
TECHNICAL DATA
14
NA20 - Manual - 04 - 2022
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 rectified 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
Residual current input circuit
Relay nominal residual current
I
En
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
Binary input circuits
Quantity
2 or 5 (optional)
Type
optocoupler
Operative range 24...265
V~/-
Min activation voltage
18 V
Max consumption, energized
3
mA
Block input (Logic selectivity)
Quantity 1
Type
polarized wet input (powered by internal isolated supply)
Max consumption, energized
5 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 (
l
= 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
Содержание NA20
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