H3DK-GA DC12

Star-delta Timer

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Solid-state Timer, Star-delta Timer, Control output: SPDT + SPDT, Time range 1 to 120 s, 12 VDC

Rated power supply voltage	12 VDC Ripple 20% max.
Control output (Type)	Time-limit: SPDT (Start operation circuit) SPDT (Delta operation circuit)
Operating resetting	Time-limit operation/Self-reset
Connecting method	Terminal blocks

Item list of H3DK-G

Ratings/Specifications
Dimensions
Internal connection
Terminal arrangement

Ratings/Specifications

As of July 25, 2024


Rated power supply voltage	12 VDC Ripple 20% max.
Allowable voltage variable range	90 to 110% of the power supply voltage
Power consumption	Approx. 0.9 W (at 12 VDC)
Reset voltage	10% max. of rated supply voltage
Number of time ranges	2
Operation mode	Star-delta
Control output (Type)	Time-limit: SPDT (Start operation circuit) SPDT (Delta operation circuit)
Control output (Contact output)	Resistive load: 250 VAC 5 A (cosφ=1)/5 A at 30 VDC/0.5 A max. at 125 VDC Minimum applicable load: 10 mA at 5 VDC (failure level: P Reference value)
Operating resetting	Time-limit operation/Self-reset
Star-delta transfer time	selectable from 0.05 s, 0.1 s, 0.25 s and 0.5 s
Ambient temperature range	Operating: -20 to 55 ℃ (with no icing) Storage: -40 to 70 ℃ (with no icing)
Ambient humidity range	Operating: 25 to 85 %
Accuracy of operating time	±1% FS max.
Setting error	±10% FS ±0.05 s max.
Influence of voltage	±0.5% FS max.
Influence of temperature	±2% FS max.
Insulation resistance	100 MΩ min. (at 500 VDC)
Dielectric strength	Between current carrying metal parts and non-current carrying metal parts: 2,000 VAC 50/60 Hz 1 min Between control output terminals and operating circuit: 2,000 VAC 50/60 Hz 1 min Between non-continuous contacts: 1,000 VAC 50/60 Hz 1 min
Impulse withstand voltage	Between power terminals: 1 kV Between current carrying terminals and exposed non-current carrying metal parts: 1.5 kV
Noise immunity	±1.5 kV square-wave noise by noise simulator (pulse width: 100 ns/1 µs, 1-ns rise)
Static immunity	Mulfunction: 4 kV, Destruction: 8 kV
Vibration resistance	Destruction: 10 to 55 Hz, 0.75 mm single amplitude each in 3 directions for 2 h Malfunction: 10 to 55 Hz, 0.5 mm single amplitude each in 3 directions for 10 min
Shock resistance	Destruction: 1,000 m/s², 3 times each in 6 directions Malfunction: 100 m/s², 3 times each in 6 directions
Life expectancy (relay output)	Electrical: 100,000 operations min. (5 A at 250 VAC, resistive load at 360 operations/h) Mechanical: 10 million operations min. (under no load at 1,800 operations/h)
Degree of protection	IP30 (Terminal Block: IP20)
Connecting method	Terminal blocks
Weight	Approx. 120 g
Accessories	User label