Siemens SENTRON 3KF LV HRC, Руководство пользователя

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Technical specifications
3KF switch disconnectors with fuses
110
Manual, 09/2019, L1V30580914002A-01
Regulations IEC 60947-1, IEC 60947-3, VCE 0660 Part 107
Size 1 2 3 4 5
Let-through current
I
c
combined with fuse
4)
•
At 400 / 500 V AC
• At 690 V AC
kA
kA
10.4
11.2
18.2
16.87
28.7
30.31
39.4
41.14
58.5
49.95
Let-through
I
2
t
value combined with fuse
4)
• At 400 / 500 V AC
•
At 690 V AC
kA²s
kA²s
33.2
40.7
150.6
69.64
437.0
490.1
1205
1300
4100
2050
Let-through current I
c
of usable fuses, max.
• At 400 / 500 V AC
•
At 690 V AC
kA
kA
11.8
11.5
18
25.5
33.7
37.7
37.1
47
77.4
65
Let-through
I
2
t
value of usable fuses, max.
•
At 400 / 500 V AC
•
At 690 V AC
kA²s
kA²s
34
55
223
360
1500
940
2150
2600
10400
7000
Power loss per pole of the switch at
I
th
(plus fuses)
W
0.4
1.7
208
4.2
7.2
15
26
40
50
Maximum power loss of the usable fuses (per
fuse)
•
For 3KF LV HRC
• For 3KF SITOR
W
W
6.5
7
7.5
8
8.5
12
11
20
12
26
25.5
36
34
55
48
68
60
85
Service life, operating cycles
• Mechanical
•
Electrical, at AC-23A, 690 V / 50 … 60 Hz
• Electrical, at AC-23A, 440 V / 50 … 60 Hz
•
Electrical, at DC-23A, 440 V
15000
6000
10000
1500
12000
5000
8000
1000
10000
4000
5000
8000
2000
3000
6000
1000
1500
500
Degree of protection (operator side)
Degree of protection for 3KF LV HRC
• With masking plate or cable connection
cover
•
Without masking plate or terminal cover
IP20
IP20
IP00
Degree of protection for 3KF SITOR
• With masking plate or cable connection
cover
IP00
Ambient conditions
•
Ambient temperature during operation
• Ambient temperature during storage
•
Mounting position
°C
°C -25 … +70
-50 … +80
Any