Allen-Bradley | 1492-SP1B100 | Circuit Breaker | 10A | 1-Pole | 277V

Meet the Allen-Bradley 1492-SP1B100 circuit breaker—a precise, single-pole protection device designed to guard 277-volt circuits with a 10-amp rating. Crafted for maintenance, retrofit, and replacement projects, this exact-spec unit ensures a seamless, drop-in fit wherever compatibility matters most.

Exact-fit specification

• Amperage: 10 A
• Poles: 1-Pole
• Voltage: 277 V
• Part number: 1492-SP1B100

Why this model matters: When you’re maintaining or upgrading equipment, using the precise part number eliminates guesswork about mounting, terminals, and trip characteristics. The 1492-SP1B100 is the reliable reference for compatibility, helping you avoid mismatched replacements and downtime.

Ideal use cases:

• Replacing a failed breaker in Allen-Bradley control panels or industrial enclosures that require 277V single-pole protection.
• Retrofits for lighting or control circuits operating at 277V, where a 10A rating balances protection with uninterrupted operation.
• Spare parts for critical equipment to speed up maintenance windows and reduce outage times.

Installation and compatibility tips:

• Always confirm fit and ratings before ordering. The best compatibility reference is the part number 1492-SP1B100.
• Verify your system accepts a 1-Pole, 277V device and that the 10A rating aligns with your circuit design and protection requirements.
• During installation, ensure correct mounting orientation and secure terminal connections to maintain reliable protection and electrical safety.

Designed for reliable operation in demanding industrial environments, this Allen-Bradley circuit breaker delivers predictable overcurrent protection for 277-volt circuits. If your documentation specifies the 1492-SP1B100, you’re choosing an exact form factor and electrical profile that your system can depend on for years to come.