The Hager MCB 3P 15kA B-63A 3M miniature circuit breaker protects three-phase circuits against overloads and short circuits. Rated 63 A with B-curve for standard/resistive final circuits, it offers 15 kA Icu (230/400 V), 10 kA Icn (IEC 60898-1), and 7.5 kA Ics. 415 V AC, 50/60 Hz. Compact 3 modules (52.5 mm). Screw/biconnect terminals for 1-35 mm². IP20, -25 to 70 °C. 20,000 mech/4,000 electrical ops.

EAN

3250614645822

Packaging

1 Piece

Miniature circuit breaker 3P 20A Curve B Icu 25kA 415V AC 3 Modules NQN363

Phase out product: please contact your electrical wholesaler for availability

Accessories
Technical properties
Documentations

Download the data sheet

Complete your system

Terminal cover 1 products available
Modular phase busbar 3 products available
AOB type A-HI 2 products available
AOB type AC 3 products available
Protective cap/strip for phase busbar 1 products available

Technical properties

Rated current IN

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

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

15 kA
Rated ultimate short-circuit breaking capacity Icu under 400 V AC IEC 60947-2

15 kA
Rated current -15°C

76.06 A
Rated current -10°C

74.72 A
Rated current -5°C

73.36 A
Rated current at 0°C

71.97 A
Rated current 5°C

70.56 A
Rated current 10°C

69.11 A
Rated current 15°C

67.64 A
Rated current at 20°C

66.13 A
Rated current 25°C

64.58 A
Rated current 30°C

63 A
Rated current 35°C

60.96 A
Rated current at 40°C

58.86 A
Rated current at 45°C

56.68 A
Rated current at 50°C

54.40 A
Rated current 55°C

52.03 A
Rated current 60°C

49.55 A
Rated current 65°C

46.94 A
Rated current 70°C

44.17 A

Type of pole

3P
Curve

B

Number of modules

3

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

Rated operational voltage Ue

415 - 415 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