, narrow frame and doublewide of power circuit breakers .
  • Page 4 Instruction Booklet IB01900004E Magnum breaker remote racking device (MRR1000) Effective July 2016 “A” shaft “B” handle inch (mm) inch (mm) Retracted position 2.75 (69.85) 4.28 (108.71) Extended position 4.75 (120.65) 2.28 (57.91) EATON www.eaton.com...

  • Page 5: Section 2: Safe Practices For Power

    . File claims immediately with the carrier if damage or FAILURE TO DO SO COULD RESULT IN CUTTING OR CRUSHING INJURIES. loss is detected and notify the nearest Eaton’s Electrical Services & • BREAKERS ARE EQUIPPED WITH SAFETY INTERLOCKS. DO NOT DEFEAT Systems office .

  • Page 6: Section 4: Procedures

    . The rubber gasket that surrounds the breaker Figure 2. MRR1000 locking handle face will easily push aside . (On arc-resistant style breaker doors, the retractable bellows will also permit insertion of the remote racking device .) EATON www.eaton.com...
  • Page 7 7. While supporting the weight of the MRR1000, rotate the locking handle forward until it clicks into place (Figure 5) . Figure 6. MRR1000 installed on breaker Figure 4. MRR1000 attachment to breaker Figure 5. MRR1000 locking handle engaged EATON www.eaton.com...
  • Page 8 “DISCONNECT” position can be verified by the status indicator in the lower right corner of the breaker face (Figure 10) . Depending on the position of the shaft/clutch mechanism, the “TURNING” light may be either off or steady on to indicate a stopped condition. EATON www.eaton.com...
  • Page 9 . The unit can now be removed from the circuit breaker . m CAUTION ALWAYS REMOVE THE REMOTE RACKING DEVICE FROM THE BREAKER WHEN NOT IN USE. Figure 9. MRR1000 operating pendant Figure 11. MRR1000 shaft/clutch mechanism Figure 10. Magnum DS position indicator EATON www.eaton.com...
  • Page 10 “READY” light on the pendant to illuminate . If the “READY” button does not illuminate, see Troubleshooting in Section 6 . An acceptable distance shall be determined by completing an Arc Flash Incident Energy Calculation and by using the company’s Personal Protective Equipment and Safety Policy. EATON www.eaton.com...
  • Page 11 STANDARD SAFETY PRACTICES FOR WORKING WITH POWER CIRCUIT BREAKERS. INTERLOCKS AND OTHER SAFETY FEATURES ESSENTIAL TO THE TRIPPING OR CLOSING OF THE BREAKER CONTACTS MUST BE REGARDED WITH THE UTMOST CAUTION DURING ANY INSTALLATION, OPERATION, OR MAINTENANCE OPERATION. EATON www.eaton.com...

  • Page 12: Section 5: Warranty

    Maintenance of Magnum SB Insulated Case CONTAINED HEREIN. Low-Voltage Power Circuit Breakers In no event will Eaton be responsible to the purchaser or user in IB 01901001E Instructions for Magnum DS Metal-Enclosed contract, in tort (including negligence), strict liability or otherwise...