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Cielo Este » Cielo Electric » Products » MCB » DC

 

MCB

 

 

 

CM21 Series DC Miniature Circuit Breaker

 CM21

1 and 2-Pole miniature circuit breaker

Wide current range: 6 to 63A

Operational voltage: 63Vdc (1-Pole), 125Vdc (2-Pole)

Indicating state and tripping

Compliance with IEC 60947-2

B-type and C-type tripping current

Breaking capacity : 10KA (IEC 60947-2)

 

 

 Technical Specifications

 

Number of poles

  1 2

Rated operational voltage

Vdc 63 125

Rated Current

A 6 - 10 - 16 - 20 - 25 - 32 - 40 - 50 - 63

Range of instantaneous tripping current


B-type1 - C-type2

Tripping type

  Thermal magnetic

Rated short circuit capacity

A

10000 (IEC 60947-2)

Temperature coefficient for thermal tripping

%

+0.5%/-0.5% per 1°C less/more than 40 °C

Impulse withstand voltage

KV

4

Operating cycle


20000

Protection against external influence


Enclosed type
Method of mounting
  35 mm DIN rail

Method of connection


Screw type

Width mm 18 36

Depth

mm

73

Height

mm

77

Degree of protection

IP

IP 20

Pollution level

 

3

Ambient temperature

°C

-40 to +80

Relative humidity

%

≤95

Altitude

m

≤2000

 

 

1Above 3 In up to and including 5 In at 40 °C for magnetic tripping according to IEC 60947-2

2Above 5 In up to and including 10 In at 40 °C for magnetic tripping according to IEC 60947-2

 

 

CM21 Series Model Numbers

 

1-Pole

Rated Current (A)

Type B

Type C

6 CM21-B6/1 CM21-C6/1
10 CM21-B10/1 CM21-C10/1
16 CM21-B16/1

CM21-C16/1

20 CM21-B20/1 CM21-C20/1
25 CM21-B25/1 CM21-C25/1
32 CM21-B32/1 CM21-C32/1
40 CM21-B40/1 CM21-C40/1
50 CM21-B50/1 CM21-C50/1
63 CM21-B63/1 CM21-C63/1
2-Pole 6 CM21-B6/2 CM21-C6/2
10 CM21-B10/2 CM21-C10/2
16 CM21-B16/2 CM21-C16/2
20 CM21-B20/2 CM21-C20/2
25 CM21-B25/2 CM21-C25/2
32 CM21-B32/2 CM21-C32/2
40 CM21-B40/2 CM21-C40/2
50 CM21-B50/2 CM21-C50/2
63 CM21-B63/2 CM21-C63/2

 

 

 

 

 

CM22 Series DC Miniature Circuit Breaker

 CM22

1 and 2-Pole miniature circuit breaker

Wide current range: 6 to 63A

Operational voltage: 250Vdc (1-Pole), 500Vdc (2-Pole)

Indicating state and tripping

Compliance with IEC 60947-2

B-type and C-type tripping current

Breaking capacity : 10KA (IEC 60947-2)

 

 

 

 Technical Specifications

 

Number of poles

  1 2

Rated operational voltage

Vdc 250 500

Rated Current

A 6 - 10 - 16 - 20 - 25 - 32 - 40 - 50 - 63

Range of instantaneous tripping current


B-type1 - C-type2

Tripping type

  Thermal magnetic

Rated short circuit capacity

A

10000 (IEC 60947-2)

Temperature coefficient for thermal tripping

%

+0.5%/-0.5% per 1°C less/more than 40 °C

Impulse withstand voltage

KV

4

Operating cycle


20000

Protection against external influence


Enclosed type
Method of mounting
  35 mm DIN rail

Method of connection


Screw type

Width mm 18 36

Depth

mm

73

Height

mm

81

Degree of protection

IP

IP 20

Pollution level

 

3

Ambient temperature

°C

-40 to +80

Relative humidity

%

≤95

Altitude

m

≤2000

 

 

1Above 3 In up to and including 5 In at 40 °C for magnetic tripping according to IEC 60947-2

2Above 5 In up to and including 10 In at 40 °C for magnetic tripping according to IEC 60947-2

 

 

CM22 Series Model Numbers

 

1-Pole

Rated Current (A)

