ALPHA Distribution Boards and Terminal Blocks

© Siemens AG 2010
ALPHA 8HP Molded-Plastic Distribution Systems
Single Enclosures
Enclosures with main and
EMERGENCY-STOP switches, 63 A ... 800 A
■ Technical specifications
Rated operational current in different ambient conditions for
3KA and 3KE switch disconnectors
Type 35 °C
A
3KE43 400 385 375 360 350
3KE44 630 610 585 560 535
3KE45 800 770 740 700 680
Up to 55 °C, the 3KA switch disconnectors can be loaded to the
specified rated operational current.
■ Selection and ordering data
40 °C
A
45 °C
A
50 °C
A
55 °C
A
8
For accessories, see page 8/27 ff.
Version DT Order No. Price
per PU
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 e in A
PU
Unit(s)
PS*/
P. unit
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
Unit(s)
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 e 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
PG
8/22 Siemens ET A1 · 10/2009
* You can order this quantity or a multiple thereof.