Siemens ED21B050 - 50 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens ED21B050 — a 50A, 120V, 1-pole bolt-on molded case circuit breaker engineered to shield your electrical system from overcurrent and short circuits. Available from AmpState, this unit is purpose-built for dependable protection in panelboards and load centers.

• Bolt-on mounting delivers a rigid, vibration-resistant bus connection, maintaining a solid electrical path even in busy enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection across varying temperatures, helping prevent nuisance trips while safeguarding wiring during fault events.
• OEM compatibility is optimized for seamless matching with corresponding Siemens OEM load centers and panelboards, simplifying installation and ensuring reliable operation.
• Versatile applications suited for residential, commercial, and light industrial circuits that require clear, dependable 50A protection at 120V.

Technical snapshot

• Manufacturer: Siemens
• Part Number: ED21B050
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for upgrading or outfitting panelboards and load centers where a robust, single-pole protection solution is needed, the ED21B050 helps you maintain electrical safety and continuity in everyday electrical installations. When you’re building out or servicing a system, this Siemens breaker provides a clear, straightforward path to compliant, reliable protection.