Further information for Pilz 506403 - Safety switches PSEN ma2 1p 31 / LED / 6mm / 1switch
Magnetic safety switch 1 n/o 1 n/c, 4-pin M8 pin connector, rectangular design, LED, IP67, switching distance 6 mm, design height 13 mm, for series connection with PSEN i1, PU = 1 sensor without actuator.