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ALPHA 400 - DIN Wall-Mounted Distribution Boards
Introduction
3/5
Siemens ET A1 · 10/2008
3
■
Technical specifications
1)
Further RAL colors are available on request.
2)
Busbar support distance: 400 mm, Cu busbar 30 mm × 10 mm.
Cabinet dimensions
Overvoltage category
III
Rated impulse withstand voltage U
imp
in kV
6
Clearance and creepage distances
DIN VDE 0110
Rated insulation voltage U
i
in V
690
Rated operational voltage U
e
in V AC/DC
690
Rated voltage U
n
(40 Hz ... 60 Hz AC) in V
690 for built-in devices
Rated current in A
Up to 400
Rated peak short-circuit current
I
pk
in kA
Up to 61.3 (3-pole)
2)
, conduction interval of 30 ms
Rated short-time current
I
cw
in kA
20, conduction interval of 1 s
Protective measures
Safety class 1 (protective conductor connection)
Safety class 2 (total insulation)
Number of conductors within the busbar run
4/5
Degree of protection acc. to EN 60529
Surface mounting: IP43 with door, IP55 with door
Flush mounting: IP31 with door and integrated masking frame
Standard mounting rail tier spacing per standard mounting rail tier in mm 125/150
Modular width (MW)
18 mm, 12 MW + 1 mountable MW
Pollution degree
3
Ambient temperature in °C
35 (24-h average value)
Relative air humidity in %
50 at 40 °C
Test specifications
EN 60439-1/3 (VDE 0660 Part 500/504), DIN VDE 0603-1
Enclosures
Sheet steel
Mounting dimensions
DIN 43870
Surface
Electrogalvanized and powder-coated
Color
• Enclosure
1)
• Covers
RAL 9016 (traffic white)
RAL 7035 (light gray)
Locking system
Rotary handle which may be replaced by other locking systems on request
Packing material
Shock-proof, environmentally-compatible
Surface-mounting
distribution boards
(external dimensions)
Flush-mounting distribution boards
with integrated masking frame
(external dimensions)
Recess dimensions
for flush-mounting distribution board
Depth 210 mm
Depth 210 mm
Depth 215 mm
Height
Width
Height
Width
Height
Width
mm
mm
mm
mm
mm
mm
650
300
550
800
1050
1300
--
--
--
--
800
300
550
800
1050
1300
858
358
608
858
1108
1358
860
360
610
860
1110
1360
950
300
550
800
1050
1300
1008
358
608
858
1108
1358
1010
360
610
860
1110
1360
1100
300
550
800
1050
1300
1158
358
608
858
1108
1358
1160
360
610
860
1110
1360
1250
300
550
800
1050
1300
1308
358
608
858
1108
1358
1310
360
610
860
1110
1360
1400
300
550
800
1050
1300
1458
358
608
858
1108
1358
1460
360
610
860
1110
1360
© Siemens AG 2008
