Device module, tandem assembly device and contact spring

The invention relates to a device module (10) for a multi-pole tandem assembly device (1) consisting of at least two device modules (10, 20, 30, 40), having a module housing (12) with only one unit-divided width (B), having a front face (13), a fastening face (14) opposite the front face (13), and a narrow face (15) and a wide face (16) connecting the front face and the fastening face, the device module has a movable contact (17), which is arranged in the module housing (12) and forms a switching contact with a fixed contact (18), which is also arranged in the module housing (12), and a contact spring (100), which consists of a helical torsion spring (110) and a compression spring (120). 本发明涉及一种设备模块(10)，其用于由至少两个设备模块(10、20、30、40)构成的多极串接组装设备(1)，设备模块具有模块壳体(12)，模块壳体具有仅一个划分单位的宽度(B)，模块壳体具有正面(13)、与正面(13)相对的固定面(14)以及连接正面和固定面的窄面(15)和宽面(16)，设备模块具有移动触点(17)，移动触点布置在模块壳体(12)中并与同样布置在模块壳体(12)中的固定触点(18)形成开关接触，设备模块具有接触弹簧(100)，接触弹簧由螺旋扭力弹簧(110)和压缩弹簧(120)构成。