EBMC Series Explosionproof Combination Motor Starters


EBMC hinged cover motor control enclosures are used:

  • In damp, wet, dirty, dusty hazardous locations
  • For across-the-line starting, stopping, speed changing and reversing of polyphase AC induction motors
  • To provide line disconnect means and short circuit protection
  • To provide motor overload and undervoltage protection







Frame Sizes Circuit breakers - 100, 150, 250, 400, 600, 800A; Motor circuit protectors - 150, 250, 400A
Body and Cover Material Copper-free aluminum
Operating Handle Material Copper-free aluminum
Operating Shaft and Bushing Material Stainless steel
Cover Bolt, Hinge, Washer and Retractile Spring Material Stainless steel
Interior Parts Material Sheet steel, electrogalvanized
Legend Plates Single function; two function; three function
Available Options Control circuit transformers; pilot lights; LED pilot lights; pushbuttons; selector switches; space heaters; breather/drains; epoxy finish; auxiliary contacts


  • Rugged, corrosion resistant, cast copper-free aluminum construction (less than 0.4 of 1%)
  • Component operating handles located through the right side wall of the body permits visual confirmation of correct component assembly and operation
  • Total compliance to the wiring end room requirements of the National Electrical Code® / Canadian Electrical Code
  • Semi-clamshell enclosure design, with an external flanged ground joint between body and cover makes interior components more accessible
  • Minimum enclosure-to-enclosure spacing with little interference between the opened cover and an adjacent enclosure
  • Stainless steel hinges allow the cover to swing well out of the way
  • Stainless steel, quick release, captive, hex head cover bolts; stainless steel springs provide clear indication cover bolts are fully retracted from body
  • Versatile, internal operating mechanisms allow for field adjustment to accommodate popular manufacturers' starters and breakers
  • Simple, straightforward installation of breaker and starter on pre-drilled mounting plate within enclosure; mounting plate also field removable
  • Circuit breaker motor circuit protector external operating handle can be padlocked in either "ON" or "OFF" positions
  • Neoprene cover gasket permanently attached to the cover seals out moisture
  • Bodies have top and bottom drilled and tapped entrances for power conduits plus one at the bottom for control conduit; removable reducers are supplied, as standard, to accommodate smaller size conduits; all conduit entrances are plugged
  • Tap-on mounting feet
  • Optional EMPS control devices may be added to enclosure cover
  • Steel bracket for lifting larger enclosures during installation supplied as standard