Siemens ED22B045L - 45 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens ED22B045L is a 45A, 240V, 2-pole bolt-on molded case circuit breaker built to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a robust bolt-on mounting, it ensures a rigid, vibration-resistant bus connection that stays secure even in demanding electrical environments.

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection for long-term reliability.
• Thermal-magnetic trip unit provides stable, repeatable protection performance against both overloads and short circuits.
• OEM compatibility designed to work with matching Siemens OEM loadcenters and panelboards for streamlined upgrades and replacements.
• Versatile application suitable for residential, commercial, and light industrial electrical systems needing reliable 2-pole protection at 240V.

What it does for your electrical system

The ED22B045L protects branch circuits by interrupting current when overcurrent or short-circuit conditions occur, helping prevent wiring damage and fire hazards. Its two-pole design provides simultaneous disconnect across both live conductors, ensuring effective protection in 240V circuits.

Technical snapshot

• Manufacturer: Siemens
• Part Number: ED22B045L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Choose the ED22B045L when you need dependable protection in systems that require a sturdy, bolt-on 2-pole breaker. It’s well-suited for:

• Residential panelboards and service upgrades where a reliable 240V two-pole breaker is required
• Commercial electrical installations with compact, vibration-prone environments
• Light industrial applications needing consistent trip performance and durable mounting

Practical guidance for installation and operation

For best results, pair the ED22B045L with compatible Siemens OEM loadcenters and panelboards. Its bolt-on design offers a secure, vibration-resistant connection that helps maintain electrical integrity over time. Always ensure the breaker rating matches the circuit requirements and that installation adheres to local electrical codes and panel specifications.

Why this breaker stands out

Beyond its basic specs, the ED22B045L combines a robust physical mount with a precise thermal-magnetic protective mechanism, delivering repeatable performance across a range of workloads. Its seamless compatibility with Siemens loadcenters makes it a smart choice for installers seeking reliable, straightforward replacements or upgrades without sacrificing panel harmony. If you’re safeguarding 240V branch circuits in homes, offices, or light industrial spaces, this 45A, 2-pole bolt-on breaker is built to perform when it matters most.