Siemens | UV455 | Fusible Bus Plug | 400A | 600V

Meet the Siemens UV455 Fusible Bus Plug — a purpose-built protection module for factory and facility power distribution. Engineered for demanding environments, this unit delivers a reliable 400A current rating and supports up to 600V systems, making it a sturdy choice for maintenance, retrofit, and replacement projects where precision compatibility matters.

Key specifications at a glance

• Amperage: 400A
• Voltage: 600V
• Part number: UV455
• Type: Fusible bus plug

Why this fusible bus plug stands out

• Siemens engineering ensures dependable performance in service panels and retrofit scenarios that demand consistent protection and quick fault isolation.
• Fusible design enables targeted protection for feeders, with a replaceable fuse link that minimizes downtime and avoids full panel replacement.
• Compact form factor and standardized interface align with common bus plug configurations, simplifying installation and future maintenance.
• Clear, references-based compatibility: using the UV455 part number is the best way to confirm fit with your Siemens-powered equipment and related panels.

Ideal use cases

• Maintenance: swap in a fresh UV455 to restore protection for critical feeders without major disassembly.
• Retrofit: upgrade protection schemes in existing panels that require a 400A/600V fusible solution.
• Replacement: restore system reliability by replacing aging bus plug assemblies with a proven Siemens component.

Installation and compatibility notes

Before ordering, confirm fit and ratings to ensure seamless compatibility. The UV455 is the definitive reference for matching the correct fusible bus plug to Siemens panels and related infrastructure. Refer to your panel’s documentation and ensure the bus plug seating and fuse link type align with your current protection strategy.

Practical tips for best results

• Handle with proper electrical safety protocols and de-energize the circuit before replacement.
• Keep spare UV455 units on hand for planned maintenance windows to minimize downtime.
• Inspect fuse links for signs of wear or coloration changes during inspections and replace as part of routine preventive maintenance.

Choose the Siemens UV455 Fusible Bus Plug for reliable, serviceable protection in industrial and commercial electrical distributions, delivering clear compatibility, targeted protection, and actionable maintenance benefits.