3SU1000-5BF21-0AA0-Z Y01 SIEMENS3SU10005BF210AA0ZY01

Keyswitch Siemens, C, 22 mm, round, plastic, special lock, with 2 keys, 2 switch positions O-I, latching, actuating angle 90°, 10:30h/13:30h, key removal I