This is a Mondial Elite fridge door lock & key. The cylinder diameter measures 19x20mm.
Fits Ilsa Models 1200EBT, 1200ETN, 1200UBT, 1200UTN, 1200ZBT, 1200ZTN, 1203ZBT, 1203ZTN, 1204ZBT, 1204ZTN, 1400EBT, 1400ETN, 1400UBT, 1400UTN, 1400ZBT, 1400ZTN, 1403ZBT, 1403ZTN, 1404ZBT, 1404ZTN, 600EBT, 600ETN, 600UBT, 600UTN, 600ZBT, 600ZBTP, 600ZTN, 600ZTNP, 602ZBT, 602ZTN, 700EBT, 700ETN, 700UBT, 700UTN, 700ZBT, 700ZBTP, 700ZTN, 700ZTNP, 702ZBT, 702ZTN, AE070001, AE070002, AE070003, AE070004, AE070005, AE070008, AE070009, AE070010, AE071001, AE071010, AE140001, AE140002, AE140003, AE140004, AE140005, AE140006, AE140007, AE140008, AE140009, AE140010, AE141001, AE141002, AE141003, AE141004, AE141007, AE141008, AE141010, AE141026, AEFL0001, AEFL0003, AEFL0004, AEFL2002, AEPA0001, AEPA0002, AEPA1001, AH140009, AHGE0001, AHGE0002, AHPA0001, AHPA0002, AHPA0006, AHPA1001, AHPA1002, AHPA2001, ARA0001, ARA0002, ARA0003, ARA0004, ARA0005, ARA0007, ARA0008, ARP0001, ARP0002, ARP0003, ARP0004, ARP0005, ARP0006, ARP0007, ARP0008, ARP0009, ARP0010, ARP0011, ARP0012, ARP0013, ARP0017, ARP0018, ARP0021, ARP0026, ARP0027, ARP0028, ARP0029, ARP0030, ARP0031, ARU0001, ARU0002, ARU0003, ARU0004, ARU0005, ARU0006, ARU0007, ARU0008, ARZ0001, ARZ0002, ARZ0003, ARZ0004, ARZ0005, ARZ0006, ARZ0007, ARZ0008, ARZ0012, ARZ0013, ARZ0014, ARZ0015, ARZ0016, ARZ0019, ARZ0020, ARZ0023, ARZ0024, ARZ0027, ARZ0028, ARZ0031, ARZ0032.