Siemens ED22B040L - 40 A, 240 V, 2-Pole Circuit Breaker | AmpState

The Siemens ED22B040L is a compact, dependable 40A, 240V, 2-pole molded case circuit breaker designed to protect your electrical system where it matters most. Built for branch circuit overcurrent and short-circuit protection in panelboards and load centers, this unit delivers reliable performance across residential, commercial, and light industrial environments.

Why the ED22B040L stands out

• Compact molded-case design maximizes panel space so you can fit more circuits without crowding the enclosure.
• Thermal-magnetic trip unit provides stable, repeatable protection with fast response to faults, reducing nuisance trips and safeguarding downstream equipment.
• 2-pole configuration ensures simultaneous disconnection of both live conductors on a fault, improving safety and compliance for 240V circuits.
• OEM-loadcenter compatibility with matching Siemens or OEM panelboards and loadcenters for a seamless fit and reliable operation.
• Versatile for multiple sectors suitable for residential panels, commercial service equipment, and light industrial applications where dependable protection is essential.

Key specifications at a glance

• Amperage rating: 40A
• Voltage rating: 240V
• Poles: 2
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Ideal applications and use cases

Use the ED22B040L to protect critical 240V branch circuits in a residential panel or a commercial load center. Its compact footprint is particularly valuable in tight electrical spaces, service entrances, or subpanels where space is at a premium. Whether you’re upgrading an existing panel, wiring a new installation, or replacing a failed breaker, this unit delivers dependable protection for circuits requiring 40 amps.

Installation, compatibility, and practical tips

Choose the ED22B040L for plug-and-play compatibility with matching OEM load centers and panelboards. For optimal performance, ensure the replacement matches the panel’s rated voltage, pole configuration, and trip characteristics. Keep the panel cover closed and the breakers firmly seated to maintain proper electrical contact and thermal performance. If a breaker trips, inspect the circuit for overloads or short circuits before resetting; thermal-magnetic protection will react quickly to fault conditions, but the underlying issue should be diagnosed and corrected to prevent repeated trips.

What you gain with Siemens reliability

With Siemens engineering behind every ED22B040L, you’re investing in a proven solution that aligns with standard electrical parameters and safety expectations across residential, commercial, and light industrial settings. It’s a practical, durable choice for circuits that demand dependable, fast-acting protection without sacrificing panel space or ease of maintenance.