Merlin Gerin Masterpact MP-MC Installation Instructions Manual

Merlin Gerin Masterpact MP-MC Installation Instructions Manual

Universal power breaker

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Masterpact
TM
installation
instructions
universal power
breaker
MERLIN GERIN
mastering electrical power

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Summary of Contents for Merlin Gerin Masterpact MP-MC

  • Page 1 75K A + S – 660 V sho rt tim e rat sec . test Icw =75 KA 0.5 – T + test co nn ec te d te st di sc on ne ct MERLIN GERIN mastering electrical power...
  • Page 2: Table Of Contents

    Masterpact MP-MC circuit breaker page table of contents installation introduction tools needed recommendation for storing identifying your Masterpact unpacking handling attaching rear terminals control wiring operation disconnecting instructions installing the breaker in its stationary assembly connecting instructions charging instructions closing instructions...
  • Page 3: Introduction

    Masterpact MP-MC circuit breaker Stacking : introduction recommendations for sto- maximum permitted : Instructions are to be followed when ring receiving the breaker and before installing it. it is not recommended to store the breakers MP08 to MP30 in corrosive or salt laden environment.
  • Page 4: Identifying Your Masterpact

    Masterpact MP-MC circuit breaker identifying your Masterpact circuit breaker frame location of markings electrical accesories identification label (fixed mounting) name label giving rating, interrupting ratings and rated voltage order number - position - date standard or specific diagram sensor rating...
  • Page 5: Unpacking

    Masterpact MP-MC circuit breaker fixed mounted drawout mounted unpacking MP08 to MP30 Breakers are screwed on their palett by means of 4 bolts. With drawout mounting, it is necessary to withdraw and remove the breaker to have access to the bolts.
  • Page 6 Masterpact MP-MC circuit breaker unpacking (cont'd) stationary assembly only MP08 to MP30 remove the tape holding the clusters (if any) MP40 to MP63 drawout mounted circuit breaker frame breaker is delivered upside down. Place another palett next to shipping palett. Rotate...
  • Page 7: Handling

    Masterpact MP-MC circuit breaker using the lateral handles handling MP08 to MP30 - MC08 to MC20 The Masterpact frame and its stationary assembly are provided with lateral handles in order to facilitate lifting. Before handling it is suggested to remove the breaker from its stationary assembly.
  • Page 8 Masterpact MP-MC circuit breaker using a lifting sling handling (cont'd) slings : MC32 .40 dia max. An external or overhead lifting device can Ø 10 mm max. use the lateral handles for lifting the circuit breaker as shown. Weights (lbs/ kg )
  • Page 9 Masterpact MP-MC circuit breaker handling (cont'd) using a lifting sling MP40 to MP63 slings : An external or overhead lifting device can .40 dia max. 30" min. use the lateral handles for lifting the circuit Ø 10mm max. breaker as shown.
  • Page 10: Attaching Rear Terminals

    Masterpact MP-MC circuit breaker MP08 - MP12 - MP16 attaching rear terminals fixed mounted drawout mounted The terminals provided with the Masterpact shall be mounted as indicated below : MP08 - MP20 MP20 drawout mounted fixed mounted screws M10, 60mm long tightening torque = 375 lb.in.
  • Page 11 Masterpact MP-MC circuit breaker MC32 attaching rear terminals drawout mounted (cont'd) MP40 MP40 - MC40 fixed mounted drawout mounted MP50 MP50 - MP63 - MC50 fixed mounted drawout mounted MERLIN GERIN 689 994B - 15/10/94...
  • Page 12: Control Wiring

    Masterpact MP-MC circuit breaker control wiring Each terminal may be connected by one stranded copper wire 18 to 14 AWG (0.6 to 2.5 mm Cable strip length : 3/8" / 9mm fixed mounting 1 install the connector 2 remove the transparent shield...
  • Page 13 Masterpact MP-MC circuit breaker control wiring (cont'd) drawout mounting 1 remove the front terminal cover 2 determine the terminal number according to the wiring label 3 connect the control wires using a small screwdriver and replace the front terminal cover...
  • Page 14 Masterpact MP-MC circuit breaker CONNECTED position disconnecting cubicle . In the CONNECTED position, the primary and secondary and connecting instruc- disconnecting terminals are engaged, and tions the circuit breaker is ready for service. All Masterpact circuit breakers have four In the TEST position, the primary drawout positions and can be operated in terminals are disengaged;...
  • Page 15: Disconnecting Instructions

    Masterpact MP-MC circuit breaker disconnecting instructions note: open the breaker before disconnecting it. Otherwise it will open automatically during disconnection. 1 remove the racking crank from its storage hole and engage it in the racking slot note : in case of racking interlock, press the "compartment door closed"...
  • Page 16: Installing The Breaker In Its Stationary Assembly

    Masterpact MP-MC circuit breaker installating the breaker in its stationary assembly note : a racking handle remaining inserted in its racking slot or a breaker not fully disconnected prevents the extraction of the right rail 1 pull the two extension rails by their...
  • Page 17: Connecting Instructions

    Masterpact MP-MC circuit breaker connecting instructions 1 engage racking crank into its racking slot note : the operation is possible only if : breaker is in DISCONNECTED position drawout mechanism padlocks have been removed Kirk key lock has been unlocked...
  • Page 18: Charging Instructions

    Masterpact MP-MC circuit breaker charging instructions Manually Electrically All basic breaker and drawout operations can be performed from the front of the breaker. Suitable electrical and mechanical interlocks are provided to prevent incorrect operation of the breaker. Manually operated breakers...
  • Page 19: Locking

    = 375 lb.in. breaker as shown. 11/16 hex head wrench may be used Shackle diameter : 1/4" to 5/16" screws M10, 60mm long 11/16 hex head wrench may be used sommaire couverture MERLIN GERIN mastering electrical power...
  • Page 20 page 5 remove the tape holding the clusters (if any)
  • Page 21 Masterpact MP-MC circuit breaker circuit breaker frame locking padlocking using a device (VBP). by Kirk lock (VSKA) Access to opening and/or closing the circuit breaker can be prevented by a padlock. locking in open position : push the OFF button...
  • Page 22 Masterpact MP-MC circuit breaker Door locking (cont'd) by door interlock (VDP) Prevents the door from opening when the breaker is in the connected and test positions. note : the hook can be mounted on either side. To change location :...
  • Page 23 Masterpact MP-MC circuit breaker locking (cont'd) Shutters by padlocking device storage lock in closed position position lock in open padlocking position Spring charged When the closing springs are charged, this interlock prevents the breaker from being discon- nected by-catching it in its stationary assembly...
  • Page 24 sales offices Idaho Missouri Rhode Island Boise ......(208) 376-0552 Jefferson City ... (314) 893-4426 Cranston (Providence) (401) 943-3380 in the united states Idaho Falls ....(208) 522-6274 Springfield ....(417) 887-2307 South Carolina St. Louis ....(314) 849-6330 Illinois Charleston ....

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