Description
MCB 4P 6kA C-50A 4M • MU450A
EAN: 3250614518195
Technical characteristics
Electric current
Rated current: 50 A
Rated service breaking capacity Ics under 230 V AC according to IEC 60947-2: 6 kA
Rated short-circuit breaking capacity Icn under 230 V AC according to IEC 60898-1: 6 kA
Rated ultimate short-circuit breaking capacity Icu under 400 V AC IEC 60947-2: 6 kA
Rated current -15°C: 60.9 A
Rated current -10°C: 59.8 A
Rated current -5°C: 58.6 A
Rated current at 0°C: 57.5 A
Rated current 5°C: 56.3 A
Rated current 10°C: 55.1 A
Rated current 15°C: 53.9 A
Rated current at 20°C: 52.6 A
Rated current 25°C: 51.3 A
Rated current 30°C: 50 A
Rated current 35°C: 48.5 A
Rated current at 40°C: 46.9 A
Rated current at 45°C: 45.3 A
Rated current at 50°C: 43.6 A
Rated current 55°C: 41.9 A
Rated current 60°C: 40 A
Rated current 65°C: 38.1 A
Rated current 70°C: 36.1 A
Architecture
Type of pole: 4P
Curve: C
Capacity
Number of modules: 4
Main electrical attributes
Rated short-circuit breaking capacity Icn AC according to IEC 60898-1: 6 kA
Installation, mounting
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
Voltage
Rated operational voltage Ue: 400-400 V
Type voltage supply: AC
Rated insulation voltage Ui: 500 V
Rated impulse withstand voltage Uimp: 4,000 V
Frequency
Frequency: 50 – 60 Hz
Connection
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
Safety
Ingress Protection (IP) class: IP20
Use conditions
Degree of pollution according to IEC 60664 / IEC 60947-2: 2
Class of energy limitation I²t: 3
Operating temperature: -25 – 70 °C
Power
Total power loss under IN: 20.3 W
Connectivity
Type of connection: Screw terminal
Top connection alignment for modular devices: Aligned terminal
Down connection alignment for modular devices: Aligned terminal
Dimensions
Height: 83 mm
Width: 70 mm
Depth: 70 mm
