Siemens ED22B040 - 40 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Introducing the Siemens ED22B040—a 40A, 240V, 2-pole bolt-on molded case circuit breaker designed for dependable branch circuit protection in panelboards and loadcenters. Built to handle the realities of installation and operation, this breaker delivers clear, robust performance where it matters most.

Key advantages you’ll notice in the field

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays tight under movement and routine maintenance, reducing the risk of loose connections over time.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining a thermal element for overloads with a magnetic element for instantaneous short-circuit response. Expect reliable protection and fewer nuisance trips.
• OEM-compatible design ensures seamless fit with matching Siemens OEM load centers and panelboards, simplifying upgrades, replacements, and panel servicing.
• Versatile application suitable for residential, commercial, and light industrial settings, offering straightforward protection for 240V branch circuits.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: ED22B040
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

• Residential panel upgrades or subpanel protection for 40A circuits feeding heavy-load outlets, HVAC controls, or motors in homes and multifamily setups.
• Commercial panel installations where 240V circuits require robust, quick-tripping protection in offices, retail spaces, or service areas.
• Light industrial panels or equipment rooms needing dependable protection for smaller 240V distribution circuits.

Why this Siemens breaker stands out

Rather than relying on generic components, the ED22B040 combines the precision of Siemens engineering with a bolt-on form factor that emphasizes secure, durable connections in busy panels. The thermal-magnetic trip approach translates to predictable protection behavior—critical for maintaining uptime and protecting connected devices in everyday environments. When paired with compatible OEM load centers, this breaker helps you maintain electrical coordination and simplify maintenance tasks across residential, commercial, and light industrial projects.

For anyone tasked with safeguarding 240V branch circuits, the Siemens ED22B040 delivers a concrete combination of secure installation, reliable protection, and straightforward compatibility—so you can install with confidence and keep systems running smoothly.