Square D | FH36045CBA | Circuit Breaker | 45A | 3-Pole | 600V

Square D FH36045CBA Circuit Breaker is a rugged, three-pole protection device engineered for reliability in industrial and commercial electrical systems. With a 45-amp rating and a 600V maximum, this model is your precise choice for maintenance, retrofit, and replacement projects where exact specifications matter. The part number FH36045CBA is the best reference for compatibility and seamless integration into your panel lineup.

Key specifications

• Amperage: 45A
• Poles: 3-Pole
• Voltage rating: 600V
• Brand: Square D
• Part number: FH36045CBA
• Recommended use: maintenance, retrofit, and replacement in compatible systems

Why this model stands out

This 3-pole configuration ensures synchronized disconnection across all three phases, delivering reliable protection for three-phase circuits and helping minimize downtime during service events. Designed for compatibility with a wide range of Square D panelboards, it’s a practical, code-conscious choice when exact specs and proven performance are required.

Ideal use cases

• Upgrading aging three-phase distribution in commercial facilities
• Replacing a failed breaker in existing Square D panels to restore service quickly
• Retrofit projects where strict adherence to a 45A, 3-pole, 600V specification is needed

What to check before ordering

• Verify that your panel supports a 3-pole, 45A, 600V breaker with the same physical form factor.
• Use FH36045CBA as the primary reference to confirm panel compatibility and bus arrangement.
• Ensure the overall panel rating and enclosure clearance accommodate a 600V class device.

Choosing the Square D FH36045CBA means prioritizing consistency, dependable protection, and a straightforward path to compliant replacements when maintenance or upgrades are on the horizon. This model is built to support dependable performance in demanding environments while keeping installation and future servicing practical and efficient.