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ALPHA Modular Distribution Boards up to 1600 A
Introduction
6/2
Siemens ET A1 · 10/2008
6
■
Overview
■
Benefits
• Modular components for manifold distribution board combina-
tions for stand-alone or side-by-side mounting
• High quality standards and safety standards
• Flexible application with a wide range of assembly kits and
accessories
• Easy mounting thanks to modular component system
• Safe contacting thanks to grounding concept with self-tapping
screws
• The right version for any requirement
• Easy planning and configuration
• Attractive design
■
Application
The stand-alone and modular distribution boards comply with
the relevant regulations.
They can be used as main distribution boards and
sub-distribution boards in:
• Administrative and non-residential buildings
• Industrial and commercial buildings
• Public buildings, e.g. schools and hospitals
• They can also be used as control cabinets for heating
ventilation, electronics and communication.
■
Technical specifications
Environmental aspects
The plastics used can be recycled. The colors used are solvent,
cadmium and lead free.
Internal partitions (separations)
Partitions increase operator safety and offer protection against
ingressing foreign solid bodies from adjoining units.
ALPHA modular distribution boards
Page
Surface-
mounting
distribution
boards
Flush-
mounting
distribution
boards
Rated
current
Cabinet
depth
Safety class Degree of
protec-
tion
A
mm
1
2
Unequipped distribution
board, pre-assembled
6/3
✔
--
1600
400 / 600
✔
--
IP55
Overvoltage category in V
1000/III
Rated impulse withstand voltage
U
imp
in kV
8
Clearance and creepage distances DIN VDE 0110
Rated insulation voltage U
i
in V
1000
Rated operational voltage U
e
in V
690
Rated current in A
1600, main busbars
Short-circuit strength
Main busbars
•
I
pk
in kA
Up to 143
•
I
cw (1 s)
in kA
Up to 65
Protective measures
Safety class 1
(protective conductor connection)
Number of conductors in the
busbar run
3, AC
4, AC
2 and 3, DC
Degree of protection acc. to
EN 60529
IP55, with protection cover against
contact and sealed door
IP30, with shock protection cover,
without door
Pollution degree
3
Ambient temperature in °C
35 (24-h average value)
Relative air humidity in %
50 at 40 °C
Altitude in m
Max. 2000 (above sea level)
Enclosures
Racks and doors of 2 mm sheet
steel
Mounting dimensions
DIN 43870
Surface of metal parts
Electrogalvanized and powder-
coated
Color
RAL 7035 light gray,
(further RAL colors available on
request)
Locking system
2/4-point locking with integrated
espagnolette lock and double-bit
lock 3-mm pin
© Siemens AG 2008
