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Square D™ MD Enclosed Motor Disconnect Switch
Increase Safety and Maximize Space with Square D's MD Motor Disconnect Family
Schneider Electric's Square D brand has been an industry leader in safety switches for over 100 years and is recognized as the leader in product quality, durability, and reliability. The latest addition to the MD motor disconnect family is a non-receptacle switch for UL 508 listed applications.

This MD motor disconnect switch serves as a local on/off switch for a motor when the motor branch circuit protection is in a central enclosure. It is in a compact NEMA 4X enclosure and is available in 30A and 60A versions.

  • Water-Tight NEMA 4X Polycarbonate Enclosure
  • Standard 3-Pole Design
  • Available in 30A and 60A Sizes
  • Front Padlockable Handle Complies With OSHA Lockout/Tagout Requirements
  • CULus Certified - UL File E164864
Stock No. Mfr.'s Part # Description Availability Price(USD)
70277450 MD3304X 1 Pole Flange Mount Non-Fused Switch Disconnector, 30 A 114 $138.66
70277451 MD3604X 1 Pole Flange Mount Non-Fused Switch Disconnector, 60 A 11 $184.47
70277454 MDS30P Additional Power Pole; 30A; for Use with MD Series Motor Disconnect Switches 0 $38.92
70277453 MDSAN11 Auxiliary Contact; 1 NO + 1 NC; for Usewith LK 30-60 A Disconnect Switches 23 $50.83
70277452 MDSAN20 Auxiliary Contact; 2 NO; for Use with LK 30-60 A Disconnect Switches 1 $67.27