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ALPHA FIX Terminal Blocks
Combination Plug-In Terminals
Support rails/protective conductor busbars
13/28
Siemens ET A1 · 10/2008
13
■
Technical specifications
1)
Cross-sections calculated according to IEC 60439-1 / EN 60439-1 / EN 60439-1 / VDE 0660 Part 500.
2)
Steel protective conductor busbars are not permissible for PEN function.
Support rail type
Excerpt from IEC 60947-7-2/EN 60947-7-2/
VDE 0611 Part 3
Width Height Thick-
ness
Perforation
type
Material
Surface
Rail profile
Short-circuit
strength
(Cu conductor)
Short-time
withstand
current, 1 s
Max. permissi-
ble thermal
rated current at
PEN function
mm mm mm
mm²
1)
kA
A
35 7.5 1.5 Non-
perforated
Steel
Chromated Standard mounting rail, acc. to
EN 60715 – 35 x 7.5
16
1.92
1)
35 7.5 1.5 Perforated Steel
Chromated Standard mounting rail, acc. to
EN 60715 – 35 x 7.5
16
1.92
2)
35 7.5 1.5 Non-
perforated
Steel
Galvanized Standard mounting rail,
dimensions acc. to EN 60715 –
35 x 7.5
16
1.92
2)
35 7.5 1.5 Perforated Steel
Galvanized Standard mounting rail,
dimensions acc. to EN 60715 –
35 x 7.5
16
1.92
2)
35 7.5 1.5 Non-
perforated
V2A high-grade
steel
Chromated Standard mounting rail,
dimensions acc. to EN 60715 –
35 x 7.5
16
1.92
2)
35 7.5 1.5 Non-
perforated
Copper
Chromated Standard mounting rail,
dimensions acc. to EN 60715 –
35 x 7.5
50
6.0
150
35 7.5 1.5 Non-
perforated
Aluminum Chromated Standard mounting rail,
dimensions acc. to EN 60715 –
35 x 7.5
35
4.2
125
35 15 2.3 Non-
perforated
Steel
Chromated Standard mounting rail, acc. to
EN 60715 – 35 x 15
50
6.0
2)
35 15 1.5 Non-
perforated
Steel
Chromated Standard mounting rail, similar
to EN 60715 – 35 x 15
35
4.2
2)
35 15 1.5 Perforated Steel
Chromated Standard mounting rail, similar
to EN 60715 – 35 x 15
35
4.2
2)
35 15 1.5 Non-
perforated
Steel
Galvanized Standard mounting rail, similar
to EN 60715 – 35 x 15
35
4.2
2)
35 15 1.5 Perforated Steel
Galvanized Standard mounting rail, similar
to EN 60715 – 35 x 15
35
4.2
2)
35 15 1.5 Non-
perforated
Copper
Chromated Standard mounting rail, similar
to EN 60715 – 35 x 15
95
11.4
232
35 15 1.5 Non-
perforated
Aluminum Chromated Standard mounting rail, similar
to EN 60715 – 35 x 15
70
8.4
192
© Siemens AG 2008
