for switches ref.-no.: 506 U, 507 U, 502 U, 806 W, 807 W, 802 W, 806 NAW, 606 W, 607 W, 602 W, 606 NAW
for switches with indicator light ref.-no.: 506 KOU, 502 KOU, K 506 KO EU, 806 KOW, 802 KOW, 606 KOW, 602 KOW
for push-buttons ref.-no.: 531 U, 533 U, 534 U, K 534 EU, 831 W, 833 W, 834 W, 631 W, 633 W, 634 W
for AC and DC, independent of polarity
In combination with 534 U and K 534 EU, ensure uniform voltage potentials and circuits.
average life > 50 000 h
