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Sales Service Centre • 01952 675612   Technical Support Helpline • 01952 675689

4.3

Miniature Circuit Breakers

10kA & 15kA B, C & D Curve

Single Pole MCBs

Rating

Width

Cat ref.

Cat ref.

Cat ref.

(17.5mm)

“B” Curve

“C” Curve

“D” Cruve

0.5A

1 Mod

-

NCN100A

NDN100A

1A

1 Mod

-

NCN101A

NDN101A

2A

1 Mod

-

NCN102A

NDN102A

3A

1 Mod

-

NCN103A

NDN103A

4A

1 Mod

-

NCN104A

NDN104A

6A

1 Mod

NBN106A

NCN106A

NDN106A

10A

1 Mod

NBN110A

NCN110A

NDN110A

16A

1 Mod

NBN116A

NCN116A

NDN116A

20A

1 Mod

NBN120A

NCN120A

NDN120A

25A

1 Mod

NBN125A

NCN125A

NDN125A

32A

1 Mod

NBN132A

NCN132A

NDN132A

40A

1 Mod

NBN140A

NCN140A

NDN140A

50A

1 Mod

NBN150A

NCN150A

NDN150A

63A

1 Mod

NBN163A

NCN163A

NDN163A

Double Pole MCBs

Rating

Width

Cat ref.

Cat ref.

Cat ref.

(35mm)

“B” Curve

“C” Curve

“D” Cruve

0.5A

2 Mod

-

NCN200A

NDN200A

1A

2 Mod

-

NCN201A

NDN201A

2A

2 Mod

-

NCN202A

NDN202A

3A

2 Mod

-

NCN203A

-

4A

2 Mod

-

NCN204A

NDN204A

6A

2 Mod

NBN206A

NCN206A

NDN206A

10A

2 Mod

NBN210A

NCN210A

NDN210A

16A

2 Mod

NBN216A

NCN216A

NDN216A

20A

2 Mod

NBN220A

NCN220A

NDN220A

25A

2 Mod

NBN225A

NCN225A

NDN225A

32A

2 Mod

NBN232A

NCN232A

NDN232A

40A

2 Mod

NBN240A

NCN240A

NDN240A

50A

2 Mod

NBN250A

NCN250A

NDN250A

63A

2 Mod

NBN263A

NCN263A

NDN263A

In 0.5 to 63A

Un : 230V-400V

Will accept accessories

see page 4.5

Description

These MCBs allow you to ensure

• Protection of circuits against

short circuits

• Protection of circuits against

overload current

• Control

• Isolation

Isolation

The state of isolation is clearly

indicated by the “OFF”

mechanical position on the

toggle with the green colour.

Connection capacity

• 25mm

2

flexible conductor

• 35mm

2

rigid conductor

Complies with:

• BS EN 60898 (10kA)

• BS EN 60947-2 (15kA)

NCN116A

NCN216A

Protection

Devices