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General Electric SB421NIP - Fusible 30A 240V (3-Phase Bus Plug)

General Electric
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⚡ Product Branding Information

Some General Electric products may now ship with ABB branding due to ABB’s acquisition of GE Industrial Solutions.

Depending on the manufacturing date or production batch, the item or packaging may display either GE or ABB branding.

Unless otherwise noted, these products are considered equivalent in form, fit, function, and specifications.

Please contact our team before placing your order if brand labeling or packaging is critical for your application.

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General Electric SB421NIP is a 30 Amp, 240 Volt, 3-pole fusible bus plug from the Spectra Series, designed to provide overcurrent protection and a switching disconnect for busway distribution systems. It operates on a 3-phase, 4-wire with ground configuration and accepts both Class H and Class R fuses, offering a high interrupting rating of 200kA at 240V AC for robust fault current handling. The unit features a NEMA 1 enclosure for indoor use, weighs 35 lb, and is constructed with a switch-operated mechanism for reliable manual control. This bus plug is UL listed, ensuring compliance with industry safety standards for electrical distribution equipment. It is typically applied in industrial settings to tap power from a busway run for machinery, lighting, or other branch circuits requiring a fused disconnect.

Key Features & Specifications
  • Type: Fusible
  • Family: Spectra
  • Type: SB
  • Weight: 35 lb
  • Fuse Class: H, R
  • Wire: 4
  • Voltage Rating: 240V
  • AIC rating: 200kA@240V
  • Phase: 3
  • Current Rating: 30A
  • Number of Poles: 3
  • Phase/Wire: 3 Phase, 4 Wire with Ground
  • Interrupt Rating: 200,000 Amperes at 240V AC
  • Enclosure Rating: NEMA 1
  • UL Listed