Square D QMB3660J - Fusible Safety Switch 600A (200kA AIC @480V)
Square D QMB3660J Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB3660J - Fusible Safety Switch 600A (200kA AIC @480V)
Square D QMB3660J Panel Mount Switch (Fusible) - Essential Electric Supply

Square D QMB3660J - Fusible Safety Switch 600A (200kA AIC @480V)

Square D
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Square D QMB3660J is a panel-mounted fusible safety switch designed for high-current industrial power distribution protection. This 600VAC-rated switch features a 600A current capacity with a 200kA interrupting rating at 480V, housed in a NEMA 1 enclosure weighing 38 lb. Its 3-pole single-configuration design with Class J fuses meets rigorous industrial safety standards for circuit isolation. The QMB Saflex series switch is engineered for heavy-duty applications including motor control centers, switchgear, and industrial power distribution panels where reliable circuit protection is critical.

Key Features & Specifications
  • Type: Fusible safety switch, panel mount, 3-pole single configuration
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Dimensions: Compatible with ED frames
  • Standards: NEMA 1 enclosure rating
  • Applications: Industrial power distribution, motor control centers
  • Switch Type: Fusible
  • Configuration: Single
  • Poles: 3
  • AIC rating: 200kA@480V
  • Phase: 3
  • Fuse Class: J
  • Weight: 38 lb