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ALPHA 8HP Molded-Plastic Distribution Systems
Single Enclosures
Enclosures with main and
EMERGENCY-STOP switches, 63 A to 800 A
9/23
Siemens ET A1 · 10/2008
* You can order this quantity or a multiple thereof.
9
■
Technical specifications
Rated operational current in different ambient conditions for
3KA and 3KE switch disconnectors
Up to 55 °C, the 3KA switch disconnectors can be loaded to the
specified rated operational current.
■
Selection and ordering data
For accessories, see page 9/28 ff.
Type
35 °C
A
40 °C
A
45 °C
A
50 °C
A
55 °C
A
3KE43
400
385
375
360
350
3KE44
630
610
585
560
535
3KE45
800
770
740
700
680
Version
DT Order No.
Price
per PU
PU PS*/
P. unit
PG
Unit(s) Unit(s)
Complete enclosures with main and EMERGENCY-STOP switches
8HP2 705
Main switches
• Handle: black
• Display plate: light gray
Enclosure size
Switch
disconnectors
Rated operational current
I
n
in A
2
3KA50
63
C
8HP2 705
1
1
046
3KA52
125
C
8HP2 707
1
1
046
3KA53
160
C
8HP2 714
1
1
046
3KE42
250
C
8HP2 732
1
1
046
3KA57
400
C
8HP2 716
1
1
046
3KE43
400
C
8HP2 734
1
1
046
3
3KA53
160
C
8HP2 711
1
1
046
3KA55
250
C
8HP2 712
1
1
046
3KE42
250
C
8HP2 733
1
1
046
3KA57
400
C
8HP2 717
1
1
046
3KE43
400
C
8HP2 735
1
1
046
3KA58
630
C
8HP2 718
1
1
046
3KE44
630
C
8HP2 736
1
1
046
3KE45
800
C
8HP2 738
1
1
046
EMERGENCY-STOP switches
• Handle: red
• Display plate: yellow
Enclosure size
Switch
disconnectors
Rated operational current
I
n
in A
2
3KA50
63
C
8HP2 742
1
1
046
3KA52
125
C
8HP2 747
1
1
046
3KA53
160
C
8HP2 744
1
1
046
3KE42
250
C
8HP2 752
1
1
046
3KA57
400
C
8HP2 746
1
1
046
3KE43
400
C
8HP2 754
1
1
046
3
3KA53
160
C
8HP2 748
1
1
046
3KA55
250
C
8HP2 761
1
1
046
3KE42
250
C
8HP2 753
1
1
046
3KA57
400
C
8HP2 762
1
1
046
3KE43
400
C
8HP2 755
1
1
046
3KA58
630
C
8HP2 763
1
1
046
3KE44
630
C
8HP2 756
1
1
046
3KE45
800
C
8HP2 758
1
1
046
© Siemens AG 2008
