MCB 3P 10kA/15kA B-20A 3M

Description

MCB 3P 10kA/15kA B-20A 3M

Product Reference: NBN320A

EAN-Nr.: 3250614618352

Packaging: 4 Pieces

Technical characteristics

Elec­tric current

Rated current: 20 A

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

Rated ulti­mate short-­cir­cuit breaking capa­city Icu under 230 V AC IEC 60947-2: 30 kA

Rated current -25°C: 24.78 A

Rated current at -20°C: 24.38 A

Rated current -15°C: 23.98 A

Rated current -10°C: 23.57 A

Rated current -5°C: 23.16 A

Rated current at 0°C: 22.73 A

Rated current 5°C: 22.30 A

Rated current 10°C: 21.86 A

Rated current 15°C: 21.41 A

Rated current at 20°C: 20.95 A

Rated current 25°C: 20.48 A

Rated current 30°C: 20 A

Rated current 35°C: 19.48 A

Rated current at 40°C: 18.94 A

Rated current at 45°C: 18.39 A

Rated current at 50°C: 17.81 A

Rated current 55°C: 17.22 A

Rated current 60°C: 16.61 A

Rated current 65°C: 15.98 A

Rated current 70°C: 15.32 A

Archi­tec­ture

Type of pole: 3P

Curve: B

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: 400 – 400 V

Type voltage supply: AC

Rated insu­la­tion voltage Ui: 500 V

Rated impulse with­stand voltage Uimp: 6,000 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: 8.04 W

Endur­ance

Elec­tric endur­ance in number of cycles: 4,000

Number of mech­an­ical oper­a­tions: 20,000

Connectivity

Type of connec­tion: Screw terminal

Top connec­tion align­ment for modular devices: Aligned terminal

Down connec­tion align­ment for modular devices: Aligned terminal

Dimen­sions

Height: 8.3 cm

Width: 5.25 cm

Depth: 7.0 cm