Datasheet

H3DT-G
23
Connections
Block Diagrams
H3DT-G
Nomenclature
Indicator circuit
AC (DC) input
Star output
Power supply
circuit
Star time
setting
switch
Star-delta
transfer time
switch
Output
circuit
Delta output
Star output ON
indicator
Delta output ON
indicator
One-chip microcomputer
RAMROM Clock
Star-delta transfer
time switch
Front View
Star operation indicator
(orange)
Operation/power indicator (green)
(Lit while the power is ON.)
Main dial
(Sets the star time.)
Delta operation indicator
(orange)
H3DT-G
Terminal Arrangement
H3DT-G
* The power supply terminals do not have
polarity.
16
15
A2
A1
18
26
25 28
*
(DIN notation)
A2
A1
15
1816
25
2826
Star
contacts
Delta
contacts
15
R1
1618
25
R2
2628