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ABB i-bus
®
KNX
Product overview
3
Product overview
3.1
Device description
The KNX Power Supply SU/S 30.640.2 provides the system voltage (SELV) for KNX components.
ABB offers a range of matching KNX power supplies. In addition to the standard devices, devices with
diagnostic or bus-monitoring functions are available for more complex applications. The SU/S 30.640.2 is
the uninterruptible battery backed-up KNX power supply.
All ABB KNX power supplies have an integrated choke.
The device is a modular installation device (MDRC) in pro M design. With a module width of 8 division
units (DU), the device is designed for installation in distribution boards on a 35 mm mounting rail.
The connection to the
After connecting the mains voltage, the unit is ready for operation.
3.2
Product name description
Abbreviation
S
U
/S
X
X
X
Tab. 2: Product name description
3.3
Ordering details
Description
Uninterruptible KNX Power
Supply, 640 mA
Tab. 3: Ordering details
3.4
Connections
3.4.1
Inputs
•
•
3.4.2
Outputs
•
•
ABB i-bus
®
KNX is established via a bus connecting terminal on the front.
Description
Power Supply
Uninterruptible
MDRC
30
= Bus voltage (V)
640
= Bus current (mA)
2
= Version number (x = 1, 2, etc.)
MW
8
Mains connection
Battery connection including temperature sensor
Floating changeover contact
Bus connection
Type
Order no.
SU/S 30.640.2
2CDG110275R0011
Packaging
unit [pcs.]
1
SU/S 30.640.2 | 9AKK107992A4580_EN Rev. A 9
Weight
1 pc.
[kg]
0.398
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