Siemens | RV455 | Fusible Bus Plug | 400A | 600V

The Siemens RV455 Fusible Bus Plug is a purpose-built protection accessory designed to slot into compatible Siemens switchgear with precise 400A and 600V ratings. Built for reliability in demanding industrial environments, this bus plug provides fast, dependable protection as part of maintenance, retrofit, and replacement projects where exact specifications matter.

Key Features

• Amperage: 400A
• Voltage rating: 600V
• Part reference: RV455
• Intended use:maintenance, retrofit, and replacement within compatible Siemens equipment
• Fit guidance: Confirm fit and ratings before ordering; the RV455 part number is the most reliable compatibility reference

Why this fusible bus plug stands out

Unlike generic protection components, the RV455 is designed to integrate seamlessly with Siemens systems that specify the RV455 form factor and ratings. Its 400A capacity supports mid- to high-load feeders, while the 600V rating covers common industrial distribution scenarios. By using the exact part number RV455, you minimize guesswork and ensure you’re procuring a plug that meets the exact electrical characteristics and mechanical interfaces of your existing gear.

Ideal use cases

• Maintenance: Replace aging or degraded fusible bus plugs without modifying surrounding hardware.
• Retrofit projects: Upgrade or reconfigure protection schemes in legacy Siemens panels or switchgear that require 400A/600V specifications.
• Replacement procurement: Quick, reliable sourcing when a freeze-up or fuse plug fault has been identified.

Who should consider the RV455

• Electrical maintenance technicians working with Siemens equipment needing reliable 400A/600V fusible protection
• Retrofit engineers updating protection schemes in existing plants
• Procurement teams seeking a precise, compatible replacement part for downtime-critical systems

Important compatibility note

Before ordering, verify that your system requires a 400A fusible bus plug at 600V and that the compatible form factor aligns with the RV455 specification. The part number RV455 is the best reference for compatibility, ensuring a proper fit and dependable performance in service.