CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB
Product Details
The CMTM3 series of molded case circuit breakers are suitable for use with rated insulation voltages of 400/415/660/690/800/1000V, AC50/60Hz, and rated voltages of 690V and below, with rated currents ranging from 10A to 800A. It has the feature of compact structure, small size, high breaking capacity, short electric arc, and complete internal and external accessories
CMTM3 MCCB has the function of overload, short circuit and under-voltage protection, can protect the line and power supply device from damage.
All the products are tested and can meet standard of IEC60947-2.
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Frame current Inm(A) |
125A |
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Model NO. |
CMTM3- 125L |
CMTM3- 125M |
CMTM3- 125H |
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Rated Current ln(A) |
10,16,20,25,32,40,50,63,80,100,125 |
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Poles |
2 |
3 |
4 |
3 |
4 |
2 |
3 |
4 |
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Rated Insulation voltage Ui (V) |
1000 |
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Rated impulse withstand voltage Uimp (V) |
1200 |
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Rated Voltage Ue (V) |
AC 400/690V AC 800/1000V |
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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 |
22 |
35 |
55 |
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AC690V |
/ |
20 |
20 |
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AC800V AC1000V |
/ |
10 |
10 |
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Electric life |
1500 |
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Size |
W |
65 |
92 |
122 |
92 |
75 |
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L |
150 |
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H |
69 |
86 |
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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)
CMTM3-125 front panel connection (3 poles and 4 poles)
CMTM3-125 back panel connection (3 poles and 4 poles)
Advantage
1. Wide rated current range : 10A-1250A
2. Function of short circuit current and overload
3. Fllexiable auxiliary devices can be choosen ,such as alarm contact, auxiliary contact,under voltage release,shunt release,handle operating mechanism,electrical operating mechanism...etc
Application
The moulded case circuit breaker is widely used in building, residence, industrial applications , electric power transmission.
Others
Packaging
16 pcs per carton
Dimension per outer box: 39*33*22 cm
Why choose us
