Description
Moulded Case Circuit Breaker h400 3P 50kA 400A TM HND400U
EAN-Nr.: 3250613349448
Packaging: 1 piece
Technical characteristics
Electric current
Rated current: 400 A
Rated ultimate short-circuit breaking capacity Icu under 400 V AC IEC 60947-2: 50 kA
Rated ultimate short-circuit breaking capacity Icu under 240 V AC IEC 60947-2: 85 kA
Architecture
Number of poles: 3
Frequency
Frequency: 50 – 60 Hz
Voltage
Rated impulse withstand voltage Uimp: 8,000 V
Rated insulation voltage Ui: 800 V
Functions
Trip unit: TM A/A
Main electrical attributes
Magnetic protection trip time: 0 – 0 ms
Power
Total power loss under IN: 75 W
Endurance
Electric endurance in number of cycles: 1,000
Number of mechanical operations: 4,000
Safety
Ingress Protection (IP) class: IP4X
Use conditions
Operating temperature: -25 – 70 °C
Connection
Cross-section flexible conductor: 35 – 240 mm²
Cross-section rigid conductor: 35 – 240 mm²
Connector/plug type: Terminal
Installation, mounting
Nominal tightening torque: 22 – 22 Nm
Mounting-/Connection Position: Front
Settings
Thermal protection knob setting xIN: 0.63, 0.8, 1
Adjustment range short-term delayed short-circuit release: 0 – 0 A
