Moulded Case Circuit Breaker X250 3P 40kA 250A TM

Description

Moulded Case Circuit Breaker X250 3P 40kA 250A TM – HNB250U

EAN: 3250613347673

Packaging: 1 Piece

Technical properties

Elec­tric current

Rated current: 250 A

Rated ulti­mate short-­cir­cuit breaking capa­city Icu under 400 V AC IEC 60947-2: 40 kA

Rated ulti­mate short-­cir­cuit breaking capa­city Icu under 240 V AC IEC 60947-2: 85 kA

Rated ulti­mate short-­cir­cuit breaking capa­city Icu under 690 V AC IEC 60947-2: 4 kA

Rated current 10°C according to IEC 60947: 298,20 A

Rated current 15°C according to IEC 60947: 292,70 A

Rated current 20°C according to IEC 60947: 287,20 A

Rated current 25°C according to IEC 60947: 281,20 A

Rated current 30°C according to IEC 60947: 275,20 A

Rated current at 35°C according to IEC 60947: 269,20 A

Rated current at 40°C according to IEC 60947: 263 A

Rated current 45°C according to IEC 60947: 256,50 A

Rated current 50°C according to IEC 60947: 250 A

Rated current 55°C according to IEC 60947: 243,20 A

Rated current at 60°C according to IEC 60947: 236,20 A

Rated current 65°C according to IEC 60947: 229,20 A

Rated current 70°C according to IEC 60947: 222,20 A

Archi­tec­ture

Number of poles: 3

Control/­op­er­a­tion element: Toggle

Device construc­tion type: Fixed built-in

Trip­ping

Response time when opening: 10 ms

Frequency

Frequency: 50 – 60 Hz

Voltage

Rated impulse with­stand voltage Uimp: 8000 V

Rated insu­la­tion voltage Ui: 800 V

Rated oper­a­tional voltage Ue: 220 – 415 V

Func­tions

Trip unit: TM A/A

Power

Total power loss under IN: 48 W

Endur­ance

Elec­tric endur­ance in number of cycles: 1000

Number of mech­an­ical oper­a­tions: 4000

Safety

Ingress Protec­tion (IP) class: IP4X

Connec­tion

Cross-sec­tion flex­ible conductor: 35 – 150 mm²

Cross-sec­tion rigid conductor: 35 – 185 mm²

Settings

Thermal protec­tion knob setting xIN: 0.63, 0.8, 1

Adjust­ment range short-term delayed short-­cir­cuit release: 0 – 0 A

Compat­ib­ility

Suit­able for DIN Rail: No

Install­a­tion, mounting

Mount­ing-/­Con­nec­tion Posi­tion: Front

Nominal tight­ening torque: 12 – 12 Nm

Main elec­trical attrib­utes

Magnetic protec­tion trip time: 0 – 0 ms