JUNG ES 2990

- for switch insert ref.-no.: 501 U, 502 U, 503 U, 506 U, 507 U, 501-20 U, 506-20 U, 507-20 U- for push switch insert ref.-no.: 502 TU, 506 TU, 507 TU- for push-button insert ref.-no.: 531 U, 532 U, 533 U, 533-2 U- for multi switch insert ref.-no.: 531-41 U (not metal versions)