Accessories
4.8 Residual current devices
3VA molded case circuit breakers with IEC certificate
452
Manual, 03/2019, A5E03603177010-03
4.8.2.4
Loadside residual current device Advanced RCD820
The "Advanced" residual current devices of type RCD820 are available as an accessory for
3VA2 molded case circuit breakers.
Front view of Advanced RCD820
①
Circuit breaker
⑪
Product version
②
Auxiliary contacts
⑫
Article number
③
Type designation
⑬
Maximum rated operational current, rated
operational voltage and frequency
④
LED: ACTIVE, communication, pre-alarm
⑭
Setting button for response current
⑤
Tripped display
⑮
Transparent protective cover over setting
buttons
⑥
Knowledge Manager
⑯
Test button (test device)
⑦
Setting button for delay time
⑰
Approval
⑧
Rated insulation voltage and rated impulse
strength
⑱
Standard
⑨
Location and date of manufacture
⑲
RCD-to-ETU connecting cable
⑩
Device type
⑳
Contact hazard protective cover over main
current paths with sealing option