SB424RG 200A, 240V, 3-Phase, 4-Wire Fusible Bus Plug

GE's SB424RG Fusible Bus Plug delivers robust protection for three-phase, four-wire power distribution within the GE Spectra Series. With a 200A rating at 240V, this fusible bus plug provides fast, reliable fault interruption right at the source, helping minimize damage to downstream equipment and keep critical processes running smoothly.

Specs at a glance

• Amp Rating: 200A
• Voltage Rating: 240V
• Phase: 3-Phase
• System: 4-Wire
• Type: Fusible Bus Plug
• Manufacturer: GE
• Series: Spectra Series
• Model: SB424RG

Why this fusible bus plug matters

In industrial power distribution, fast fault isolation is crucial. The SB424RG plugs into GE Spectra Series bus systems to deliver dedicated protection for feeders up to 200A at 240V. The 3‑phase, 4‑wire configuration preserves neutral integrity and balanced loads, ensuring reliable operation for motors, conveyors, pumps, and other three-phase equipment.

Ideal use cases

• New installations in GE Spectra Series panels requiring integrated fusible protection for three‑phase feeders
• Panel upgrades or retrofits where a compact, plug‑in protection module is advantageous
• Industrial facilities powering motors, pumps, and other 3‑phase equipment with demanding reliability needs
• Critical infrastructure environments such as data centers and manufacturing floors needing rapid fault clearance

Benefits and practical advantages

• 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
• GE Spectra Series reliability, engineered for demanding industrial environments

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, and 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

Enhance your power distribution reliability with the SB424RG Fusible Bus Plug—a precise, GE Spectra Series solution for 200A, 240V, 3‑phase, 4‑wire protection.