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GE SB424RG

Product Name: General Electric SB424RG 200A 240V 3-Pole 4-Wire Fusible Bus Plug
Product Overview: The SB424RG is a 200 amp, 240 volt, 3-pole, 4-wire fusible bus plug from General Electric’s Spectra SB series, designed for industrial and commercial power distribution. This bus plug features a fusible style with overcurrent protection ranging from 110 to 200 amps, compatible with GE Spectra SB duct busway systems. It delivers fast, reliable fault interruption right at the source, helping minimize damage to downstream equipment.

Detailed content

Technical Specifications:
  • Manufacturer: General Electric
  • Series: Spectra SB
  • Type: Fusible Bus Plug
  • Amperage: 200 A
  • Voltage: 240 V AC
  • Poles: 3
  • Wires: 4 (including ground)
  • Phase: 3-Phase System
  • Enclosure Rating: NEMA 1
  • Fuse Class: H, R
  • Interrupt Rating: 200,000 amperes (200 kA) @ 240 V
  • Overcurrent Protection Range: 110 to 200 amps
  • Certification: UL Listed
  • Country of Origin: United States
  • Dimensions: 16 in x 18-3/4 in
  • Weight: 48 lbs
  • UPC: 783175004867
Key Features:
  • Fast-acting fusible protection directly at the bus to limit fault energy and safeguard downstream circuits
  • Compact, plug-in design that simplifies installation within compatible Spectra Series panels
  • Maintains proper 3-phase, 4-wire configuration for neutral and load balance integrity
  • Switch-operated fusible plug application with grounding conductor
  • Includes a NEMA 1 enclosure rating and supports Class H and R fuses
Application Scenarios: Industrial power distribution within GE Spectra Series busway systems. Ideal for new installations in GE Spectra Series panels, panel upgrades or retrofits, and industrial facilities powering motors, pumps, conveyors, and other three-phase equipment. Also suitable for critical infrastructure environments such as data centers and manufacturing floors needing rapid fault clearance.
Installation and Safety Considerations:
  • Designed for use with compatible GE Spectra Series assemblies
  • Adhere to local electrical codes and GE installation guidelines
  • Use the correct fuse type and rating in coordination with the overall protection scheme
  • Follow standard lockout/tagout procedures during installation and maintenance
Maintenance Tips:
  • Regularly inspect for signs of overheating, corrosion, or loose connections on the bus plug and surrounding hardware
  • Replace fuses only with the same rating and type specified for the SB424RG to preserve protection characteristics
  • Keep the area dry and clean to prevent moisture and dust ingress
  • Document changes and coordinate with your protection coordination plan to maintain selective protection

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