Siemens | RV321 | Fusible Bus Plug | 30A | 3-Pole | 240V

Siemens RV321 Fusible Bus Plug is a purpose-built, 30A, 3-Pole, 240V protective link designed for maintenance, retrofit, and replacement in compatible Siemens panels. This fusible bus plug delivers a precise, code-compliant protection path that can be swapped quickly during service, helping you minimize downtime without replacing the entire bus assembly.

Key advantages you’ll value

• Exact fit for RV321-compatible Siemens panels, ensuring a seamless, reliable replacement.
• Integrated overcurrent protection with a 30-amp rating, safeguarding feeders in 240V circuits.
• 3-Pole design supports multi-pole bus configurations common in Siemens installations, promoting proper protection coordination.
• Compact and service-friendly form factor that simplifies maintenance, retrofits, and part replacements.

Specifications at a glance

• Amperage: 30A
• Poles: 3-Pole
• Voltage: 240V
• Part number: RV321

Why this matters — In service, upgrades, or panel maintenance, having a reliably matched fusible bus plug ensures quick, safe disconnections and protection for your electrical system. Because the RV321 is a Siemens-specific part, it’s engineered to slot into the existing bus architecture with the same electrical characteristics as the original equipment.

Ideal use scenarios

• Routine maintenance on Siemens panels that rely on fusible bus plugs for service access and protection.
• Retrofits to upgrade circuit protection where a 30A, 240V fusible link is appropriate.
• Replacement of worn or damaged bus plugs in compatible RV321-enabled installations.

Important compatibility note — Confirm fit and ratings before ordering. The part number RV321 is the best reference for compatibility with your Siemens panel. If your system requires a 30A, 3-Pole, 240V fusible bus plug in the RV321 family, this unit is designed to integrate smoothly with your existing bus assembly.