Siemens ED23B050 - 50 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens ED23B050 is a 50A, 240V, 3-pole bolt-on molded case circuit breaker designed to safeguard panelboards and load centers. Built for dependable branch circuit overcurrent and short-circuit protection, this unit combines a secure bolt-on mounting with a thermal-magnetic trip system to deliver stable, repeatable protection in demanding electrical environments.

Key advantages

• Secure bolt-on mounting creates a rigid, vibration-resistant bus connection that stays tight in busy panels and equipment rooms.
• Thermal-magnetic trip unit provides coordinated response to overloads and short circuits, reducing nuisance trips and ensuring reliable protection when it matters most.
• Three-pole, 50A, 240V configuration ideal for three-phase circuits common in commercial and light industrial installations.
• OEM-compatible design for seamless replacement and servicing with matching Siemens load centers and panelboards.
• Versatile across environments suitable for residential, commercial, and light industrial applications where dependable protection is essential.

Technical specifications at a glance

• Manufacturer: Siemens
• Part number: ED23B050
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 50 A
• Voltage rating: 240 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Real-world use cases and practical insights

• Ideal for upgrading or expanding three-phase panelboards in small commercial spaces, tech labs, or light manufacturing floors where reliable trip protection is critical.
• Suitable as a replacement breaker in Siemens-matched loads centers, helping maintain electrical system consistency and ease of maintenance.
• In busy electrical rooms or equipment racks, the bolt-on design minimizes movement and connection loosening, promoting long-term stability under vibration.
• For service electricians, this unit provides a clear, durable protection solution that supports both overload and short-circuit scenarios without complex configurations.

Choosing the ED23B050 means investing in a reliable, purpose-built solution for three-phase circuits that demand solid protection and straightforward serviceability. Its bolt-on construction, thermal-magnetic protection, and OEM compatibility make it a practical, long-lasting choice for safeguarding electrical systems across residential, commercial, and light industrial settings.