Siemens SENTRON 3WL10 Manual page 131

IP54 protective cover
The transparent protective cover protects the complete front face of the circuit breaker. In
this way, degree of protection IP 54 is achieved.
The protective cover is equipped with two locks. The locks are available in two versions:
● Same lock number: The locks can be opened with the same key.
● Different lock numbers: Each lock has its own key; both keys are required to open the
protective cover.
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
Accessories
3.5 External accessories
129