Timers
Star Delta Timer
Type DAC51
Product Description
Star-delta control relay with two adjustable time ranges:
Star function (0.1 to 600 s) and star to delta function
(50 to 130 ms).
Housing 17.5 mm wide suitable for DIN-rail mounting.
Property
• Time range (Star): 0.1 to 600 s
• Time range (Star to Delta): 50 to 130 ms
• Knob selection of star time range
• Knob adjustable time setting
• Automatic start
• Repeatability:
≤
0.2%
• Output: 5 A SPDT relay with neutral centre position
• For mounting on DIN-rail in accordance with DIN/EN
50 022
• 17.5mm DIN-rail housing(DIN 43880)
• LED indication for relay status and power supply ON
Type Selection
Mounting
For DIN-rail
Output
SPDT relay
with neutral
centre position
Housing
Mini-D
Supply: 24 to 240 VAC/DC
DAC 51 C M24
Time Specifications
Time ranges (star)
Knob selectable
0.1 to 1 s
1 to 10 s
6 to 60 s
60 to 600s
50 to 130 ms
between star and delta
position
≤
5%
≤
0.2%
≤
0.05%
≤
0.2%
Power supply interruption
≥
200 ms
Output Specifications
Output
Rated insulation voltage
Contact Ratings
(AgSnO
2
)
Resistive loads
AC 1
DC 12
Small inductive loads AC 15
DC 13
Mechanical life
Electrical life
Operating frequency
Dielectric strength
Dielectric voltage
Rated impulse withstand
voltage
SPDT relay with neutral
centre position
250 VAC (RMS)
μ
5 A @ 250 VAC
5 A @ 24 VDC
2.5 A @ 250 VAC
2.5 A @ 24 VDC
≥
30 x 10
6
operations
≥
10
5
operations
(at 5 A, 250 V, cos
ϕ
= 1)
< 7200 operations/h
2 kVAC (RMS)
4 kV (1.2/50μs)
Star to delta delay
Neutral centre position
Setting accuracy
Repeatability
Time variation
Within rated power supply
Within ambient temperature
Reset
Time and relay
Supply Specifications
Power supply
Rated operational voltage
through terminals A1 and A2
M24:
Voltage interruption
Overvoltage cat. III
(IEC 60664, IEC 60038)
24 to 240 VAC/DC
+10% -15%, 45 to 65 Hz
≤
10 ms
Rated operational power
AC Supply
DC Supply
5 VA
1.5 W
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