The Hager MCB 4P C-40A 4M safeguards three-phase circuits against overloads and short circuits. Rated 400 V, 50-60 Hz, it offers 6/10 kA Icn (IEC 60898-1), plus Icu 20 kA at 230 V and 10 kA at 400 V (IEC 60947-2) with Ics 15 kA. Compact 4 modules, IP20, -25 to 70 °C, 6 kV impulse withstand. Screw terminals (up to 35 mm²) and biconnect bottom ease wiring. Ideal for main or subcircuit protection in residential and commercial panels.

EAN

3250614628481

Packaging

Miniature circuit breakers (MCB and MCB Multipolar)

MCB 4P 6A Curve C 6/10kA 400V 4M NFN440

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Technical properties
Environmental value
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Complete your system

Modular phase busbar 1 products available
Terminal cover 1 products available
AOB type A-HI 3 products available
AOB type AC 5 products available
AOB type AC/A-SEL 1 products available

Technical properties

Rated current IN

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

15 kA
Rated short-circuit breaking capacity Icn under 230 V AC according to IEC 60898-1

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

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

10 kA
Rated current -15°C

56.16 A
Rated current -10°C

54.36 A
Rated current -5°C

52.57 A
Rated current at 0°C

50.77 A
Rated current 5°C

48.98 A
Rated current 10°C

47.18 A
Rated current 15°C

45.39 A
Rated current at 20°C

43.59 A
Rated current 25°C

41.80 A
Rated current 30°C

40 A
Rated current 35°C

39.89 A
Rated current at 40°C

39.79 A
Rated current at 45°C

39.68 A
Rated current at 50°C

39.57 A
Rated current 55°C

39.46 A
Rated current 60°C

39.36 A
Rated current 65°C

39.25 A
Rated current 70°C

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

75 %
Rated service breaking capacity Ics AC according to IEC 60898-1

6 kA

Type of pole

4P
Curve

C

Number of modules

4

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

6 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

Power dissipation at IN

15 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

70 mm
Depth

70 mm

Environmental value

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RoHS conform Yes