CMTM3 series moulded case circuit breaker is applicable for rated insulation voltage 400/415/660/690/800/1000V , AC50/60Hz, Rated voltage 690V and below and rated current from 10A-800A. The MCCB is a reliable and versatile solution for protecting electrical equipment and circuits from overcurrents, and are widely used in industrial, commercial, and residential applications.
The product conforms with the IEC60947-2 standard.
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Frame current Inm(A) |
125 |
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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) |
1000V |
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Rated impulse withstand voltage Uimp (V) |
1200v |
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Rated Voltage Ue (V) |
AC400/690V AC800/1000V |
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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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CMTM3-630 front panel connection (3 p , 4 p)
CMTM3-630 back panel connection (3 p , 4 p)
1.Wide range current from 10A-1250A
2. Protection of circuits against short circuit current and overload current
3.Safety: the MCCB provide a high level of safety by protecting against overcurrents that can damage equipment or cause electrical fires.
4.Nice design and easy to install
5.Auxiliary devices are available ：Alarm contact/Auxiliary contact/Under voltage release/Shunt release/Handle operating mechanism/Electrical operating mechanism
The MCCB moulded case circuit breakers are professional & widely used in building, residence, industrial applications , electric power transmission.
16 pcs per carton
Dimension per outer box: 39*33*22 cm
The main market is Middle East, Africa, South East Asia, South America, Russia Market.
With ISO 9001, ISO14001 management system certificates, the products are qualified by international certificates CCC, CE, CB.