Siemens ED42B050 50A 2P 480V Circuit Breaker, Bolt-On | AmpState

Siemens ED42B050 50A 2P 480V Circuit Breaker, Bolt-On is purpose-built to shield electrical systems in panelboards, load centers, and distributed networks from overloads and short circuits. With its bolt-on mount and robust Siemens engineering, this 2-pole device delivers reliable overcurrent protection for demanding commercial and industrial environments.

Direct-fit compatibility and practical advantage

Engineered for scenarios where a precise part-number match matters, the ED42B050 is a straightforward replacement that minimizes downtime and avoids guesswork during builds or service work. The 50 amp rating makes it ideal for protection around feeder circuits and branch circuits in medium-power installations.

• Amperage: 50 A
• Poles: 2
• Voltage: 480V
• Mounting: Bolt-On for secure, dependable installation
• Part Number: ED42B050
• Manufacturer: Siemens

Use cases that match real-world workflows

Best suited for panel builders assembling new distribution panels, maintenance teams stocking spare parts to cut drivetrain downtime, and engineers retrofitting equipment where 480V, 2-pole protection is required. Use it to safeguard motor starters, feeder circuits, and critical distribution paths where clean breaks and rapid interruption are essential.

Why this Siemens breaker stands out

• Consistent direct-part availability from AmpState makes it easy to plan inventory without guessing compatibility.
• Reliable bolt-on design reduces installation time by allowing secure, mechanical wiring and mounting without complex adapters.
• Part-number fidelity (ED42B050) ensures you’re selecting an exact match for your panel catalog and service manuals.
• Designed for performance in electrical distribution environments, helping protect infrastructure and maintain uptime.

Need help confirming fit or verifying compatibility with your panel? AmpState offers assistance to verify part numbers and ensure correct substitution, so you can proceed with confidence.