Hager RCBO Electronic 3M 3P+N 10kA D-20A 30mA Type A combines MCB and RCD protection for 400-415 V three-phase circuits, guarding against overloads, short circuits and earth leakage. With 10 kA breaking capacity and a D-curve for high inrush loads, it suits motors and commercial panels. Compact 3 modules, DIN-rail mount, IP20, 50-60 Hz, Ui 500 V, Uimp 4 kV. Screw/biconnect terminals accept 1-25 mm² conductors.

EAN

3250610015858

Packaging

1 Piece

Residual Current Circuit Breakers with Overcurrent Protection - (RCBOs)

RCBO 3P+N 20A 10kA Curve D 30mA Type A Electronic 3 Modules ALX421T

Technical properties
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Technical properties

Type of pole

3P+N
Curve

D

Residual current type

A
Ingress Protection (IP) class

IP20

Rated insulation voltage Ui

500 V
Rated impulse withstand voltage Uimp

4 kV
Rated operational voltage Ue

400 - 415 V
Overvoltage category according to IEC 60947-1

3
Type voltage supply

AC
Dielectric strength value of power frequency

2 kV

Rated current

20 A
Rated residual operating current Idn

30 mA
Rated current -5°C

22,98 A
Rated current at 0°C

22,49 A
Rated current 5°C

22,09 A
Rated current 10°C

21,68 A
Rated current 15°C

21,26 A
Rated current at 20°C

20,86 A
Rated current 25°C

20,43 A
Rated current 30°C

20 A
Rated current 35°C

19,58 A
Rated current at 40°C

19,11 A
Rated current at 45°C

18,64 A
Rated current at 50°C

18,17 A
Rated current 55°C

17,70 A
Rated current 60°C

17,23 A
Min./max. threshold value of the AC thermal operation

1,13-1,45 A

Total power loss under IN

11,02 W

Frequency

50 - 60 Hz

Nominal tightening torque down terminal

2,5 - 2,5 Nm
Nominal tightening torque top terminal

2,5 - 2,5 Nm
Nominal tightening torque

2,5 - 2,5 Nm
Type of top connection for modular devices

Screw terminal
Type of bottom connection for modular devices

biconnect

Max. altitude

2000 m
Class of energy limitation I²t

3
Operating temperature

-5 - 70 °C
Storage/transport temperature

-25 - 70 °C
Degree of pollution according to IEC 60664 / IEC 60947-2

2

Cross-section of input with screws, for flexible conductors

1-16 mm²
Cross-section of input with screws, for massive conductors

1-25 mm²
Cross-section of input and output with screws, for flexible conductors

1-16 mm²
Cross-section of input and output with screws, for massive conductors

1-25 mm²