Molded case circuit breakers provide protection for lines and equipment when overloads, short circuits, and undervoltages occur on lines and equipment in distribution lines. They can also provide overload, short circuit, and under voltage protection for infrequent start of motors.
Shelf rank
NXM series molded case circuit breakers: 63A, 125A, 160A, 250A, 400A, 630A, 800A,
1000A, 1250A, 1600A
Rated operating voltage Ue(AC): 230V/240V, 400V/415V, 500V, 690V (63A,
125A shell frame without 690V, 1250A/1600A shell frame without 500V)
Breaking capacity code: S, H
Number of poles: 2P, 3P, 4P (2P is only available for 250A and below)
Release type: electromagnetic, thermomagnetic, thermal adjustable magnetic fixed
Installation method: fixed, plug-in