Siemens ED23B090 - 90 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet Siemens ED23B090, a 90A, 240V, 3-pole bolt-on molded case circuit breaker designed to safeguard branch circuits in panelboards and load centers. With a robust bolt-on mounting, a thermal-magnetic trip unit, and seamless compatibility with Siemens OEM loadcenters, this breaker delivers dependable overcurrent and short-circuit protection across residential, commercial, and light-industrial applications.

Why choose the ED23B090

• Secure bolt-on mounting: Provides a rigid, vibration-resistant connection to the bus, reducing movement and ensuring consistent protection even in environments with equipment vibration or active service disruptions.
• Thermal-magnetic trip unit: Combines fast instantaneous trips for short circuits with precise thermal protection for gradual overloads, delivering stable, repeatable performance over time.
• OEM-compatibility: Designed to work seamlessly with matching Siemens loadcenters and panelboards, simplifying installation and ensuring proper coordination within your electrical distribution system.
• Versatile, durable protection: Engineered for a range of settings—home electrical rooms, office retrofit projects, and light-industrial panels—where reliable branch-circuit protection matters most.

Key specifications

• Manufacturer: Siemens
• Part Number: ED23B090
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 90 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential and light commercial panelboards requiring reliable 3-pole protection for shared loads and multi-wire branch circuits
• New panel installations or replacements in retrofit projects where OEM compatibility matters
• Electrical rooms in small to medium commercial spaces and light-industrial setups needing durable, maintenance-friendly protection

Practical installation insights

Choose the ED23B090 when you need a solution that pairs secure mounting with precise protection characteristics. Its bolt-on design supports solid bus connections, minimizing vibration-related wear and maintaining consistent trip performance. Verify that your panelboard is compatible with 3-pole bolt-on breakers and that the ED23B090 aligns with your Siemens loadcenter configuration for optimal coordination and reliability. Proper installation helps protect downstream equipment, reduce nuisance trips, and extend the life of your electrical distribution system.

Siemens ED23B090 delivers clear, dependable protection where it matters most—protecting wiring, reducing downtime, and supporting safe, compliant electrical operation in a variety of professional settings.