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Masterpact

MP-MC circuit breaker

689 994B - 15/10/94

MERLIN GERIN

14

TM

1

2

disconnecting instructions

note: open the breaker before disconnecting
it. Otherwise it will open automatically during
disconnection.

3

5

13

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" sensor located at
the front of the drawout mechanism to
simulate a closed door.

to reach the test position then

disconnected position turn the racking crank
anticlockwise until the test and disconnected
indication are shown on the position
indicator

3 caution : The racking handle must be

removed before pulling out the breaker,
otherwise the right rail will not fully extend

pull the two handgrips to extract the

breakers

use the two lateral handles to remove

the frame from its stationary assembly. See
other means of handling page 6

4

Summary of Contents for Masterpact MP-MC

Page 1: ...ing Icu 380 440V 75KA 660V 75KA Icu 380 440V 75KA 660V 75KA short time rating Icw 75KA 0 5 sec push to reset I I1 I2 I3 90 50 20 STR 58 U Ir 90 105 Ir 88 9 92 95 98 1 8 85 xIo Im tm 3 4 5 6 8 10 1 5 2...

Page 2: ...4 handling 6 attaching rear terminals 9 control wiring 11 operation disconnecting instructions 13 installing the breaker in its stationary assembly 15 connecting instructions 16 charging instructions...

Page 3: ...driver large and small wire stripper recommendations for sto ring it is not recommended to store the breakers in corrosive or salt laden environment Temperature limits from 60 F 50 C min to 160 F 70 C...

Page 4: ...ationary assembly electrical accesories identification label fixed mounting name label giving rating interrupting ratings and rated voltage order number position date standard or specific diagram no s...

Page 5: ...bolts fixed mounted 4 drawout mounted disconnect the breaker see page 12 and remove it from its stationary assembly see page 13 remove bolts nuts and washers drawout mounted without stationary assembl...

Page 6: ...ve the 4 shipping bolts position another wooden palett and rotate the frame remove the plastic caps breaker is delivered upside down Place another palett next to shipping palett Rotate breaker onto te...

Page 7: ...ng the circuit breaker as shown Weights lbs kg stationary frame terminals assembly MP08 51 23 102 46 13 6 MP12 51 23 102 46 13 6 MP16 51 23 102 46 13 6 MP20 60 27 121 55 36 16 MP25 110 50 176 80 89 40...

Page 8: ...frame alone compensation bar not supplied hooks can be supplied on request stationary assembly alone compensation bar not supplied hooks can be supplied on request using a lifting sling slings 40 dia...

Page 9: ...0 264 120 177 80 MP63 242 110 308 140 177 80 optional terminals 7 using a lifting sling slings 40 dia max 10mm max frame alone stationary assembly alone using a fork lift frame alone caution to avoid...

Page 10: ...nted MP20 fixed mounted MP25 MP30 fixed mounted TM screws M10 60mm long 11 16 hex head wrench may be used attaching rear terminals The terminals provided with the Masterpact shall be mounted as indica...

Page 11: ...P MC circuit breaker 689 994B 15 10 94 MERLIN GERIN 10 TM attaching rear terminals cont d MC32 drawout mounted MP40 MC40 drawout mounted MP40 fixed mounted or or MP50 MP63 MC50 drawout mounted MP50 fi...

Page 12: ...re 18 to 14 AWG 0 6 to 2 5 mm2 Cable strip length 3 8 9mm fixed mounting 1 install the connector 2 remove the transparent shield 3 connect the control wires according to the wiring diagrams shown on t...

Page 13: ...rminal 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 4 warning do not route the control...

Page 14: ...e engaged and the circuit breaker is ready for service In the TEST position the primary terminals are disengaged however control contacts are connected to permit operation of the circuit breaker The T...

Page 15: ...door closed sensor located at the front of the drawout mechanism to simulate a closed door 2 to reach the test position then disconnected position turn the racking crank anticlockwise until the test a...

Page 16: ...ll the breaker on the two extension rails making sure that the four breaker supports located on the two sides of the circuit breaker are correctly engaged in the slots See page 6 for other means of ha...

Page 17: ...is closed note in case of racking interlock press the compartment door closed sensor located at the front of the drawout mechanism to simulate a closed door 2 turn the racking crank clockwise until t...

Page 18: ...re charged breakers may be closed remotely via a spring release soleno d which is standard for electrically operated breakers and optional for manually operated breakers Before attempting to close the...

Page 19: ...hock between the load terminals and the cubicle cell page 9 screws M10 60mm long tightening torque 375 lb in 11 16 hex head wrench may be used screws M10 60mm long 11 16 hex head wrench may be used 1...

Page 20: ...MERLIN GERIN 12 page 5 remove the tape holding the clusters if any...

Page 21: ...o 5 16 circuit breaker frame by Kirk lock VSKA locking in open position push the OFF button turn the lock remove the key note this locking inhibits the insertion of the racking handle This will preven...

Page 22: ...act MP MC circuit breaker locking cont d Door 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 T...

Page 23: ...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 Before pulling out...

Page 24: ...5 592 8813 Harlingen 210 423 1694 Houston 713 493 1300 Longview 903 297 1267 Lubbock 806 794 4754 Midland 915 694 8430 San Antonio 512 829 7771 Sherman 903 868 2720 Waco 817 776 3432 Wichita Falls 817...

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