The Hager MCB 4P 50A B-curve (4 modules) protects three-phase + neutral circuits against overloads and short circuits. Icu 15kA (230/400V), Ics 7.5kA, Icn 10kA suit residential and commercial boards. Rated 415V AC, 50/60Hz, IP20. Screw terminals and biconnect bottom accept 1-35 mm²; 360° mounting. Durable with 20,000 mechanical/4,000 electrical ops. Operating range -25 to 70°C.

EAN

3250614645969

VPE

1 piece

Moulded Case Circuit Breaker X160 4P 20A 40kA Icu 415V Toggle NQN450

Phase out product: please contact your electrical wholesaler for availability

Accessories
Technical characteristics
Documentations

product.page.accessories.title

Modular phase busbar 1 product.page.accessories.products-available
Terminal cover 1 product.page.accessories.products-available
AOB type A-HI 2 product.page.accessories.products-available
AOB type AC 3 product.page.accessories.products-available
AOB type AC/A-SEL 1 product.page.accessories.products-available

Technical characteristics

Rated current IN

50 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 at -15°C

60.97 A
Rated current at -10°C

59.75 A
Rated current at -5°C

58.53 A
Rated current at 0°C

57.31 A
Rated current at 5°C

56.09 A
Rated current at 10°C

54.88 A
Rated current at 15°C

53.66 A
Rated current at 20°C

52.44 A
Rated current at 25°C

51.22 A
Rated current at 30°C

50 A
Rated current at 35°C

48.4 A
Rated current at 40°C

46.8 A
Rated current at 45°C

45.2 A
Rated current at 50°C

43.6 A
Rated current at 55°C

42 A
Rated current at 60°C

40.4 A
Rated current at 65°C

38.8 A
Rated current at 70°C

37.2 A
Rated ultimate short-circuit breaking capacity Icu under 230 V AC IEC 60947-2

30 kA

Type of pole

4P
Curve

B

Number of modules

4

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

230 - 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