Accessories
4.8 Residual current devices
3VA molded case circuit breakers with IEC certificate
428 Manual, 03/2019, A5E03603177010-03
Loadside residual current device Basic RCD520B
Front view of the Basic RCD520B
Circuit breaker
Maximum rated operational current, rated
operational voltage and frequency
Type designation and standard
Transparent protective cover over setting
buttons
Approvals
Selection slide switch for
MONITORING / RCD mode
LED: ACTIVE, pre-alarm and MONITORING
Button for setting tripping characteristic type
B / type B+
Knowledge Manager
Setting button for response current
Rated insulation voltage and rated impulse
strength
Setting button for delay time
Location and date of manufacture
Test button (test device)
Device type
RESET button / tripped display
Product version
Auxiliary contacts
Article number
Contact hazard protective cover over main
current paths with sealing option
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