SIRIUS 3RV2 motor starter protectors
4.9 Accessories
SIRIUS Innovations
440 System Manual, 01/2011, A8E56203870002-03
4.9.12 8US busbar adapter
4.9.12.1 Description
8US 3-phase busbar adapter
To save space when installing the motor starter protectors and to save time and money
when implementing the infeed, busbar adapters are used to attach the motor starter
protectors directly to busbar systems with center-to-center clearance of 60 mm.
The busbar adapters for busbar systems with a center-to-center clearance of 60 mm are
suitable for copper busbars in widths of 12 mm through 30 mm. The busbars can be 5 mm or
10 mm thick.
The motor starter protectors snap onto the adapter and are connected at the input side. This
ready-to-use unit plugs directly onto the busbar systems, thereby taking care of mechanical
fastening and electrical connection at the same time.
Reference
For more information about busbar adapters, see Catalog LV 1.
4.9.12.2 Versions
Busbar systems for 60 mm system
For copper busbars according to DIN 46433:
● Width: 12 mm and 30 mm
● Thickness: 5 mm and 10 mm
● and for T and I special profiles
Rated current Connecting
cable
Adapter length Adapter width Rated voltage Order no. Size
A AWG mm mm V
for motor starter protectors with screw terminals
8US12 51-5DS10 S00 16 12 200 45 690
8US12 51-5NT10 S0 32 10 260 45 690
for motor starter protectors with spring-loaded terminals
8US12 51-5DT11 S00 16 12 260 45 690
8US12 51-5NT11 S0 32 10 260 45 690
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