The Hager MCB 2P 25kA B-20A 2M miniature circuit breaker protects circuits from overloads and short circuits. Two-pole, 20A B-curve, 415 V AC, it delivers high breaking capacity up to 50 kA Icu (230 V) / 25 kA (400 V) and 15 kA Ics. Compact 2 modules with 360° mounting, IP20, and 20,000 mechanical ops. Screw/biconnect terminals accept 1-35 mm². Ideal for commercial and industrial panels.

EAN

3250614645624

Packaging

1 Piece

MCB 2P 25A B-curve 25kA 400V AC 2 modules NQN220

Phase out product: please contact your electrical wholesaler for availability

Accessories
Technical properties
Environmental value
Documentations

Download the data sheet

Complete your system

Modular phase busbar 1 products available
Terminal cover 1 products available
AOB type A-HI 3 products available
AOB type AC 7 products available
Protective cap/strip for phase busbar 1 products available

Technical properties

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 AC IEC 60947-2

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

25 kA

Type of pole

2P
Curve

B

Number of modules

2

Rated short-circuit breaking capacity Icn AC according to IEC 60898-1

10 kA

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

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

50 - 60 Hz

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

Ingress Protection (IP) class

IP20

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

Total power loss under IN

5.29 W

Type of connection

Screw terminal
Top connection alignment for modular devices

Aligned terminal
Down connection alignment for modular devices

Aligned terminal

Height

83 mm
Width

35 mm
Depth

70 mm

Environmental value

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