Contact module with 2 contact elements, 1 NO+1 NC, screw terminal, for front plate mounting Contact module SIRIUS ACT for switching power circuits Under the brand name SIRIUS ACT, Siemens offers a unique portfolio of pushbuttons and signaling devices with global product approvals in four modern d An innovative snap-on concept makes the task of installing a unit so easy that it can be done with one hand and without any special tools Groove-free holes are adequate as mounting holes since full twist prevention is already integrated Thanks to the high degree of protection throughout, the rugged devices are suitable for use in industry and outdoors