An electromagnetic device includes: a coil; a spool having a body, around which the coil is wound, and first and second guard portions provided at both ends of the body, the spool being provided with a through hole in the body, which is opened in the first and second guard portions; an iron core inserted in the through hole; and a yoke being in contact with the second guard portion and fixed with a coupler of the iron core which protrudes from a second-guard-portion-side opening. At least one movement regulator configured to regulate movement of the coil is provided in the body.