Type B

Type C

6 CM22-B6/1 CM22-C6/1
10 CM22-B10/1 CM22-C10/1
16 CM22-B16/1

CM22-C16/1

20 CM22-B20/1 CM22-C20/1
25 CM22-B25/1 CM22-C25/1
32 CM22-B32/1 CM22-C32/1
40 CM22-B40/1 CM22-C40/1
50 CM22-B50/1 CM22-C50/1
63 CM22-B63/1 CM22-C63/1
2-Pole 6 CM22-B6/2 CM22-C6/2
10 CM22-B10/2 CM22-C10/2
16 CM22-B16/2 CM22-C16/2
20 CM22-B20/2 CM22-C20/2
25 CM22-B25/2 CM22-C25/2
32 CM22-B32/2 CM22-C32/2
40 CM22-B40/2 CM22-C40/2
50 CM22-B50/2 CM22-C50/2
63 CM22-B63/2 CM22-C63/2

 

 

 

 

 

CM23 Series DC Miniature Circuit Breaker

 CM23

1 and 2-Pole miniature circuit breaker

Wide current range: 80 to 125A

Operational voltage: 63Vdc (1-Pole), 125Vdc (2-Pole)

Indicating state and tripping

Compliance with IEC 60947-2

B-type and C-type tripping current

Breaking capacity : 10KA (IEC 60947-2)

 

 

 

 Technical Specifications

 

Number of poles

  1 2

Rated operational voltage

Vdc 63 125

Rated Current

A 80 - 100 - 125

Range of instantaneous tripping current


B-type1 - C-type2

Tripping type

  Thermal magnetic

Rated short circuit capacity

A

10000 (IEC 60947-2)

Temperature coefficient for thermal tripping

%

+0.5%/-0.5% per 1°C less/more than 40 °C

Impulse withstand voltage

KV

4

Operating cycle


20000

Protection against external influence


Enclosed type
Method of mounting
  35 mm DIN rail

Method of connection


Screw type

Width mm 27 54

Depth

mm

73

Height

mm

81

Degree of protection

IP

IP 20

Pollution level

 

3

Ambient temperature

°C

-40 to +80

Relative humidity

%

≤95

Altitude

m

≤2000

 

 

1Above 3 In up to and including 5 In at 40 °C for magnetic tripping according to IEC 60947-2

2Above 5 In up to and including 10 In at 40 °C for magnetic tripping according to IEC 60947-2

 

 

CM23 Series Model Numbers

 

1-Pole

Rated Current (A)

Type B

Type C

80 CM23-B80/1 CM23-C80/1
100 CM23-B100/1 CM23-C100/1
125 CM23-B125/1

CM23-C125/1

2-Pole 80 CM23-B80/2 CM23-C80/2
100 CM23-B100/2 CM23-C100/2
125 CM23-B125/2 CM23-C125/2

 

 

 

 

 

CM24 Series DC Miniature Circuit Breaker

 CM24

1 and 2-Pole miniature circuit breaker

Wide current range: 80 to 125A

Operational voltage: 250Vdc (1-Pole), 500Vdc (2-Pole)

Indicating state and tripping

Compliance with IEC 60947-2

B-type and C-type tripping current

Breaking capacity : 10KA (IEC 60947-2)

 

 

 

 Technical Specifications

 

Number of poles

  1 2

Rated operational voltage

Vdc 250 500

Rated Current

A 80 - 100 - 125

Range of instantaneous tripping current


B-type1 - C-type2

Tripping type

  Thermal magnetic

Rated short circuit capacity

A

10000 (IEC 60947-2)

Temperature coefficient for thermal tripping

%

+0.5%/-0.5% per 1°C less/more than 40 °C

Impulse withstand voltage

KV

4

Operating cycle


20000

Protection against external influence


Enclosed type
Method of mounting
  35 mm DIN rail

Method of connection


Screw type

Width mm 27 54

Depth

mm

73

Height

mm

81

Degree of protection

IP

IP 20

Pollution level

 

3

Ambient temperature

°C

-40 to +80

Relative humidity

%

≤95

Altitude

m

≤2000

 

 

1Above 3 In up to and including 5 In at 40 °C for magnetic tripping according to IEC 60947-2

2Above 5 In up to and including 10 In at 40 °C for magnetic tripping according to IEC 60947-2

 

 

CM24 Series Model Numbers

 

1-Pole

Rated Current (A)

Type B

Type C

80 CM24-B80/1 CM24-C80/1
100 CM24-B100/1 CM24-C100/1
125 CM24-B125/1

CM24-C125/1

2-Pole 80 CM24-B80/2 CM24-C80/2
100 CM24-B100/2 CM24-C100/2
125 CM24-B125/2 CM24-C125/2

 

 

 

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