Technical information

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1SDC210033D0202
Ekip G-LS/I
Protection function Trip threshold Trip curve
(1)
Excludability Relation Thermal
memory
Against overloads with
inverse long-time delayed
tripping according to
IEC 60947-2 standard
Manual setting:
I
1
= 0.4...1xIn step 0.04
Tolerance:
trip between 1.05…1.3xI
1
(IEC 60947-2)
Manual setting:
t
1
= 3-6s at I = 3xI
1
Tolerance: ±10% up to 4xIn
±15% from 4xIn
– t = k/l
2
Yes
Against short-circuit with
indipendent time delay trip
Manual setting:
I
2
= 1-1.5-2-2.5-3-3.5-4.5-5.5-
6.5-7-7.5-8-8.5-9-10xIn
Tolerance: ±10% up to 2xIn
±20% from 2xIn
t
2
= 0.05-0.075-0.1-0.2s
Tolerance:
±20% t
2
)0.075
Yes t = k –
Against short-circuits with
adjustable threshold and
istantaneous trip time
Manual setting:
I
3
= 1-1.5-2-2.5-3-3.5-4.5-5.5-
6.5-7-7.5-8-8.5-9-10xIn
Tolerance: ±10%
)20ms Yes t = k –
Test connector
Power-on LED
L, S, I protection LED
Dip switch for the trip curve selection
Dip switch for LS/I protection function setting
Dip switch for the selection between S protection
function or I protection function
(1)
Tollerances in case of:
– self-powered trip unit at full power;
– 2 or 3 phase power supply.
In conditions other than those considered, the following tollerance hold:
Protection Trip threshold Trip time
L
release between 1.05 and 1.3 x I
1
±20%
S
±10% ±20%
I
±15% )60ms
Slot for lead seal
Circuit-breakers for generator protection
Main characteristics
±10% t
2
>0.075