Relay for assembling in terminal blocks with a reduced installation space, comprising: an electromagnetic drive arrangement , which comprises an armature , an armature bearing spring and a yoke , wherein the armature is at least partially spaced from the yoke , is movably mounted and is configured to reduce the distance between the yoke and the armature under the effect of an electromagnetic force acting on the armature , wherein the armature bearing spring is configured to apply a spring force to the armature counteracting the electromagnetic force, wherein the yoke is configured to interact electromagnetically with the armature in order to apply the electromagnetic force to the armature ; a contact spring which has a first contact surface (111-1) and a contact arm , wherein the contact arm is arranged at a distance from the first contact surface (111-1) and is configured to come to contact with the first contact surface (111-1) by means of a pressure force acting on the contact arm in order to establish an electrical connection between the first contact surface (111-1) and the contact arm , characterized in, that the relay comprises an insulating element , which is arranged at the armature and lies on the contact arm , wherein the insulating element is configured to electrically isolate the armature from the contact arm and to actuate the contact arm in order to produce the pressure force which acts on the contact arm by moving the armature , wherein the armature , the insulating element , the contact arm and the yoke are each arranged parallel to a support plane , and wherein the armature , the insulating element and the contact arm are mounted in an at least partly moveable manner perpendicularly with respect to the support plane . an electromagnetic drive arrangement , which comprises an armature , an armature bearing spring and a yoke , wherein the armature is at least partially spaced from the yoke , is movably mounted and is configured to reduce the distance between the yoke and the armature under the effect of an electromagnetic force acting on the armature , wherein the armature bearing spring is configured to apply a spring force to the armature counteracting the electromagnetic force, wherein the yoke is configured to interact electromagnetically with the armature in order to apply the electromagnetic force to the armature ; a contact spring which has a first contact surface (111-1) and a contact arm , wherein the contact arm is arranged at a distance from the first contact surface (111-1) and is configured to come to contact with the first contact surface (111-1) by means of a pressure force acting on the contact arm in order to establish an electrical connection between the first contact surface (111-1) and the contact arm , characterized in, that the relay comprises an insulating element , which is arranged at the armature and lies on the contact arm , wherein the insulating element is configured to electrically isolate the armature from the contact arm and to actuate the contact arm in order to produce the pressure force which acts on the contact arm by moving the armature , wherein the armature , the insulating element , the contact arm and the yoke are each arranged parallel to a support plane , and wherein the armature , the insulating element and the contact arm are mounted in an at least partly moveable manner perpendicularly with respect to the support plane . <EOS>