This Cr123C Series thermal overload heater element is versatile and designed to operate in various conditions. It is rated for 1.98 to 3.74 amps and has a maximum fuse rating of 25. It comes in open and enclosed versions, with amp ratings ranging from 2.56 to 2.99 amps for open and 2.53 to 2.96 amps for enclosed. It is suitable for NEMA Size 00, 0, 1, 2, and 5 with different amp ratings, making it compatible with thermal overload relays, magnetic motor starters, and motor controls.