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DMC3S - Manual - 08 - 2021
The criteria can be used separately or together at the user's discretion, depending on his selected
maintenance schedule.
All the above parameters, as well as the mapping of output relays and LEDs, are available in the
menu
Set \ Breaker monitoring \ Breaker diagnostics
.
tbreak-K
tbreak-L
TR
IP
PI
NG M
AT
RI
X
(LE
D+R
EL
AY
S)
TR
IP
PI
NG M
AT
RI
X
(LE
D+R
EL
AY
S)
t
break
State SumI
From CB position
N.Open-K
N.Open-L
TR
IP
PI
NG M
AT
RI
X
(LE
D+R
EL
AY
S)
State N.Open
Opening transition
Opening transition
Opening transition
≥
N.Open
≥
N.MnvLoad
Mode-N.Open
&
From CB position
Opening transition
≥
Mode-tOpen
Ktrig-break
&
I
CB
≥
MnvLoad>
MnvLoad>
ModeN.MnvLoad
&
&
From CB position
SumIL3
SumIL2
SumIL1
Opening transition
≥
Sum I
SumI
SumI-K
SumI-L
TR
IP
PI
NG M
AT
RI
X
(LE
D+R
EL
AY
S)
State SumI
ModeSumI
&
I
L2
∑
I
L1
I
Max
Max
∑
I
∑
I
I
L3
From CB position
TR
IP
PI
NG M
AT
RI
X
(LE
D+R
EL
AY
S)
State SumI
≥
N.MnvLoad
I
CB
≤
MnvLoad>
MnvLoad>
ModeN.MnvLoad
&
&
From CB position
State tbreak
SumI^2t-K
SumI^2t-L
Mode-SumI^2t
TR
IP
PI
NG M
AT
RI
X
(LE
D+R
EL
AY
S)
State SumI^2t
From CB position
SumIL3^2t
SumIL2^2t
SumIL1^2t
Opening transition
≥
Sum I^2t
Sum I^2t
&
I
L2
∑
I
L1
I2t
∑
I2t
∑
I2t
Max
Max
I
L3
Breaker diagnostics - maximum opening time
Breaker diagnostics - opening count
Breaker diagnostics - command under load count
Breaker diagnostics - command no load count
Breaker diagnostics - sum of interrupted energy
Breaker diagnostics - sum of interrupted currents
