SB464RG 200A, 480/600V, 3-Phase, 4-Wire Fusible Bus Plug

Introducing the SB464RG, a 200A Fusible Bus Plug from GE’s Spectra Series, engineered for demanding 480/600V, 3‑phase, 4‑wire distribution architectures. This fusible bus plug slides into compatible Spectra switchgear to deliver fast-acting protection and clean fault isolation for feeder circuits.

Key specs at a glance

• Current rating: 200 A
• Voltage rating: 480/600 V
• Configuration: 3‑phase, 4‑wire
• Type: Fusible bus plug
• Series: Spectra Series
• Manufacturer: GE

The SB464RG is more than a component—it’s a protective interface that makes high‑voltage distribution safer, simpler, and more reliable. By introducing individual fused protection per phase, it helps limit fault currents to protect downstream equipment and reduce disruption during maintenance or faults.

Why this fusible bus plug stands out

• Precise protection for 4‑wire systems: Each phase is individually fused, giving tailored protection for feeders and branch circuits in a 480/600 V industrial environment.
• Fast fault isolation: Fusible elements respond quickly to overcurrent, helping minimize damage and downtime.
• Grade‑matched for Spectra Series: Seamless compatibility with GE Spectra switchgear ensures reliable mechanical fit and electrical performance.
• Easy integration in 3‑phase distribution: Designed for plug‑in simplicity in bus assemblies, simplifying upgrades and routine servicing.

Who should consider the SB464RG? Any facility operating high‑voltage, 3‑phase, 4‑wire distribution networks that rely on fast, reliable fuse protection. It’s especially suitable for industrial plants, manufacturing lines, and distributed power feeders where minimizing downtime is critical and protection coordination matters.

Practical tips for planning and use:

• Verify that your panel or switchgear is compatible with the SB464RG and Spectra Series bus components before installation.
• Match fuse ratings to the protected load and coordination requirements to ensure selective protection and minimal nuisance blows.
• Always follow safety protocols and rely on qualified electrical personnel for installation and maintenance of high‑voltage equipment.