SB425RG 400A, 240V, 3-Phase, 4-Wire Fusible Bus Plug

Meet the SB425RG Fusible Bus Plug from GE—the rugged, high-capacity feed for 3-phase power distribution. Engineered for the Spectra Series, this 400A, 240V, 3-Phase, 4-Wire device provides robust overcurrent protection with a plug-in form that simplifies installation and maintenance in demanding industrial environments.

Why this fusible bus plug stands out

• 400A current rating at a standard 240V supply, designed to handle heavy feeders without compromise.
• 3-Phase, 4-Wire configuration to support balanced power distribution and proper neutral return in multi-wire systems.
• Fusible protection integrated into the bus plug, delivering fast fault clearing and protecting downstream equipment and wiring.
• GE Spectra Series compatibility ensures seamless integration with compatible panels and bus assemblies for reliable operation.
• Industrial-grade reliability built for demanding environments where uptime matters.

Ideal applications

The SB425RG is well-suited for data centers, manufacturing floors, and large facilities that rely on stable, protected power feeding to feeders, motors, and critical electrical loads. It’s particularly beneficial where you need quick, replaceable protection at the point of distribution without sacrificing panel space or serviceability.

How it adds value

• Pre-wired, plug-in protection accelerates maintenance and reduces commissioning time.
• Fusible design allows targeted protection and straightforward fuse replacement when needed, helping limit downtime.
• Compact footprint within GE Spectra Series configurations helps maximize panel density.

Specifications at a glance

• Amp rating: 400A
• Voltage rating: 240V
• Phase: 3-Phase
• System: 4-Wire
• Type: Fusible Bus Plug
• Manufacturer: GE
• Series: Spectra Series

For compatible installations, verify that your GE Spectra Series panels or bus assemblies are designed to accept the SB425RG fusible bus plug. With its 400A, 240V, 3‑phase, 4‑wire specification, it’s a precise fit for heavy-distribution feeds that demand reliable protection and serviceability without compromise.