Specifications

16
ArcShield
CENTERLINE 2100 Motor Control Center with ArcShield is an enhanced version of the industry-leading CENTERLINE 2100
MCC and is the first and only NEMA low voltage MCC to offer an arc resistant design. CENTERLINE 2100 MCC with
ArcShield provides enhanced personnel protection and reduced exposure to arc flash hazards per IEEE C37.20.7-2007, IEEE
Guide for Testing Metal-Enclosed Switchgear Rated up to 38 kV for Internal Arcing Faults. Two arc resistant ratings are
available: Device-limited and 100 ms arc duration.
CENTERLINE 2100 MCC with ArcShield
Device-limited Rating 100 ms Arc Duration Rating
Rated Voltage Up to 600V Up to 480V
Available Fault Current Up to 65 kA Up to 65 kA
Horizontal Bus Current Rating 600…1200 A 600…3000 A
Section Depth 15 in. or 20 in. 20 in.
Horizontal Bus Closing Plate Insulation Yes Yes
Arc Latches on Vertical Wireway Door Yes Yes
Vertical Bus Isolation Automatic or Manual Shutters Required Automatic or Manual Shutters Required
Vertical Plug-in Ground Bus Copper or Copper/Tin Required Copper or Copper/Tin Required
Vertical Load Ground Bus Optional Copper or Copper/Tin Required
Horizontal Ground Bus Top, Bottom or Both Top and Bottom Required
Top-plate Pressure Relief System Not required Required
Reinforced Backplate and Sidesheet Not required Required
Vertical Angle at Each End of MCC Line-up Not required Required
Vertical Wireway Baffle Not required Required
Arc Containment Latches 2 latches per door All latches
Unit Support Pans Standard Bolted
Door Hinges Standard Reinforced
Door mounted devices allowed (control
stations, HIMs, viewing windows)
Yes Yes
Vented Units Allowed Yes, with arc resistant baffles No
Half Space Factor Units Allowed Yes No