Nidec Digistart D3 User Manual

Digistart D3: User Guide 21
Issue: G
4 Electrical Installation
WARNING
Always apply control voltage before (or with) mains voltage.
CAUTION
Always follow the specified tightening torque for all power and ground terminal connections.
For specifications and detailed technical data, see Technical Data on page 108.
4.1 Terminal layout
4.1.1 Power Input and Output Configurations
Internally Bypassed Models (D3-0023-B~D3-1000-B)
Models D3-0023-B ~ D3-0220-B have power inputs at the top of the unit and outputs at the bottom of the unit.
Internally bypassed models D3-0255-B ~ D3-0425-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 D3-0500-B ~ D3-1000-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'.
D3-0023-B~
D3-0105-B
D3-0145-B~D3-0220-B
D3-0255-B~D3-0425-B
D3-0500-B~D3-1000-B
Ready
Run
LocalTrip
LCL
RMT
Reset
F2F1
M
Ready
Run
LocalTrip
LCL
RMT
Reset
F2F1
M
6/T34/T22/T1
5/L33/L21/ L1
Ready
Run
LocalTrip
LCL
RMT
Reset
F2F1
M
6/T34/T22/T1 5/L33/L21/L1
6/T34/T22/T1 5/L33/L21/L1
Ready
Run
LocalTrip
LCL
RMT
Reset
F2F1
M
6/T34/T22/T1 5/L33/L21/ L1
5/L33/L21/ L1
1/L1, 3/L2, 5/L3
2/T1, 4/T2, 6/T3
1/L1 3/L2 5/L3
2/T1 4/T2 6/T3
1/L1 3/L2 5/L3
2/T1 4/T2 6/T3
1/L1 3/L2 5/L3
2/T1 4/T2 6/T3
1/L1 3/L2 5/L3
1/L1 3/L2 5/L3
2/T1 4/T2 6/T3
15765.A
D3-0255-N
D3-0255-N has dedicated bypass terminals at the bottom of the unit.
The bypass terminals are T1B, T2B, T3B.
Ready
Run
LocalTrip
LCL
RMT
Reset
F2F1
M
1/L1 3/L2 5/L3
T1B T2B T3B
2/T1 4/T2 6/T3
15632.A

Nidec Digistart D3 Specifications

General

Brand	Nidec
Model	Digistart D3
Category	Controller
Language	English