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Safe Identification

Please see below list of prefix codes, listing Chubb’s popular cash safes over the last 30 years.

The prefix code can be located on the safes plague found on inside of the safes door and is the first character detailed.

Please note: if you don’t have access to the inside of the safe there maybe other distinguishable markings on the exterior of the safe including the serial number. If you are unable to find the prefix code or serial number, we are unable to assist any further. Therefore please contact ChubbSafes UK Distribution partner direct for further assistance email ChubbSafes UK Distribution Partner



Serial number on some Chubb safes is displayed externally bottom of safe.



Safe makes like Dudley display model number on the top face of the external hinge and on the handle.


Chubb cash safes Prefix Identification chart.

Prefixed Codes Model Cash Rating
S STAFFORD  1
HT HERITAGE 1
SDD VIPER ELITE 1
TZ or TY LICHFIELD  3
V1 DUPLEX MINOR 6
V2 DUPLEX MAJOR 4
SDB COBRA ELITE 4
L or VZ LEAMINGTON  5
VX LEAMINGTON MK II 6
SMF EUROSAFE GRADE 0 6
LZ RENOWN 10
P COMMERCE EDR 10
SZ or ZZ CONQUEROR 10
SMA EUROSAFE GRADE 1 10
SMG EUROSAFE GRADE 1 MK II 10
PZ CASTELLE 17.5
X TDR COFFER 17.5
RZ COMMERCE EUROSAFE 17.5
R VANGUARD 17.5
SMB GRADE 2 17.5
A STANDARD TDR 17.5
MZ RESOLUTE 35
SMC GRADE 3 35
T TRIDENT 60
XZ BANKERS II 60
SMD GRADE 4 60
U BANKERY TREASURY 100
UZ TREASURY MK II 100
SME GRADE 5 100
QZ SOVEREIGN 150
WZ FINANCIER 150