Siemens | UV421 | Fusible Bus Plug | 30A | 240V

Siemens UV421 Fusible Bus Plug — 30A, 240V is a purpose-built component for maintenance, retrofit, and replacement where exact specs matter. Identified by part number UV421, this fusible bus plug ensures you’re selecting the right match for your Siemens distribution setup. Before ordering, please confirm fit and ratings—the UV421 part number is the best reference for compatibility.

• Precise electrical rating: 30A at 240V, providing the correct current and voltage characteristics for compatible Siemens configurations.
• Designed for practical workflows: ideal for routine maintenance, retrofit projects, and replacements where matching specs are required to maintain system integrity.
• Clear compatibility reference: rely on the UV421 part number to verify fit with your bus plug arrangement and equipment alignment.
• Supportive for downtime management: when used in the right spec context, it can help streamline maintenance and reduce rework in live systems.

Who it’s for: electrical engineers, maintenance technicians, and facility teams responsible for Siemens electrical distribution panels and switchgear. If you’re upgrading, refreshing, or replacing components within spec, UV421 provides a dependable, spec-matched solution that supports reliable performance across your installations.

• Use cases: routine panel maintenance, retrofits to maintain current ratings, and replacements where the exact UV421 specifications are required.
• Practical tips:
  • Cross-check your equipment’s amperage and voltage requirements to confirm the 30A, 240V rating matches your circuit design.
  • Use the UV421 part number as the primary compatibility reference when comparing with existing components or making replacements.
  • Keep a small inventory of matching Siemens bus plug parts to support planned maintenance and retrofit projects.