We offer Interlock Switches Hs1e. 104x40x129 mm lightweight plastic housing Solenoid locking (power to unlock) to prevent access to hazardous areas Manual unlock key type also available Direct opening action (on main circuit NC contacts) Available with or without a LED indicator (red or green) Choose from 4 circuit configurations Flexible installation: the key can be accessed from two directs Keys compliant with ISO14119 and EN1088 IP67 degree of protection (watertight)