Siemens ED23B020L - 20 A, 240 V, 3-Pole Circuit Breaker | AmpState

Meet the Siemens ED23B020L—a compact 3-pole molded case circuit breaker engineered to protect every branch circuit in panelboards and load centers. With a 20-amp rating at 240 volts, this device delivers dependable overcurrent and short-circuit protection for residential, commercial, and light industrial settings. Its space-saving design helps you maximize panel capacity without compromising safety or performance.

• Compact molded case design—optimizes panel space for cleaner, more efficient electrical distributions.
• Thermal-magnetic trip unit—provides stable, repeatable protection performance against overloads and short circuits, so you can rely on predictable trips when protection is needed.
• OEM-compatible versatility—designed to be compatible with matching Siemens OEM load centers and panelboards, ensuring straightforward replacement and easy integration into existing systems.
• Versatile applications—suitable for residential, commercial, and light industrial overcurrent and short-circuit protection across 3-phase distribution networks.

Technical specifications

• Manufacturer: Siemens
• Part Number: ED23B020L
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 20A
• Voltage Rating: 240V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical insights

• Ideal for 3-phase commercial panels and light industrial installations where reliable 240V distribution requires solid protection across all phases.
• Great for upgrading older panels that need a compact MCCB with a consistent trip profile to prevent nuisance trips and downtime.
• Simple to source and inventory for maintenance teams, thanks to Siemens’ established compatibility with OEM load centers and panelboards.

Why this matters

The ED23B020L isn’t just a breaker; it’s a modular safeguard for your electrical infrastructure. The 3-pole configuration handles multi-phase distribution, helping maintain balanced protection across circuits. The thermal-magnetic trip unit delivers dependable response to overloads and faults, reducing the risk of equipment damage and electrical fires. When installed in compatible Siemens panels, it ensures cohesive performance and reliable uptime for building systems, manufacturing lines, and critical loads.

Installation and maintenance tips

• Ensure the breaker is installed into a compatible Siemens load center or panelboard to guarantee proper fit and coordination.
• Torque terminal connections to the manufacturer’s recommended specification to maintain secure contact and heat dissipation.
• Periodic visual and thermal checks of panel interiors can help catch early signs of overheating or wear, keeping protection intact over time.