Description
MCB 1P+N 6kA C-40A 1M • MLN740A
EAN-Nr.: 3250614321030
Packaging: 12 Pieces
Technical characteristics
Architecture
Type of pole: 1P+N
Curve: C
Electric current
Rated current: 40 A
Rated service breaking capacity Ics AC according to IEC 60898-1: 6 kA
Rated short-circuit breaking capacity Icn under 230 V AC according to IEC 60898-1: 6 kA
Min./max. threshold value of the AC thermal operation: 1.13 – 1.45 A
Min./max. threshold value of the DC thermal operation: 1.13 – 1.45 A
Correction factor of rating current for 2 devices placed side by side: 1
Correction factor of rating current for 3 devices placed side by side: 0.95
Correction factor of rating current for 4 and 5 devices placed side by side: 0.90
Correction factor of rating current for 6 devices placed side by side: 0.85
Main electrical attributes
Rated short-circuit breaking capacity Icn AC according to IEC 60898-1: 6 kA
Installation, mounting
Nominal tightening torque down terminal: 1.90 – 1.90 Nm
Nominal tightening torque top terminal: 1.90 – 1.90 Nm
Type of top connection for modular devices: Screw terminal
Type of bottom connection for modular devices: Screw terminal
Nominal tightening torque: 1.90 – 1.90 Nm
Voltage
Rated operational voltage Ue: 230 – 240 V
Type voltage supply: AC
Rated insulation voltage Ui: 500 V
Rated impulse withstand voltage Uimp: 4,000 V
Max. operating voltage: 253 V
Overvoltage category according to IEC 60947-1: 3
Frequency
Frequency: 50 – 60 Hz
Capacity
Number of modules: 1
Power
Total power loss under IN: 7.10 W
Use conditions
Operating temperature: -25 – 70 °C
Max. Altitude: 2,000 m
Endurance
Electric endurance in number of cycles: 1,000
Number of mechanical operations: 20,000
Safety
Ingress Protection (IP) class: IP20
Connectivity
Type of connection: Screw terminal
Top connection alignment for modular devices: Shifted terminal
Down connection alignment for modular devices: Shifted terminal
Connection
Cross-section of input with screws, for massive conductors: 1 – 25 mm²
Cross-section of input with screws, for flexible conductors: 1 – 16 mm²
Dimensions
Height: 8.47 cm
Width: 1.75 cm
Depth: 7.0 cm














