Schneider Electric | HDA36150U43X | Circuit Breaker | 150A | 3-Pole | 600V

Schneider Electric HDA36150U43X is a purpose-built circuit breaker designed to deliver dependable protection in maintenance, retrofit, and replacement projects where exact specifications matter. This 150A, 3-pole unit provides robust three-phase protection at voltages up to 600V, making it a trusted choice for expanding or updating electrical systems that rely on consistent, clean power delivery.

Key specifications

• Amperage: 150A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: HDA36150U43X
• Application: maintenance, retrofit, and replacement where matching specs are required

Why this Schneider Electric breaker stands out

Designed by Schneider Electric, this circuit breaker embodies the reliability and precision you expect from a brand trusted across industries. Its 3-pole configuration ensures balanced, three-phase protection, making it well-suited for commercial panels and industrial equipment that operate on three-phase power. Using the exact part number helps ensure compatibility with existing gear and minimizes retrofit uncertainties, so upgrades and replacements proceed smoothly without surprises.

Ideal use cases

• Upgrading aging panels during facility modernization projects
• Replacing worn or failed breakers in service equipment and switchgear
• Retrofitting electrical systems where a precise 150A, 3-pole, 600V rating is required

Fit, compatibility, and ordering tips

Before purchasing, verify the fit and ratings match your current setup. The part number HDA36150U43X is the most reliable reference for compatibility, so cross-check it against your panel labeling and service documentation. If your system specification lists 150A, 3-Pole, and 600V, this unit is a direct match for your protection needs.

Practical guidance for installation and maintenance

• Prepare by confirming the panel accepts a 3-pole 150A breaker with a 600V rating.
• Inspect the surrounding electrical enclosure and conductor sizing to ensure safe, compliant operation after replacement.
• Keep the exact part number handy for future service needs and to simplify ordering when parts are required again.

Choose the Schneider Electric HDA36150U43X for dependable, spec-matched protection that supports reliable performance across your three-phase electrical system. Add it to your cart to ensure continued protection, faster service, and straightforward maintenance workflows.