Optimized performance up to 6300 A DMX3 air circuit breakers are available in three frame sizes for three breaking capacities: 50 kA for the DMX3 N designation, 65 kA for DMX3 H and 100 kA for DMX3 L. The range covers 11 rated currents, between 630 A and 6300 A. The entire range of DMX3 air circuit breakers are available in fixed and draw-out version.
Draw-out DMX3
Key locking in “Open” position
Open control button MP4 LSIg tripping unit Reset button Indicator showing the position of the main contacts O / I
Device position indicator : - Plugged in - TEST - Drawn-out
6 I GLOBAL SPECIALIST IN ELECTRICAL AND DIGITAL BUILDING INFRASTRUCTURES
Isolator terminal blocks for auxiliary contacts Windows for displaying auxiliary equipment Close control button Colour marking for breaking capacity: -Grey for DMX3 N -Yellow for DMX3 H -Red for DMX3 L Indicator showing the load status of springs: Charged / Discharged Spring loading lever Key locking in drawn-out position
Lockable aperture for insertion of the extraction handle