Technical information

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1SDC210033D0202
Circuit-breakers for power distribution
Electronic trip units
Ekip E-LSIG
Protection function Trip threshold Trip curve
(1)
Excludability Relation Thermal
memory
Against overloads with
long inverse time delay trip
according to IEC 60947-2
Manual setting:
I
1
= 0.4...1xIn step 0.04
Tolerance: trip between
1.05…1.3 I
1
(IEC 60947-2)
Manual setting:
t
1
= 12-36s
at I=3xI
1
Tolerance: ±10% up to 4xIn
±20% from 4xIn
– t = k/l
2
–
Electronic setting:
I
1
= 0.4...1xIn step 0.01
Tolerance: trip between
1.05…1.3 I
1
(IEC 60947-2)
Electronic setting:
t
1
= 3...60s
at I=3xI
1
step 0.5
Tolerance: ±10% up to 4xIn
±20% from 4xIn
– t = k/l
2
Yes
Against short-circuits
with inverse short (t=k/I
2
)
or indipendent (t=k) time
delay trip
Manual setting:
I
2
= OFF 3-6-9
Tolerance: ±10%
Manual setting:
t
2
= 0.10-0.20s
at 10xIn
Yes t = k –
Electronic setting:
I
2
= 1...10xIn step 0.1
Tolerance: ±10%
Electronic setting:
t
2
= 0.05...1s
at 10xIn step 0.01
Tolerance: ±10% up to 4xIn
±20% from 4xIn
Yes t = k/l
2
–
Electronic setting:
I
2
= 1...10xIn step 0.1
Tolerance: ±10%
Electronic setting:
t
2
= 0.05...0.4s step 0.01
Tolerance: ±10% up to 4xIn
±20% from 4xIn
Yes t = k/l
2
–
Against short-circuits with
adjustable threshold and
instantaneous trip time
Manual setting:
I
3
= OFF 1-3-4-7-9-10
Tolerance: ±20%
)40ms Yes t = k –
Electronic setting:
I
3
= 1...10xIn step 0.1
Tolerance: ±10%
)40ms Yes t = k –
Against earth fault with
independent time delay
trip
(2)
Electronic setting:
I
4
= 0.2...1xIn step 0.02
Tolerance: ±10%
Electronic setting:
t
4
= 0.1...0.8s step 0.05s
Tolerance: ±15%
Yes t = k/l
2
–
UV
Standard
adjustable constant time
Electronic setting:
U
8
= 0.5...0.95xUn step=0.01xUn
Tolerance: ±5%
Electronic setting:
t
8
= 0.1...5s step 0.1s
Tolerance: min (±20% ±100ms)
Yes t = k –
OV
Against overvoltage
with adjustable constant
time
Electronic setting:
U
9
= 1.05...1.2xUn step=0.01xUn
Tolerance: ±5%
Electronic setting:
t
9
= 0.1...5s step 0.1s
Tolerance: min (±20% ±100ms)
Yes t = k –
Test connector
Power-on LED
(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
G
±15% ±20%
(2)
Protection G is inhibited for currents higher than 2 In.
L, S, I protection LED
LED for Electronic/Manual setting
Setting MAN/ELT
Tolerance: ±15% t
2
>100ms
±20% t
2
)100ms