Merlin Gerin Masterpact MP-MC Installation Manual

Masterpact
installation
instructions

universal power
breaker

TM

O

push OFF

MERLIN GERIN

MP20
H1

m

a

s

te

rp

a

c

t

connected

test

disconnected

O OPEN

discharged

I

push ON

circuit breaker

3 pole
600V 50/60Hz

frame size 2000A

suitable for continious operation
at 100% rating in a minimum cubical
space H17.5 by W21 by D14.1/4 inches
ventilation is not required

interrupting rating
max RMS sym amps
Volts
240
480
600

short time rating 75KA

Amps
75K
75K
75K

IE

C

9

5

7

-

2

6

9

0

V

5

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3

8

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4

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V

7

5

K

A

6

6

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V

7

5

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3

8

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/4

4

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7

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6

6

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e

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g

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w

=

7

5

K

A

0

.5

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c

.

push to reset

I

I1 I2

I3

90%

50%

20%

STR 58 U

Ir

90

105

%

Ir

.

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9

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test

+ S

–

– T +

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4

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5

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reset V

tr

6

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1

2

0

2

4

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4

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6

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3

3

3

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8

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0

MERLIN GERIN

mastering electrical power

689 994B - 15/10/94

1MERLIN GERIN

Masterpact MP-MC circuit breaker

TM

page

table of contents

installation

introduction 2
tools needed 2
recommendation for storing 2
identifying your Masterpact 3
unpacking 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 17
closing instructions 17
opening instructions 17
resetting instructions 17
locking 18

refer to technical manual for :

■ control units

■ time-current curves

■ wiring diagrams

■ dimensions

■ maintenance

■ endurances

Masterpact MP-MC circuit breaker

689 994B - 15/10/94

MERLIN GERIN2

TM

introduction

Instructions are to be followed when
receiving the breaker and before installing it.

tools needed

■ hex key wrenches

■ straight blade scewdriver (large and

small)

■ wire stripper

recommendations for sto­ring

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)max

Breaker status :

■ main contacts open

■ spring discharged

■ connected position

Do not store breaker without its original
shipping carton or any protective covering.

2

Stacking :

maximum permitted :

MP08 to MP30

MP40 to MP63

689 994B - 15/10/94

3MERLIN GERIN

Masterpact MP-MC circuit breaker

TM

3

identifying your Masterpact

location of markingsTM

circuit breaker frame

stationary 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.

sensor rating
instantaneous pickup

electrical accesories
identification label

frame size
standard or specific diagram no.
order number - position - date

Masterpact MP-MC circuit breaker

689 994B - 15/10/94

MERLIN GERIN4

TM

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.

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 assembly

pull the two handgrips to extract the breaker

remove the four bolts

remove the 4 shipping bolts

breaker is delivered upside down. Place
another palett next to shipping palett. Rotate
breaker onto terminals, then onto its bottom
on second palett

689 994B - 15/10/94

5MERLIN GERIN

Masterpact MP-MC circuit breaker

TM

5

unpacking (cont'd)

MP08 to MP30

stationary assembly only

MP40 to MP63 drawout mounted

∂ remove 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 terminals, then onto its bottom
on second palett

circuit breaker frame

remove the 4 shipping bolts

stationary assembly

remove the tape holding the clusters (if any)

Masterpact MP-MC circuit breaker

689 994B - 15/10/94

MERLIN GERIN6

TM

frame alone

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.
See page 13 for operation.
External or overhead lifting device can use
the lateral handles for lifting the circuit
breaker as shown.

Weights (lbs/kg)

stationary frame terminals
assembly

MP08 51 /

23

102 /

46

13 / 6 ➀

MP12 51 /

23

102 /

46

13 / 6 ➀

MP16 51 /

23

102 /

46

13 /

6

MP20 60 /

27

121 /

55

36 /

16

MP25 110 /

50

176 /

80

89 /

40

MP30 110 /

50

176 /

80

89 /

40

MC08 51 /

23

102 /

46

13 /

6

➀

MC16 51 /

23

102 /

46

13 /

6

MC20 60 /

27

121 /

55

36 /

16

➀ optional terminals

using the lateral handles

frame alone

caution:

to avoid damage to the stationary assembly
do not let the forks of the fork lift protrude
past the rear of the breaker.

stationary assembly alone

using a lifting sling

slings :

.40 dia max.

Ø 10 mm max.

frame alone

stationary assembly alone

using a fork lift

689 994B - 15/10/94

7MERLIN GERIN

Masterpact MP-MC circuit breaker

TM

handling (cont'd)

MC32

An external or overhead lifting device can
use the lateral handles for lifting the circuit
breaker as shown.

Weights (lbs/kg)

stationary frame
assembly

MC32 254 /

115

198 /

90

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 max.

Ø 10 mm max.

stationary assembly alone

caution:

lift the stationary assembly enough to avoid
any shock between the load terminals and
the cubicle cell.

using a fork lift

2 slings : .40 dia max.

Ø 10 mm max.

1 sling : .40 dia max. 58.8 long max.

Ø 10 mm max. lg = 1500 mm max.