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NC20 - Manual - 01 - 2015
TECHNICAL DATA
3.2 INPUT
CIRCUITS
Auxiliary power supply Uaux
Voltage
Nominal value (range)
24...48 V~/-
115...230
V~/110...220
V-
Operative range (each one of the above nominal values)
19...60 V~/-
85...265
V~/75...300
V-
Inrush current (max)
24 V-
6 A, 5 ms
48 V-
14 A, 5 ms
110 V-
20 A, 1 ms
230 V~
50 A, 1 ms
Frequency (for alternate voltage supply)
45...66 Hz
Max distortion factor ( for alternating voltage supply)
15%
Max alternating component (for dc voltage supply):
Full wave rectifi ed sine wave
100 %
Sine wave
80 %
Power consumption:
Maximum (energized relays, Ethernet TX)
10 W (20 VA)
• Maximum (energized relays, Ethernet FX)
15 W (25 VA)
Phase current input circuits
Relay nominal phase current
I
n
1 A or 5 A selectable by dip-switch
Permanent
overload
25
A
Thermal overload (1 s)
500 A
Dynamic overload (half cycle)
1250 A
Rated consumption (for any phase)
≤
0.002 VA with
I
n
=1 A
≤
0.04 VA with
I
n
=5 A
Unbalance neutral current input circuit
Relay nominal unbalance nominal current
I
Nn
1 A or 5 A selectable by dip-switch
Permanent
overload
25
A
Thermal overload (1 s)
500 A
Dynamic overload (half cycle)
1250 A
Rated consumption
≤
0.006 VA with
I
En
=1 A
≤
0.12 VA with
I
En
=5 A
Voltage input circuits
Relay nominal voltage
U
n
50...130
V
(
U
R
= 100 V)
Permanent
overload
1.3
U
R
Thermal overload (1 s)
2
U
R
Rated consumption (for any phase)
≤ 0.5 VA
Binary input circuits
Quantity 2
Type
optocoupler
Operative
range 24...265
V~/-
Min activation voltage
U
DIGmin
18
V
Max consumption, energized
I
DIG
3
mA
3.3 OUTPUT
CIRCUITS
Relays
Quantity 6
Type of contacts K1, K2
changeover (SPDT, type C)
Type of contacts K3, K4, K5
make (SPST-NO, type A)
Type of contacts K6
break (SPST-NC, type B)
Nominal
current 8
A
Nominal voltage/max switching voltage
250 V~/400 V~
Breaking capacity:
Direct current (L/R = 40 ms)
50 W
Alternating current (
λ
= 0,4)
1250 VA
Make 1000
W/VA
Short duration current (0,5 s)
30 A
Minimum switching load
300 mW (5 V/ 5 mA)
Life:
Mechanical
10
6
operations
Electrical
10
5
operations
Block output (Logic selectivity)
Quantity
1
Type
optocoupler
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