CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB

Shop high-quality CMTM3 Series MCCBs. As a factory, we offer 125A, 250A, and 400A options. Trust our reliable products for efficient circuit protection.

Request a Quote
  • CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB
  • CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB
  • CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB
  • CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB
  • CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB

PRODUCTS DETAILS

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.

   Frame current   Inm(A)

125A

Model NO.

CMTM3- 125L

CMTM3- 125M

CMTM3- 125H

Rated Current ln(A)

10,16,20,25,32,40,50,63,80,100,125

Poles

2

3

4

3

4

2

3

4

Rated Insulation voltage Ui (V)

1000

Rated impulse withstand voltage Uimp (V)

1200

Rated Voltage Ue (V)

AC 400/690V    AC 800/1000V

Distance of ARC (mm)

≤50

Rated ultimated short circuit breaking capacity lcu (KA)

AC400V

35

50

85

AC690V

/

30

30

AC800V AC1000V

/

15

15

Rated run short circuit breaking capacity lcs (KA)

AC400V

22

35

55

AC690V

/

20

20

AC800V AC1000V

/

10

10

Electric life

1500

Size

W

65

92

122

92

75

L

150

H

69

86

  Shunt release

 under-voltage release

 Auxiliary contact

 Alarm contact

 motor operation mechanism

Extended manual operation handle

Application

The moulded case circuit breaker is widely used in building, residence, industrial applications , electric power transmission.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

Packaging

16 pcs per carton Dimension per outer box: 39*33*22 cm

Advantage

Others

Why choose us

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)

Type Designation

Hot Products

CMTQ1 ATS Dual Power Automatic Transfer Switch

CMTQ1 ATS Dual Power Automatic Transfer Switch

CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB

CMTM3 Series 125A 250A 400A Moulded Case Circuit Breaker MCCB

CMTB1-63 Mini Smart 230v 40a 50a 63a 1p 2p 3p 4p Miniature Circuit Breaker

CMTB1-63 Mini Smart 230v 40a 50a 63a 1p 2p 3p 4p Miniature Circuit Breaker

CMTM6RT Series 400A 3P Thermal Electromagnetic Circuit Breaker

CMTM6RT Series 400A 3P Thermal Electromagnetic Circuit Breaker

CMTB1-63H 4P High Breaking Capacity Mcb Miniature Circuit Breaker

CMTB1-63H 4P High Breaking Capacity Mcb Miniature Circuit Breaker

CMTQ2 Series 63A mini Automatic Transfer Switch ATS

CMTQ2 Series 63A mini Automatic Transfer Switch ATS

MUTAI CMTQ4 Series ATS  Dual Power Automatic Transfer Switch

MUTAI CMTQ4 Series ATS Dual Power Automatic Transfer Switch

Mutai CMTB1-63 2P 10A 16A 20A 25A 32A Mcb Miniature Circuit Breaker

Mutai CMTB1-63 2P 10A 16A 20A 25A 32A Mcb Miniature Circuit Breaker

MUTAI CJX2 2510 25A 220V 380V AC Contactor

MUTAI CJX2 2510 25A 220V 380V AC Contactor

MUTAI CMTB1LE-63 1P N Residual Current Operated Circuit Breaker RCBO

MUTAI CMTB1LE-63 1P N Residual Current Operated Circuit Breaker RCBO

Contact us

Please feel free to give your inquiry in the form below We will reply you in 24 hours