Solid-state Timer H3CA

• Dual power supplies for free AC/DC.

• Eight operation modes selectable with one unit.

• Any desired time can be set digitally within a range from 0.1 seconds to 9,990 hrs.

• Four external signal inputs.

• ON/OFF indicator for control output and bar indicator for remaining time.

• Conforms to UL, CSA, and CE marking.

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Description

Time Ranges

A desired time can be set within a range of 0.1 s to 9,990 hrs by combining the three thumbwheel switch modules for time setting and one module for time unit selection.

 

Time unit 0.1 s 1 s 0.1 min 1 min 0.1 hrs 1 hr 10 hrs
Time range 1 to 999 (3 digits)
202_sp_1_1

 

Ratings

 

Item H3CA-A/H3CA-FA H3CA-8 H3CA-8H
Rated supply voltage
*2
24 to 240 VAC (50/60 Hz),
12 to 240 VDC (permissible
ripple: 20% max.)
100/110/120, 200/220/240 VAC, (50/60 Hz), 24 VDC,
110 VDC (permissible ripple: 20% max.) *1
Operating voltage range 90% to 110% of rated supply
voltage
85% to 110% of rated supply voltage
Power consumption AC: approx. 4 VA
DC: approx. 2 W
AC: approx. 10 VA/1 W
DC: approx. 1 W
AC: approx. 10 VA/1.5 W
DC: approx. 2 W
Control outputs 3 A at 250 VAC, resistive load (cosφ = 1)
Minimum applicable load
H3CA-8, H3CA-A and H3CA-FA: 10 mA at 5 VDC (failure level: Preference value)
H3CA-8H: 100mA at 5 VDC (failure level: Preference value)
Contact materials: Ag-alloy

 

*1. Single-phase, full-wave rectified power sources may be used for 24 to 240 VDC.
*2. Refer to Safety Precautions for All Times when combining the Timer with an AC 2-wire proximity sensor.

Characteristics

 

Accuracy of operating time ±0.3% ±0.05 s
Influence of voltage
Influence of temperature
Setting error ±0.5% ±0.05 s max.
Reset time H3CA-A/-FA: 0.5 s max.
H3CA-8H/-8: 0.1 s max.
Insulation resistance 100 MΩ min. (at 500 VDC)
Dielectric strength 2,000 VAC, 50/60 Hz for 1 min (between current-carrying and non-current-carrying parts
and between contact and control circuit)
1,000 VAC, 50/60 Hz for 1 min (between non-continuous contacts)
Impulse withstand voltage A wide AC/DC power supply range, 200/220/240 V specifications
Between power terminals: 5 kV, Between current-carrying terminal and exposed non-
current-carrying metal parts: 5 kV
100/110/120 VAC, 100/110 VDC specifications
Between power terminals: 3 kV, Between current-carrying terminal and exposed non-
current-carrying metal parts: 4.5 kV
24 VDC specifications
Between power terminals: 1 kV, Between current-carrying terminal and exposed non-
current-carrying metal parts: 1.5 kV
Vibration resistance Destruction: 10 to 55 Hz with 0.75-mm double amplitude for 1 h each in three directions
Malfunction: 10 to 55 Hz with 0.5-mm double amplitude for 10 min each in three directions
Shock resistance Destruction: 980 m/s2
Malfunction: 98 m/s2
Ambient temperature Operating: -10°C to 55°C
Ambient humidity Operating: 35% to 85%
Life expectancy Mechanical: 10,000,000 operations min. (under no load at 1,800 operations/h)
Electrical: 100,000 operations min. (3 A at 250 VAC, cosφ = 1 at 1,800 operations/h)
See Lift-test Curve for more details.
Approved standards UL508, CSA C22.2 No. 14, LR, NK
Conforms to EN61812-1.
EMC (EMI) EN61812-1
Emission Enclosure: EN55011 Group 1 class A
Emission AC mains: EN55011 Group 1 class A
(EMS) EN61812-1
Immunity ESD: IEC61000-4-2
Immunity RF-interference: IEC61000-4-3
Immunity Burst: IEC61000-4-4
Immunity Surge: IEC61000-4-5
Immunity Conducted Disturbance: IEC61000-4-6
Immunity Voltage Dip/Interruption: IEC61000-4-11
Weight H3CA-A: approx. 110 g
H3CA-FA: approx. 190 g

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