Square D A1B230 Circuit Breaker, 30A, 2-Pole, 240V

The Square D A1B230 Circuit Breaker is purpose-built for industrial electrical service, maintenance, and replacement projects. With a 30 amp rating, a 2-pole design, and 240V operation, this component delivers reliable overcurrent protection for demanding panel configurations.

• Part Number: A1B230
• Amperage: 30 A
• Poles: 2
• Voltage: 240 V
• Manufacturer: Square D

Why the 2-Pole, 240V configuration matters

Two hot legs are tracked and disconnected together, ensuring a safer, complete shutdown of 240V circuits. This makes the A1B230 ideal for branch circuits that power motors, heaters, or other equipment in industrial environments where reliable protection and quick isolation are essential.

Key advantages that set this part apart

• Precise compatibility the A1B230 is designed to fit within Square D panels and systems that accept this specific part number. Always verify fit by part number against your application requirements.
• Industrial-grade practicality built to support ongoing service, routine maintenance, and timely replacements without sacrificing performance or safety.
• Clear ownership and sourcing manufactured by Square D, a name associated with dependable protection devices and consistent electrical safety standards.

Ideal uses and practical scenarios

• Replacing a failed 30A, 2-pole breaker in industrial control panels, distribution boards, or power distribution assemblies.
• Installing in new or existing 240V circuits that require simultaneous disconnection of both hot legs for safety and compliance.
• Maintenance projects where preserving original panel specifications is important to maintain system integrity.

How to ensure a proper fit

To confirm compatibility, match the part number A1B230 to your panel’s approved list of breakers and review your application’s electrical requirements. If you’re unsure about compatibility or need help verifying the fit, send us a message and we’ll assist with part-number matching and compatibility checks.

Designed for professionals who value reliability, straightforward installation, and long-term performance in demanding environments, the Square D A1B230 delivers dependable protection for 240V, 30A circuits.