Siemens 3VA1 100 A Manual page 327

Sealable protective covers of the residual current device
①
②
Transparent protective cover over setting buttons
In order to prevent unauthorized access to the setting buttons for I
cover over the settings buttons can be optionally sealed.
Contact hazard protective cover over main current paths and auxiliary contacts including
sealing option
After the residual current device RCD320 or RCD520 has been mounted on the 3VA1
molded case circuit breaker, a contact hazard protective cover is installed over the main
current paths to protect against direct contact. This cover can be sealed optionally in order to
block any attempt to dismantle the residual current device from the molded case circuit
breaker.
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02
Contact hazard protective cover over main current paths and auxiliary contacts
Transparent protective cover over setting buttons
Accessories
4.8 Residual current devices
and Δt, the transparent
Δn
327