The IALN111-1-61-30.0-E is a three-pole, series trip magnetic circuit protector designed for reliable overcurrent protection and power switching. It is rated for 30.0 amperes and operates on 50/60Hz circuits with a short delay (delay 61) characteristic, making it suitable for general-purpose applications. As part of the panel-sealed IALN family, it features a silicone rubber toggle seal for integrity in harsh environments and is rated for 277V/480V operation. The trip-free design ensures the circuit opens during an overload regardless of the handle position, providing safe and accurate circuit control for a wide variety of equipment.