The Allen-Bradley 1492-SP3D040 three-pole circuit breaker from the Bulletin 1492 Wiring System series is a compact and durable protection device engineered by Rockwell Automation for industrial and commercial electrical applications across North America and Europe. Rated for a continuous current of 4 amps, it supports operating voltages up to 415 VAC under IEC standards and 480Y/277 VAC under UL standards, ensuring global compatibility and reliable circuit protection. Designed for consistent performance, easy installation, and compliance with international safety regulations, the 1492-SP3D040 provides dependable overload and short-circuit protection for control panels, automation systems, and distributed power networks.