MCCB
Low Voltage Brief Catalogue 048 Low Voltage Brief Catalogue P - P-028
MCCB
NM1 Fixed type MCCB
� Rated current from 10 to 1250A � Employing a fixed thermal and fixed magnetic trip. � Frames made of rigid materials of engineering plastics � Complete range of one, two, three and four-pole version � 4-class breaking capacity from 10kA to 70kA � Vertical/horizontal installation � Circuit breakers and auxiliaries comply with the following international standard:
NM1
IEC/EN 60947-1: general rules IEC/EN 60947-2: circuit breakers automatic control components.
� Certified for operation in pollution-degree � environments as defined by IEC standard 60947 (industrial environments). � Temperature range from -5 � to +40 � � A complete system of add-on modules for Nm1
10
10
1
2
3
4
5
9
11
6
7
8
Extended manual operation handle
Alarm contact
10 Short terminal cover
MCCB (fixed type)
1
4
7
Under-voltage release
Auxiliary contact
8
Mechanical interlock
2
5
Front connection plate
11
Motor-driven operation mechanism
Shunt release
3
6
Cage clamp terminal
9
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