Operating modes	Supply voltage	Control output		H3DK-H
Operating modes	Supply voltage	Control output		S Series (time range: 0.1 to 12 s)	L Series (time range: 1.0 to 120 s)
Power OFF Delay	100 to 120 VAC	Contact output: SPDT	Model	H3DK-HCS	H3DK-HCL
	200 to 240 VAC	Contact output: SPDT	Model	H3DK-HDS	H3DK-HDL
	24 to 48 VAC/DC	Contact output: SPDT	Model	H3DK-HBS	H3DK-HBL

Specifications

Time Ranges

	S Series		L Series
Time range setting	x0.1	x1	x1	x10
Set time range	0.1 to 1.2 s	1 to 12 s	1 to 12 s	10 to 120 s
Power ON time	0.1 s min.		0.3 s min.
Scale numbers	12

Note: The Timer will not operate if the specified power-on time is not kept. Be sure to supply power for at least the
period specified.
Also, make sure that the repeat cycle for the timing-out operation is at least 3 s.

Ratings

Supply voltage		100 to 120 VAC, 50/60 Hz 200 to 240 VAC, 50/60 Hz 24 to 48 VAC/DC, 50/60 Hz *1
Allowable voltage fluctuation range		85% to 110% of rated voltage
Power consumption	H3DK-HCS/-HCL	At 120 VAC: 11.7 VA max.
	H3DK-HDS/-HDL	At 240 VAC: 29.5 VA max.
	H3DK-HBS/-HBL	At 48 VAC: 1.2 VA max. *2
Control output		Contact output, 5 A at 250 VAC with resistive load (cosφ = 1), 5 A at 30 VDC with resistive load *2 The minimum applicable load is 100 mA at 5 VDC (Preference level). Contact materials: Ag-alloy
Ambient operating temperature		-20 to 55°C (with no icing)
Storage temperature		-40 to 70°C (with no icing)
Ambient operating humidity		25% to 85%

*1. DC ripple: 20% max. (A single-phase, full-wave rectifying power supply can be connected.)
*2. Refer to DC Power Consumptions (Reference Information) on Catalog for DC power consumptions.
*3. The control output ratings are for one H3DK operating alone.
If you operate two or more Timers side by side, refer to Installation Pitch and Output Switching Capacity (Reference
Values) on the Catalog.

Characteristics

Accuracy of operating time		±1% of FS max. (±1% ±10 ms max. at 1.2-s range)
Setting error		±10% of FS ±0.05 s max.
Influence of voltage		±0.5% of FS max. (±0.5% ±10 ms max. at 1.2-s range)
Influence of temperature		±2% of FS max. (±2% ±10 ms max. at 1.2-s range)
Insulation resistance		100 MΩ min. at 500 VDC
Dielectric strength		Between current-carrying metal parts and exposed non-current-carrying metal parts: 2,000 VAC 50/60 Hz for 1 min. Between control output terminals and operating circuit: 2,000 VAC 50/60 Hz for 1 min. Between contacts not located next to each other: 1,000 VAC 50/60 Hz for 1 min.
Impulse withstand voltage		Between power supply terminals: 1 kV for 24-VAC/DC and 48-VAC/DC models, 5 kV for all other models. Between current-carrying metal parts and exposed non-current-carrying metal parts): 1.5 kV for 24-VAC/DC and 48-VAC/DC models, 5 kV for all other models.
Noise immunity		Square-wave noise generated by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise): ±1.5 kV (between power supply terminals)
Static immunity		Malfunction: 4 kV, Destruction: 8 kV
Vibration resistance	Destruction	0.75-mm single amplitude at 10 to 55 Hz for 2 h each in 3 directions
Vibration resistance	Malfunction	0.5-mm single amplitude at 10 to 55 Hz for 10 min each in 3 directions
Shock resistance	Destruction	1,000 m/s² 3 times each in 6 directions
Shock resistance	Malfunction	100 m/s² 3 times each in 6 directions
Life expectancy	Mechanical	10 million operations min. (under no load at 1,200 operations/h)
Life expectancy	Electrical	100,000 operations min. (5 A at 250 VAC, resistive load at 1,200 operations/h)
Degree of protection		IP30 (Terminal block: IP20)
Weight		Approx. 120 g