ALPHA Distribution Boards and Terminal Blocks

© Siemens AG 2010
ALPHA 630 - DIN Floor-Mounted Distribution Boards
Introduction
■ Technical specifications
4
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 630
Rated peak short-circuit current I pk in kA Up to 76 (3-pole) 2)
Rated short-time current I cw in kA
34, 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
IP43 with door, IP55 with door (with matching flanges)
Standard mounting rail tier spacing per standard mounting rail tier in mm 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)
Enclosures
Sheet steel
Mounting dimensions DIN 43870
Surface
Electrogalvanized and powder-coated
Color 1)
RAL 7035 (light gray)
Locking system
3-point locking with integrated espagnolette lock
(can be replaced with other locking systems if required)
Packing material
Shock-proof, environmentally-friendly
1) Further RAL colors are available on request.
2) Busbar support distance: 250 mm, Cu busbar 30 mm × 10 mm.
Cabinet dimensions
Cabinet
(external dimensions)
Height Width Depth
mm mm mm
1950 with base (100 mm) 300
210
550
800
1050
1300
1950 with base (100 mm) 300
250
550
800
1050
1300
1950 with base (100 mm) 300
550
800
1050
1300
320
4/4 Siemens ET A1 · 10/2009