A motor device includes a shell, a motor body and a connection terminal. The motor body is supported on the shell and includes a power supply terminals a support and a lead wire. The power supply terminal penetrates a through hole of the support in a first direction and is pressed into a pressing portion of the connection terminal. The lead wire extends from the power supply terminal in a direction perpendicular to the first direction, or extends in a direction inclined with respect to the first direction toward a side approaching the connection terminal. A first protrusion restricting movement of the power supply terminal in the first direction toward a side opposite to the connection terminal is provided at a position on the shell facing the power supply terminal in the first direction.

A motor device includes a shell, a motor body and a connection terminal. The motor body is supported on the shell and includes a power supply terminals a support and a lead wire. The power supply terminal penetrates a through hole of the support in a first direction and is pressed into a pressing portion of the connection terminal. The lead wire extends from the power supply terminal in a direction perpendicular to the first direction, or extends in a direction inclined with respect to the first direction toward a side approaching the connection terminal. A first protrusion restricting movement of the power supply terminal in the first direction toward a side opposite to the connection terminal is provided at a position on the shell facing the power supply terminal in the first direction.

A contact-point timer switch having an explosion-proof structure is provided. A defrosting timer for a refrigerator includes: contact points; a contact-point move mechanism that moves at least one contact point of the contact points, and makes the contact point contact another contact point in order to electrically connect the contact points; and a first case and a second case, while being in a stacked state, inside which stores the contact points and the contact-point move mechanism. In a first-case-side facing part of the first case, which faces the second case, and a second-case-side facing part of the second case, which faces the first case, there are provided raised bottom parts, which are raised toward an opposite-side facing part, in an area being free from overlap with the contact points and the contact-point move mechanism in a view from a stacking direction of the first case and the second case.