Chroma 61705 - Page 24

Programmable AC Source 61705 User’s Manual
2-2
3. Slip the safety cover over the ac input terminal strip, and secure the cover with four
screws.
To protect the operators, the wire connected to the GND terminal must
be connected to the earth. Under no circumstances shall this AC
Source be operated without an adequate ground connection.
Installation of the power cord must be done by a professional and compliant with local
electrical codes.
Figure 2-1 380 3∼Y Input Connection
Figure 2-2 220 3∼∆ Input Connection
WARNING
INPUT
R
R
N
S
N
S
RT
T N
T
S
GND Y 380V
220V
INPUT
R
R
T
N
GND
R
S
S
N
T
T
S
N
380V
220V
Y
R S T N Ground
(Φ1/L) (Φ2/L) (Φ3/L) PE
iron
R T S Ground
(Φ1/L) (Φ3/L) (Φ2/L) PE
iron