Molded Case Circuit Breakers

MCCB w logo IITC now offers Molded Case Circuit Breakers manufactured by NOARK, in six frame sizes:

100, 225, 400, 600, 800 and 1,200 A. For each frame size, there is a choice of interrupting capacities at voltages ranging from 240VAC to 690VAC, and from 250VDC to 600VDC.

The “M” series of MCCBs conforms to the most important standards, including UL489/CSA C22.2 No. 5.1, as well as IEC 60947-2 for main and branch circuit protection. These devices are CE-marked and are RoHS compliant.


Size M1 (15-100A) offers adjustable thermal and fixed magnetic trip unit; sizes M2 (100-225A), M3 (225-400A), M4 (400-600A), M5 (600-800A) offer adjustable thermal and magnetic trip units, and size M6 (800-1200A) an electronic trip unit.

A variety of field-installable accessories include auxiliary contacts, interlocks, shunts and under-voltage trips. Mounting is either “plug-in-base” or “draw-out-base” type; connection either by “lug line/load” or by bus bar.

In line with the offering of the “M” series MCCBs, a line of Molded Case Switches having the same dimensions, ratings and accessories but operating as simple disconnectors instead than Breakers is also available.

To download the flyer describing the new Molded Case Circuit Breakers and switches, click here.

For quotes, samples or further information contact ITC.