Siemens | XLVB454N | Fusible Bus Plug | 200A | 600V

Siemens XLVB454N Fusible Bus Plug is a purpose-built component engineered for dependable performance in power distribution enclosures. Sized for 200A service at 600V, this fusible bus plug is designed for maintenance, retrofit, and replacement tasks where exact specifications matter. The part number XLVB454N is the most reliable reference to ensure a correct fit and electrical ratings.

Key specifications

• Amperage: 200A
• Voltage: 600V
• Part number: XLVB454N

What it is and where it fits

This fusible bus plug is a modular component used within Siemens‑compatible switchgear and bus assemblies. It serves as a controlled pathway for current, providing reliable connection points while enabling proper fault protection through its fusible design. It’s ideal when you’re conducting routine maintenance, upgrading an existing installation, or replacing a worn or out‑of‑spec plug with a part that matches the original ratings.

Why choose the XLVB454N for your project

• The XLVB454N designation ensures the plug matches the intended Siemens bus architecture, reducing guesswork during procurement.
• 200A at 600V supports standard commercial and industrial distribution needs without oversizing or undersizing the protection path.
• Designed to simplify retrofit and replacement tasks, helping minimize downtime when updating or restoring systems.

How to verify compatibility

Before ordering, confirm fit and ratings using the exact part number XLVB454N. This ensures the plug aligns with your equipment’s bus geometry, fusing characteristics, and electrical clearances. If your equipment specifies a Siemens fusible bus plug with the same amperage and voltage, this part provides a precise, dependable match.

Ideal use cases

• Maintenance on Siemens switchgear where a fusible bus plug is a wear item or requires replacement.
• Retrofits to upgrade or restore a bus assembly to a 200A, 600V specification.
• Replacement of aging or damaged bus plug components to maintain system protection and reliability.

Practical tips for installers

• Handle with care to preserve electrical contacts and insulating surfaces.
• Store and transport in clean, dry conditions to prevent contamination that could affect performance.
• Consult the equipment’s documentation to ensure the bus plug’s dimensions and mounting interfaces align with the existing assembly.