CMTM3 Series 250A 3 Phase Mccb Moulded Circuit Breaker
Product Details
CMTM3 series moulded case circuit breaker is suitable for rated insulation voltage 400/415/660/690/800/1000V , AC50/60Hz and Rated voltage 690V or below , It has wide rated current from 10A-800A. It has the feature of compact structure, small size, high breaking capacity, short electric arc, and complete internal and external accessories
CMTM3 MCCB is a type of electrical protection device which has the protection of overload, short circuit and under-voltage.
The product conforms with the standard of IEC60947-2
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Frame current Inm(A) |
250 |
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Model NO. |
CMTM3- 250L |
CMTM3- 250M |
CMTM3- 250H |
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Rated Current ln(A) |
100,125,140,160,180,200,225,250 |
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Poles |
2 |
3 |
4 |
3 |
4 |
2 |
3 |
4 |
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Rated Insulation voltage Ui (V) |
1000V |
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Rated impulse withstand voltage Uimp (V) |
1200V |
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Rated Voltage Ue (V) |
AC400V/690V AC800V/1000V |
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Distance of ARC (mm) |
≤50 |
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Rated ultimated short circuit breaking capacity lcu (KA) |
AC400V |
35 |
50 |
85 |
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AC690V |
/ |
30 |
30 |
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AC800V AC1000V |
/ |
15 |
15 |
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Rated run short circuit breaking capacity lcs (KA) |
AC400V |
25 |
35 |
55 |
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AC690V |
/ |
20 |
20 |
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AC800V AC1000V |
/ |
10 |
10 |
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Electric life |
1000 |
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Size |
W |
107 |
107 |
142 |
107 |
150 |
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L |
150 |
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H |
86 |
103 |
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Shunt release |
▲ |
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under-voltage release |
▲ |
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Auxiliary contact |
▲ |
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Alarm contact |
▲ |
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motor operation mechanism |
▲ |
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Extended manual operation handle |
▲ |
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Type Designation
Curve
Outline and Installion dimension (mm)
CMTM3-250 front panel connection (3 poles , 4 poles)
CMTM3-250 back panel connection (3 poles , 4 poles)
Advantage
1.Rated current from 10A-1250A
2. Protection of circuits against short circuit current and over load current
4.Nice design and easy to install
5. Easy to install with auxiliary devices , like:Alarm contact/Auxiliary contact/Under voltage release/Shunt release/Handle operating mechanism/Electrical operating mechanism
Application
The MCCB moulded case circuit breakers are professional & widely used in building, residence, industrial applications , electric power transmission.
Others
Packaging
12 pcs per carton
Dimension per outer box: 47*40*20cm
Why choose us
