Siemens ED42B020L - 20 A, 480 V, 2-Pole Circuit Breaker | AmpState

The Siemens ED42B020L is a 20A, 480V, 2-pole molded case circuit breaker engineered to safeguard your electrical infrastructure with precision. Designed for dependable branch circuit overcurrent and short-circuit protection, it fits seamlessly into panelboards and load centers, delivering reliable performance when it matters most.

Compact, space‑efficient design

• Slim molded-case form optimizes panel space, helping you maximize spare room for future circuits.
• Two-pole configuration ensures simultaneous disconnection of both lines, enhancing safety and simplifying maintenance.

Stable protection with a thermal-magnetic trip

• The thermal-magnetic trip unit provides stable, repeatable protection against overloads and short circuits, reducing nuisance trips and improving system reliability.
• Rapid, coordinated response to fault conditions helps protect wires, devices, and connected equipment from damage.

OEM-aligned compatibility

• Designed to be compatible with matching Siemens OEM load centers and panelboards, ensuring smooth replacement or expansion without mismatched fittings or performance concerns.
• Suitable for a range of installations where higher voltage protection is required, including commercial and light industrial environments.

Ideal applications

• Residential electrical panels that demand robust overcurrent protection for branch circuits.
• Commercial panelboards and light industrial setups requiring reliable 2-pole protection at 480V.
• New installations or upgrades where space efficiency and dependable trip performance are priorities.

Technical snapshot

• Manufacturer: Siemens
• Part Number: ED42B020L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 480V
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Siemens ED42B020L for a dependable, space-conscious solution that delivers precise protection for 2-pole circuits at 480V. Whether upgrading an existing panel or building a new system, its compact design, predictable thermal-magnetic protection, and OEM compatibility help you achieve safer, more efficient electrical performance.