Datasheet

H3DK-G
20
Operating Procedures
■ Basic Operation
● Setting the Delta Time Range and the Star-delta Transfer
Time (t2)
Star Time (t1) Range
Set the star-delta transfer time.
For ×1 (1 to 12 s), use side (A) (labeled “t1×1”).
For ×10 (10 to 120 s), use side (B) (labeled “t10×1”).
(See following diagram.)
● Setting the Time
The start time is set with the main dial.
■ Timing Chart
Setting the Time Ranges
t2t2
0.5s
0.25s
0.1s
0.05s
0.5s
0.25s
0.1s
0.05s
t1x10t1x1
(A) (B)
Star-delta transfer
time setting (t2)
Switches the start
time (t1) range.
Setting the Time
Main dial
Note: “t1” is the start set time. “t2” is the transfer time.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
t
1
t2
t1: Star time setting
t
2: Transfer time
Power (A1 and A2)
Star contacts (15 and 18)
Delta contacts (25 and 26)
0.5 s min.
Star operation indicator
Delta operation indicator