ABB Tmax RC221 - RC221;RC222 Operation Indicators; LED Status and Current Settings

S
T
LED : light fixed => PreAlarm
LED : blinking => Alarm
IΔn: 1) 0,03 A => Δt = 0 s ONLY.
2) 0,05 ÷ 10 A => Δt = 0÷3 s max
IΔn => 0,03 ÷ 3 A
RC 222
RC 221