Siemens 6es7 407-0ka01-0aa0 power supply module MTL2212 3-Channel Switch Operated Relay What is the main function

What is the main function of this module

entity accord with mtl sci-421

Sn:K438Cq3514 R

making it fitting for any range of industries

Yamatake-honeywell 1ls9-j micro switch used

Siemens 6es7 407-0ka01-0aa0 power supply module MTL2212 3-Channel Switch Operated Relay What is the main functionSiemens 6es7 407 0ka01 0aa0 power supply module (Not Working) siemens 407 0ka01 0aa0 simatic s7 400 simatic s7 1p 6es7 407 0ka01 0aa0 svpr5477480 x 6 7 8 9 10 ps 407 10a i: ac120 230v; 0,9 0,5a 50 60hz or dc110 230v; 1,0 0,5a o: dc5v 10a; 24v 1a max. op. temp. 60c cl. i, div. 2, gp a,b,c,d t4 cl. i, zone2, gp iic, t4 ta: 0+60c made in germany weight: 1. 240 kg