Appleton™ ATX™ DM Series Motor Starters

Appleton™ flameproof ATX™ DM Series motor starters are available in either Ex d IIB or Ex d IIC enclosures for safe starting and stopping of full voltage AC motors in hazardous areas. These units provide disconnecting means and thermal overload protection. The DM Series are available as an enclosure only or with pre-installed and wired contactor and thermal overload relay.

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DMB007D4V7
Appleton™ PN DMB007D4V7
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DMB040D4Q7
Appleton™ PN DMB040D4Q7
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DMB055D4P
Appleton™ PN DMB055D4P
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DMB110D4P7
Appleton™ PN DMB110D4P7
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DMC007D4Q7
Appleton™ PN DMC007D4Q7
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DMC022D4Q7
Appleton™ PN DMC022D4Q7
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Features

  • Flameproof
  • Three pole contactor
  • Thermal overload relay with stop/reset push button
  • Start push button
  • Rated voltage 400/415 Vac, 50/60 Hz AC-3 category
  • Yellow laminated plastic legend plate with black lettering
  • Internal earth terminal: 2 x 4 mm² (0.003 x 0.006 in²)
  • External ground terminal: M5 for Ex d IIB version
  • Earth crossing terminal: M8 for Ex d IIC version
  • 1 x M20 entry on top. 2 x M20 entries at bottom with one blanking plug

Specifications

ATEX and IECEx Certification and Compliances
Zone 1 and 2 - 21 and 22; Ex II 2 G; IP66; IK10
Standard Materials and Finishes
Gray painted marine grade aluminum alloy (RAL7038) housing with stainless steel cover bolts
Ex d IIB Temperature Class
T4 [ta +40 °C (-40 °F)] or T3 [ta +55 °C (+131 °F)]
Ex d IIB Surface Temperature
T195 °C (T383 °F)
Ex d IIB Ambient Temperature
-20 °C to +55 °C ( -4 °F to +131 °F)
Ex d IIC Temperature Class
T4 (ta +40 °C) or T3 (ta +55 °C)
Ex d IIC Surface Temperature
T195 °C (T383 °F)
Ex d IIC Ambient Temperature
-20 °C to +55 °C ( -4 °F to +131 °F)

Documents & Drawings