Square D QMB2240J - Fusible Safety Switch 400A@240V (200kA AIC)
Square D QMB2240J Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB2240J - Fusible Safety Switch 400A@240V (200kA AIC)
Square D QMB2240J Panel Mount Switch (Fusible) - Essential Electric Supply

Square D QMB2240J - Fusible Safety Switch 400A@240V (200kA AIC)

Square D
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Square D QMB2240J is a panel-mounted fusible safety switch designed for industrial circuit protection in 240V applications. This single-configuration switch features a 400A current rating and 200kA interrupting capacity at 240V, housed in a NEMA 1-rated enclosure weighing 65 lb. Constructed with Class J fuses and compatible with ED frames, it meets rigorous safety standards for single-phase power distribution. The 2-pole design provides reliable overcurrent protection for heavy-duty equipment in manufacturing plants, data centers, and utility installations.

Key Features & Specifications
  • Type: QMB Saflex fusible safety switch
  • Voltage Rating: 240V AC
  • Current Rating: 400A
  • Configuration: Single
  • Poles: 2
  • AIC Rating: 200kA@240V
  • Fuse Class: J
  • NEMA Rating: 1
  • Phase: 1
  • Compatible Frames: ED
  • Weight: 65 lb
  • Switch Style: Fusible
Product Identification
  • GTIN: 00785901026686