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Appleton™ MD2SR 30, 60 and 100 Amp Series Interlocked Receptacles

MD2SR Factory Sealed Interlocked Switched Receptacles are designed to provide short circuit protection in 30, 60 and 100 Amp versions. The internal, factory sealed switch provides safe and reliable power for hazardous, damp and corrosive environments. They are typically used for applications that require portable or fixed heavy duty equipment. A special polarization option prevents the insertion of a plug into a receptacle or connector that is wired for a different voltage.

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MD2SR1034F
Appleton™ PN MD2SR1034F
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MD2SR1034U
Appleton™ PN MD2SR1034U
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MD2SR3023F
Appleton™ PN MD2SR3023F
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MD2SR3023U
Appleton™ PN MD2SR3023U
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MD2SR3034F
Appleton™ PN MD2SR3034F
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MD2SR3034U
Appleton™ PN MD2SR3034U
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MD2SR6034F
Appleton™ PN MD2SR6034F
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MD2SR6034U
Appleton™ PN MD2SR6034U
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MD2SR6034UAUX
Appleton™ PN MD2SR6034UAUX
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Features

  • Class J fused version: short circuit withstand rated to 200,000 RMS symmetrical amperes
  • Unfused version: short circuit withstand rated to 10,000 RMS symmetrical amperes
  • Positive polarization; only plugs of the same style, number of poles, and Amperage rating may be used with these receptacles
  • Plug must be inserted into the receptacle before the switch can be turned on. Plug cannot be withdrawn unless the switch is in the off position
  • Insulated, dual-color polymer operating handle clearly indicates the switch being energized. Ergonomically designed handle is made of high-impact polymer material for exceptional ruggedness, durability and corrosion resistance
  • Unit is equipped with defeatable door interlock which allows emergency access when switch is energized
  • Operating handle can be locked in the OFF position with provision to lock in the ON position. Cover can be padlocked closed
  • Style 2 (shell and extra pole) grounding
  • Removable hinged cover and key-hole mounting feet allows for easy installation and maintenance
  • Conduit entry is drilled and tapped to 1-1/2#8221;. Reducer bushings 1-1/2#8221; to 1-1/4#8221; and 1-1/2#8221; to 1#8221; provided at no additional cost
  • Accommodates #8 – #4/0 AWG copper wire
  • UL Listed for use with Appleton Powertite™ ACP plugs

Specifications

Hazardous Area Classification
Class I, Division 2, Groups B, C, D; Class II, Division 1 and 2, Groups F, G; Class III; Class I, Zone 2, Group IIC T3; NEMA 3, 3R, 4, 4X, 9FG, 12
Amperage
30, 60 or 100
Voltage
240 Vac or 600 Vac
Number of Poles
3 or 4
Number of Wires
2 or 3
Horsepower Ratings
3, 7.5, 10, 20, 30 or 50
Plug Cable Diameter
30 Amp: 0.500 to 1.125#8221;, 60 Amp: 0.500 to 1.375#8221;, 100 Amp: 0.875 to 1.906#8221;
Mounting Box Entries
Dead-End
Materials and Finishes
Enclosure is copperfree (4/10 of 1% max.) aluminum with epoxy powder coat. High impact polymer operating handle. Stainless steel hardware and mounting feet.

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