117 / 158
7
Switch Disconnectors
3NP1 Fuse Switch Disconnectors up to 630 A
Introduction
7/117
Siemens LV 10 · 2014
■
Technical specifications
1)
160 A available in combination with feeder terminal 3NP1923-1BD00,
otherwise max. 100 A
2)
Up to pollution degree 2, above this
U
i
= 690 V.
3)
Only with isolating blades; otherwise, please observe specifications of fuse
manufacturer.
4)
Values are valid when using LV HRC fuse systems with characteristic gG.
If using fuses for semiconductor protection, please refer to the assignment
table,
see page 7/132.
5)
For operation up to 160 A, max. 9W.
Standards
IEC / EN 60947-1, IEC / EN 60947-3, VDE 0660 Part 7
Type
3NP1123...
3NP1133...
3NP1143...
3NP1153...
3NP1163...
Rated uninterrupted current
I
u
A
160
1)
160
250
400
630
For fuse links acc. to IEC 60269-2
Size
000
00 and 000 1 and 0
2 and 1
3 and 2
Conventional free air thermal current
I
th
A
160
160
250
400
630
Rated operational voltage
U
e
• At 50 Hz/60 Hz AC
V
690
690
690
690
690
• With DC (3 conducting paths series-connected)
V
440
440
440
440
440
• With DC (2 conducting paths series-connected)
V
220/240
220/240
220/240
220/240
220/240
• With utilization category AC-20 or DC-20
Max.
V
1000
Rated insulation voltage
U
i
2)
V
1000
1000
1000
1000
1000
Rated impulse withstand voltage
U
imp
kV
8
8
8
8
8
Rated conditional short-circuit current with fuses
(by fast switch on)
Size/A 000/160
00/160
1/250
2/400
3/630
• Rated current at 500 V / 690 V AC
kA
80/80
80/80
80/50
80/50
50/50
• Permissible let-through current of the fuses, peak value
kA
10
15
25
40
50
Short-circuit strength with fuses
(with closed disconnector)
Size/A 000/160
00/160
1/250
2/400
3/630
• Rated current at 500 V / 690 V, rms value
kA
120/120
120/120
120/100
100/100
100/100
• Let-through
I
2
t
value
kA
2
s
56
158
780
2150
5400
• Permissible let-through current of the fuses, peak value
kA
15
23
32
40
60
Rated making capacity
with isolating blades at 500 V AC
kA
2
6
17
17
17
Rated making and breaking capacity
• At AC-21B, 22B, 23B
400 V AC A
160
160
250
400
630
• At AC-21B
500 V AC A
160
160
250
400
630
• At AC-22B
500 V AC A
125
160
250
400
630
• At AC-23B
500 V AC A
40
63
200
315
500
• At AC-21B
690 V AC A
160
160
250
400
630
• At AC-22B
690 V AC A
50
125
250
400
500
• At AC-23B
690 V AC A
25
35
100
125
200
• With DC-21B (2 conduct. paths series-connected) 240 V DC A
160
160
250
400
630
• With DC-22B (2 conduct. paths series-connected) 240 V DC A
100
160
250
400
630
• With DC-23B (2 conduct. paths series-connected) 240 V DC A
80
100
200
250
400
• With DC-21B (3 conduct. paths series-connected) 440 V DC A
100
160
250
400
630
• With DC-22B (3 conduct. paths series-connected) 440 V DC A
50
125
200
315
500
• With DC-23B (3 conduct. paths series-connected) 440 V DC A
25
63
100
160
250
Capacitor switching capacity
At 400 V AC
• Capacitor rating
kvar
50
50
50
50
50
• Rated current
I
n
A
72
72
72
72
72
At 525 V AC
• Capacitor rating
kvar
50
50
50
50
50
• Rated current
I
n
A
55
55
55
55
55
Permissible ambient temperature
3)
°C
-25 ... +55 for operation, -50 ... +80 during storage
Mechanical endurance, operating cycles
2000
2000
1600
1000
1000
Degree of protection (operator side)
W/o molded-plastic masking frame / cable lug cover
IP30 (switch closed) / IP20 (switch open)
With molded-plastic masking frame / cable lug cover
IP40 (switch closed) / IP20 (switch open)
Power loss of switch at
I
th
(plus fuses)
W 9
12
23
34
48
Maximum power loss of the usable fuses (per fuse)
4)
W 7.5
5)
12
23
34
48
Max. conductor cross-section of main conductor connection
Flat terminals
mm
2
Up to 95 (M8) Up to 150
(M10)
Up to 240
(M10)
Up to 300
(M10)
Box terminals
mm
2
1.5 ... 50
6 ... 70
70 ... 185
120 ... 240 150 ... 300
Prism terminals
mm
2
--
35 ... 95
70 ... 150
120 ... 240 150 ... 300
Saddle terminals
mm
2
--
1.5 ... 70
70 ... 120
120 ... 240 150 ... 300
Laminated conductors in box terminal
mm 8 x 8
9 x 8
10 x 20
10 x 32
20 x 32
Rated operational current of auxiliary switch
(at max. 250 V AC)
3NP19...-1FA00 auxiliary switch
A
0.25 (
I
th
= 5 A)
3NP19...-1FB00 auxiliary switch (solid-state compatible)
A
0.1 (
I
th
= 0.1 A)
Permissible mounting positions
Vertical and horizontal (no derating)
© Siemens AG 2014