This contactor is a heavy duty enclosed replacement for all two pole contactors rated at 40 Amps or less which have 24 volt coils. This contactor is rated at 40 Amps and has a 24 Volt coil. This contactor has a heavy lug terminal and 4 male quick connect ¼” terminals on each line voltage connection to provide maximum wiring flexibility. The two terminals for the low voltage coil each have double ¼” male quick connects. The contact mechanism is enclosed to keep out insects and debris, but the visible plunger provides positive verification that the contacts are pulled in. The coil is encapsulated with no exposed tape wrapping. The mounting base measures 2-5/16” X 2” with four oblong mounting holes 1-5/8” x 1-5/8” on center. There are also four slots in the base to provide many mounting options. This part replaces most residential two pole contactors. This part is covered by the exclusive Migro two year limited replacement policy. If this part fails within two years from date of purchase, return the defective part and a copy of the original invoice to the place of purchase for replacement. Contact the authorized Migro dealer that you purchased the part from for details. Original equipment manufacturer's brand name(s) and part numbers are used for identification purposes only. This item meets or exceeds original equipment specifications.