MCB 3P 25kA C-20A 3M

الوصف

MCB 3P 25kA C-20A 3M – NRN320

EAN: 3250614645174

Technical properties

Elec­tric current

Rated current: 20 A

Rated service breaking capa­city Ics under 230 V AC according to IEC 60947-2: 15 kA

Rated short-­cir­cuit breaking capa­city Icn under 230 V AC according to IEC 60898-1: 10 kA

Rated ulti­mate short-­cir­cuit breaking capa­city Icu under 400 V AC IEC 60947-2: 25 kA

Rated ulti­mate short-­cir­cuit breaking capa­city Icu under 230 V AC IEC 60947-2: 50 kA

Archi­tec­ture

Type of pole: 3P

Curve: C

Capa­city

Number of modules: 3

Main elec­trical attrib­utes

Rated short-­cir­cuit breaking capa­city Icn AC according to IEC 60898-1: 10 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: 415 – 415 V

Type voltage supply: AC

Rated insu­la­tion voltage Ui: 500 V

Rated impulse with­stand voltage Uimp: 6000 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

Air humidity protec­tion: For all climates

Oper­ating temper­ature: -25 – 70 °C

Power

Total power loss under IN: 8.04 W

Endur­ance

Elec­tric endur­ance in number of cycles: 4000

Number of mech­an­ical oper­a­tions: 20000

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: 52.50 mm

Depth: 70 mm