Allen-Bradley 1492-SP1C300 Circuit Breaker, 30A, 1-Pole, 277V

Allen-Bradley 1492-SP1C300 is a 30 A, 1-pole circuit breaker crafted for demanding industrial electrical service, maintenance, and replacement projects. With a 277 V rating, this single-pole device protects 277V, single-phase circuits in control panels, equipment enclosures, and other industrial installations where reliable protection is essential.

Compatibility is straightforward: confirm fit using the part number 1492-SP1C300 for your exact panel configuration and application requirements. Built by Allen-Bradley, this breaker brings a proven track record of durability and dependable protection in tough environments.

Key specifications

• Part Number: 1492-SP1C300
• Amperage: 30 A
• Poles: 1
• Voltage: 277 V
• Product Type: Circuit Breaker
• Application: Industrial electrical service, maintenance, and replacement projects

Ideal use cases

• Protection for single-phase 277V circuits in manufacturing, packaging, and automation panels
• Replacement or retrofit projects where existing 1492-series devices are in use
• Maintenance outages requiring quick, reliable circuit protection to minimize downtime

What sets it apart

Choosing the 1492-SP1C300 means leaning on a trusted Allen-Bradley solution designed for continuous operation in industrial settings. Its single-pole, 30 A configuration provides targeted protection for specific circuits while simplifying panel design and maintenance workflows. The part-number-first compatibility check helps technicians quickly verify suitability, reducing guesswork during replacements or upgrades.

Practical installation and compatibility notes

Before installation, verify that your system voltage aligns with 277 V and that the circuit load matches or stays below 30 A. Use the part number to confirm alignment with your panel’s design and any manufacturer requirements. For complex panel configurations or when integrating with existing 1492-series components, consult your electrical documentation to ensure seamless interoperability.

Care, storage, and best practices

• Store spares in a clean, dry area to prevent corrosion and contamination
• Label sockets and panels with the exact part number for easy future maintenance
• During replacement or maintenance, follow proper lockout/tagout procedures and de-energize circuits before work