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Safety
Rating
Mechanical
Information
Data
Installation
4.
Electrical Installation
Always apply control voltage before (or with) mains voltage.
WARNING
Always follow the specified tightening torque for all power and ground terminal connections.
WARNING
For specifications and detailed technical data, see Technical Data on page 85.
4.1
Terminal layout
4.1.1
Power input and output configurations
Internally bypassed models
Models D3-1x-0023-B to D3-1x-0220-B have power inputs at the top of the unit and outputs at the bottom of the unit.
Internally bypassed models D3-1x-0255-B to D3-1x-0425-B have output busbars at the bottom of the unit and input busbars at both
the top and bottom of the unit. The AC supply can be connected 'Top in, Bottom out' or 'Bottom in, Bottom out'.
Internally bypassed models D3-1x-0500-B to D3-1x-1000-B have input and output busbars at the top and bottom of the unit. The AC
supply can be connected 'Top in, Bottom out', 'Top in, Top out', 'Bottom in, Bottom out' or 'Bottom in, Top out'.
Figure 4-1 Power input and output terminals (D3-1x-0023-B to D3-1x-1000-B)
D3-1x-0023-B to
D3-1x-0145-B to
D3-1x-0105-B
D3-1x-0220-B
1/L1, 3/L2, 5/L3
1/L1 3/L2 5/L3
1/L1
Ready
Run
M
Tri p
Local
LCL
Reset
F 1
F 2
RMT
2/T1, 4/T2, 6/T3
2/T1
2/T1 4/T2 6/T3
D3-1x-0255-N
D3-1x-0255-N has dedicated bypass terminals at the bottom of the unit. The bypass terminals are T1B, T2B, T3B.
Figure 4-2 Power input and output terminals (D3-1x-0255-N)
D3-1x-0360-N to D3-16-1600-N
D3-1x-0360-N to D3-16-1600-N have dedicated bypass terminals, on the input busbars. The bypass terminals are L1B, L2B, L3B.
The busbars on non-bypassed models D3-1x-0360-N to D3-16-1600-N can be adjusted for top or bottom input and output as
required. See Busbar adjustment procedure for step-by-step instructions. All units are manufactured top in/bottom out.
For models D3-1x-0360-N to D3-16-1600-N to be UL compliant, these must be mounted Top In, Bottom Out or Top Out, Bottom
NOTE
In. Refer to UL Compliant Installation on page 87 for more information.
Digistart D3 User Guide
Issue: F
Electrical
Keypad
Quick Start
Installation
and Status
Commissioning
D3-1x-0255-B to D3-1x-0425-B
1/L1
3/L2
5/L3
1/ L1
R eady
R un
M
Tr i p
Loc a l
LCL
F1
F 2
Reset
R MT
4/T2
6/T 3
1/L1
1/L1
1/L1
T1B
2/T1
Operation Programming Diagnostics Application
3/L2
5/L3
3/L2
5/L3
Ready
Run
M
Tri p
Local
LCL
F1
F 2
Re s et
RMT
2/T1
3/L2
4/ T2
5/L3
6/T3
3/L2
5/L3
2/T1
4/T2
6/T3
3/L2
5/L3
R e ad y
R un
M
T ri p
Lo ca l
Re se t
L C L
F1
F2
R M T
T2B
T3B
4/T2
6/T3
Technical
Maintenance Options
Examples
Data
D3-1x-0500-B to D3-1x-1000-B
1/L1
3/L2
5/L3
2/T1
4/T2
6/T3
1/L1
2/T1
3/L2
4/T2
5/L3
6/T3
Ready
Run
M
T rip
Local
LCL
F 1
F2
Reset
R MT
1/L1
2/T1
3/L2
4/T2
5/L3
6/T3
1/L1
3/L2
5/L3
2/T1
4/T2
6/T3
17
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