The Hager MCB 2P B-63A 2M protects 230/400 V AC circuits against overloads and short circuits. Two-pole, B‑curve, 63 A, with 10 kA Icn (IEC 60898‑1), Ics 15 kA and Icu 30 kA (IEC 60947‑2) for robust fault breaking. Compact 2 modules, IP20. Screw terminals with biconnect up to 35 mm², 6 kV impulse withstand, 50-60 Hz, 360° mounting. Ideal for residential and commercial boards.

EAN

3250614618253

Packaging

Miniature circuit breakers (MCB and MCB Multipolar)

Miniature Circuit Breaker 2P 32A Curve B 10kA/15kA, 2 Modules NBN263A

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Technical properties
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Complete your system

Modular phase busbar 1 products available
Terminal cover 1 products available
AOB type AC 4 products available
AOB type A-HI 1 products available
Protective cap/strip for phase busbar 1 products available

Technical properties

Rated current

63 A
Rated service breaking capacity Ics under 230 V AC according to IEC 60947-2

15 kA
Rated ultimate short-circuit breaking capacity Icu AC IEC 60947-2

15 kA
Rated current -15°C

78.07 A
Rated current -10°C

76.54 A
Rated current -5°C

75.05 A
Rated current at 0°C

73.54 A
Rated current 5°C

72.03 A
Rated current 10°C

70.52 A
Rated current 15°C

69 A
Rated current at 20°C

67.47 A
Rated current 25°C

65.95 A
Rated current 30°C

63 A
Rated current 35°C

62.03 A
Rated current at 40°C

60.50 A
Rated current at 45°C

58.68 A
Rated current at 50°C

58.27 A
Rated current 55°C

52.80 A
Rated current 60°C

50.51 A
Rated current 65°C

48.12 A
Rated current 70°C

45.60 A
Rated service breaking capacity Ics AC according to IEC 60947-2

50 %
Rated service breaking capacity Ics AC according to IEC 60898-1

7.50 kA

Type of pole

2P
Curve

B

Number of modules

2

Rated short-circuit breaking capacity Icn AC according to IEC 60898-1

10 kA

Nominal tightening torque top terminal

2.80 - 2.80 Nm
Nominal tightening torque down terminal

2.80 - 2.80 Nm
Nominal tightening torque

2.80 - 2.80 Nm
Type of bottom connection for modular devices

biconnect
Type of top connection for modular devices

Screw terminal
360° mounting position possible

Yes

Rated operational voltage Ue

400 - 400 V
Type voltage supply

AC
Rated insulation voltage Ui

500 V
Rated impulse withstand voltage Uimp

6000 V

Frequency

50 - 60 Hz

Cross-section of input and output with screws, for massive conductors

1 - 35 mm²
Cross-section of input and output with screws, for flexible conductors

1 - 25 mm²
Cross-section of input with screws, for flexible conductors

1 - 25 mm²
Cross-section of input with screws, for massive conductors

1 - 35 mm²

Ingress Protection (IP) class

IP20
Grid distance

60 mm

Degree of pollution according to IEC 60664 / IEC 60947-2

2
Class of energy limitation I²t

3
Operating temperature

-25 - 70 °C

Total power loss under IN

13.10 W

Type of connection

Screw terminal
Top connection alignment for modular devices

Aligned terminal
Down connection alignment for modular devices

Aligned terminal

Height

83 mm
Width

35 mm
Depth

70 mm

Environmental value

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RoHS conform Yes