Page 2923 - Din prodcuts 2020

ISL-A 24-48
V aux:*
V control
10
01
07
02
06
04
12
08
03
05
11
09
OUT-NO OUT-C OUT-NC
PE RES+
TEST
PE
-/N
+/L
ISL-C 230
V aux
04
03
02
07
06
08
05
01
11
10
09
PE
TEST
OUT-NO OUT-C OUT-NC
VC
AUX2
AUX1
V aux:
220-240 V a.c.
optional:
100-130 V a.c.
PE
N
Max 230 V L-N
L3
LOADS
L2
L1
ISL-C 440
V aux
04
11
06
12
03
09
08
07
01
05
10
AUX2
AUX1
OUT-NO OUT-C OUT-NC
VC
PE
V aux:
220-240 V a.c.
optional:
100-130 V a.c.
PE
N
Max 400 V L-N
L3
LOADS
L2
L1
ISL-MOT 1000
V aux
07
04
01
08
09
12
06
03
02
11
05
10
PE
OUT-NO OUT-C OUT-NC
VC
AUX1
AUX2
V aux:
220-240 V a.c. AUX1 02 AUX2 RES- TEST INSULATED NETWORK 24-48 V a.c./d.c. 12 RESET LOADS
optional:
100-130 V a.c. C
22/27
PE
Max 700 V L-L N
— L3 LOADS
L2
Quick product references
L1
Protection and safety wiring diagrams
ISL-A 115 and ISL-A 230
A1-NO A1-C A1NC A2-NO A2-C A2NC
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
ISL-A 115 ISL-A 115
ISL-A 230 ISL-A 230
V aux:*
V control
10 k 20 k 30 k 40 k 60 k
40 60 40 60 40 60 40 60 40 60
30 30 30 01 02 03 30 04 05 06 07 08 30 09 10 11 12 13 14 15 16 17 18
20 20 20 V+ V- 20 PE TEST 20 RESET T1-NO T1-C T1NC T2-NO T2-C T2NC
10 10 10 10 10
TEST TEST
10 k 30 k 50 k 100 k 150 k
100 150 100 150 100 150 100 150 100 150
PE
50 50 50 50 50
30 30 30 30 30
10 10 10 10 10
INSULATED NETWORK V d.c. LOADS

MICROSWITCH SETTINGS
10 M 7.5 M 5 M
The front microswitches are used for adjusting the insulation threshold level, enabling the fail-safe function and configuring
10 10 10
0.5
0.5
7.5
7.5 0.5 7.5 the reset mode for both the alarm and trip thresholds.
5 0.2 5 0.2 5 0.2
2.5 0.1 2.5 0.1 2.5 0.1
1 1 1
Microswitches A, B, C, D for programming the trip and alarm thresholds:
ALARM TRIP
2.5 M 300 kW: 1 M A=0, B=0, C=0, D=0 100 kW: A=0, B=0, C=0, D=0
0.5 M
10 10 150 kW: A=1, B=0, C=0, D=0 10 60 kW: A=1, B=0, C=0, D=0
7.5 0.5 7.5 0.5 7.5 0.5
0.2
5 0.2 5 80 kW: A=1, B=1, C=0, D=0 5 40 kW: 0.2 A=1, B=1, C=0, D=0
2.5 0.1 2.5 0.1 2.5 0.1
1 1 50 kW: A=1, B=1, C=1, D=0 1 20 kW: A=1, B=1, C=1, D=0
30 kW: A=1, B=1, C=1, D=1 10 kW: A=1, B=1, C=1, D=1
0.25 M 0.1 M
Microswitch E for configuring the FAIL SAFE mode
10 10
7.5 0.5 7.5 E=0 fail safe mode disabled
0.5
5 0.2 5 0.2
0.1
2.5 0.1 2.5 E=1 fail safe mode enabled
1 1
Microswitch F for configuring the RESET mode
F=0 manual reset
F=1 automatic reset
ALARM k TRIP k
300 A 150 100 A 60
B 80 B 40
C 50 C 20
D 30 D 10
off E F.S. on off E F.S. on
man. F auto man. F auto
RESET RESET
0 1 0 1
22