General Electric | SB424 | Fusible Bus Plug | 200A | 240V

The General Electric SB424 Fusible Bus Plug is a purpose-built protection device designed for reliable integration into electrical switchgear and panel systems. With a 200A rating at 240V, this bus plug delivers precise, plug-in protection for feeders and circuits, making maintenance, retrofit, and replacement work safer and faster.

Designed for maintenance, retrofit, and replacement scenarios where exact specifications matter, the SB424 slot-in fuse solution simplifies upgrades and service work without compromising protection. Its 200A/240V rating ensures you’re aligning with standard industrial and commercial power distribution requirements while maintaining compatibility with GE switchgear and busbar configurations.

Key specifications

• Amperage: 200A
• Voltage: 240V
• Type: Fusible Bus Plug
• Manufacturer: General Electric
• Part number: SB424

What makes the SB424 unique

• Direct, plug-in protection that minimizes downtime during service windows and reduces the complexity of retrofits.
• GE heritage and compatibility: designed to align with GE panelboards and busbar systems, helping you maintain consistent protection profiles across your facility.
• Clear compatibility path: the part number SB424 is the best reference for ensuring fit and ratings match your equipment, helping you avoid mismatched components.

Ideal use cases

• Routine maintenance where a fusible bus plug is required to protect a feeder or circuit without altering other protection schemes.
• Retrofits that upgrade or replace aging protection components while preserving existing GE infrastructure.
• Replacement scenarios when a failed or degraded bus plug needs a like-for-like, specification-grade substitute.

Practical guidance for selection and installation

• Always confirm fit and ratings before ordering—use the SB424 part number as your primary compatibility reference to match bus size, mounting, and fuse type.
• Engage a licensed electrician or qualified service technician to install, power down the affected panel, and verify system integrity after replacement.
• Keep a spare SB424 on hand for scheduled maintenance windows to minimize gear downtime and ensure quick restoration of protection.

With the General Electric SB424 Fusible Bus Plug, you gain a reliable, well-matched protection component that supports efficient maintenance, seamless retrofits, and dependable replacements in 240V electrical distributions. Trust a proven GE solution to sustain circuit protection while you upgrade or service your switchgear infrastructure.