Bus coupler buttonwater-protected surface-mounted

Bus coupler button WP SM, 1-gang with control window and single-point operation for KNX

Bus coupler button WP SM, 1-gang with control window and two-point operation for KNX

Bus coupler button WP SM, 2-gang with single-point operation for KNX

Bus coupler button WP SM, 2-gang with two-point operation for KNX