Siemens UL 1066 Operating Instructions Manual page 327

Low voltage power circuit breaker
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4
I
t
Delay time-current relationship based on formula I
I-tripping
Instantaneous tripping (short-circuit)
I
Operating value for load shedding
ab
I
Operating value for load restore
an
I
Rated operational short-circuit breaking capacity
cs
I
Rated ultimate short-circuit breaking capacity
cu
I
Rated short-time withstand current
cw
ID
Identification number
IEC
International Electrotechnical Commission
I
Current setting value for G-tripping
g
I
Current setting value for I-tripping
i
I
Single-pole short-circuit test current (IT systems)
IT
I
Current setting value for N-tripping
N
I
Rated current (value of rating plug)
n
I
Max. possible rated current
n max
I
Current setting value for L-tripping
R
I
Current setting value for S-tripping
sd
L1
Phase 1
L2
Phase 2
L3
Phase 3
L-tripping
Long-time delayed tripping (overload)
LED
Light emitting diode
M
Motor
MOC
Mechanism Operated Auxiliary Conntacts
N
Neutral pole
NC
Normally closed contact
NO
Normally open contact
N-tripping
Neutral (overload) tripping
PIDG
Ring lug style (Trademark of AMP)
PZ 3...6
Crimping tool (Weidmüller GmbH)
S
Circuit breaker
1/2/3
S1
Contact position-driven auxiliary switch
S10
Switch Electrical Closed
S11
Motor cut-off switch
S12
Motor disconnect switch
S13
Cut-off switch for remote reset
S14
Cut-off switch for shunt trip F1 (fast operation)
S15
Cut-off switch for closing coil CC (fast operation)
S2
Contact position-driven auxiliary switch
S20
Signaling switch for "ready-to-close"
S21
Signaling switch for "closing spring charged"
S22
Signaling switch for 1st shunt trip
(mechanical interlocking module)
1/2/3
4
t = constant
25 – 2

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