General Electric | SL421NP | Fusible Bus Plug | 30A | 240V

General Electric SL421NP Fusible Bus Plug — a precise, compatible safety device for GE electrical panels. With a 30A, 240V rating, this fusible bus plug is tailored for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications

• Amperage: 30A
• Voltage: 240V
• Part number: SL421NP
• Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

What makes the SL421NP unique

• Engineered for reliable overcurrent protection within GE-compatible panels, ensuring the protection device aligns with system design and safety requirements.
• Specifically rated at 30A/240V, providing the exact protection level needed for select circuits and loads in service and distribution panels.
• Designed to simplify maintenance, retrofit, and replacement workflows by matching GE’s standard form and function, helping engineers and technicians minimize downtime.
• The SL421NP reference point gives you a clear, authoritative compatibility check, reducing guesswork in parts selection.

Ideal use cases

• Maintenance on GE electrical service panels where a fusible bus plug is required.
• Retrofit projects that upgrade or restore protective devices to the correct GE specifications.
• Replacement of a failed or worn fusible bus plug to restore proper protection and circuit integrity.
• New installations or panel upgrades that require a precise 30A, 240V fusible interface compatible with GE systems.

Compatibility tips and practical guidance

Before purchasing, verify the panel model and the bus plug’s rating to ensure a seamless fit. The SL421NP part number is the most reliable reference for compatibility. When handling and installing any fusible device, follow standard electrical safety practices and work with a licensed electrician to ensure proper seating, protection coordination, and panel integrity.