8501X NEMA machine tool relays combine a rugged heavy duty design with modular construction for greater flexibility. They are ideal for applications where long life, high reliability and ease of maintenance are important. This relay has a 10 ampere continuous current rating. It also has an A600 inductive contact rating. It has four 8501XC1 contact cartridges. This relay has four normally open contacts. The machine tool relays have straight through wiring. This makes wiring easier. The four plug in contact cartridges in this relay make contact conversion or replacement very easy. Contact conversion or replacement can be done without removing any wiring. Relay has a 110/120 VAC 50/60 Hz coil. Relay is UL listed and CSA certified.