Part of the Cr123C Series, this thermal overload heater element is designed to ensure the safety of your equipment. It is rated for 2.71 to 2.87 amps with a maximum fuse rating of 21. The open version has an amp rating of 2.81 to 2.97 amps, while the enclosed version is rated at 2.79 to 2.95 amps. It is suitable for NEMA Size 00, 0, 1, and 2, with specific amp ratings for each. This element is designed to work seamlessly with thermal overload relays, magnetic motor starters, and motor controls.