Electromagnetic relay

An electromagnetic relay, comprising:

• a ferromagnetic iron core;
• a coil wound on said ferromagnetic iron core;
• an armature attracted by said ferromagnetic iron core when electric power is supplied to said coil;
• a first common contact driven by said armature;
• a first make contact which contacts said first common contact when said armature is attracted by said ferromagnetic iron core;
• and
• an arc suppressing circuit which suppresses an arc, generated between said first common contact and said first make contact when separating said first common contact from said first make contact, by stopping supply of electric power to said coil, comprising:
• a key circuit or a plurality of series-connected key circuits, connected in series with said first common contact, a load and a battery, wherein each key circuit comprises a second common contact driven by said armature and a second make contact which is contacted by said second common contact when said armature is attracted by said ferromagnetic iron core.