H3FA-B DC24

Solid-state Timer

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Solid-state Timer, Contact output (SPST-NO + SPST-NC), Time range: 6 s to 60 min, Time-limit operation/power-OFF resetting and external resetting, Integrating operation/power-OFF resetting and external resetting, 24 VDC

Rated power supply voltage	24 VDC Ripple 20% max.
Control output (Type)	Time-limit: SPST-NO ,Time-limit: SPST-NC
Operating resetting	Time-limit operation/power-OFF resetting and external resetting, Integrating operation/power-OFF resetting and external resetting
Connecting method	PCB terminal

Item list of H3FA

Ratings/Specifications
Dimensions
Internal connection
Time ranges

Ratings/Specifications

As of July 25, 2024


Rated power supply voltage	24 VDC Ripple 20% max.
Allowable voltage variable range	85 to 110% of the power supply voltage
Power consumption	Approx. 330 mW
Number of time ranges	4
Operation mode	Power ON-delay, Cumulative
Control output (Type)	Time-limit: SPST-NO ,Time-limit: SPST-NC
Control output (Contact output)	Resistive load: 3 A at 250 VAC Minimum applicable load: 10 mA at 5 VDC (failure level: P Reference value)
Operating resetting	Time-limit operation/power-OFF resetting and external resetting, Integrating operation/power-OFF resetting and external resetting
Ambient temperature range	Operating: -10 to 55 ℃ (with no icing) Storage: -25 to 65 ℃ (with no icing)
Ambient humidity range	Operating: 35 to 85 %
Accuracy of operating time	±0.5% FS max.
Setting error	0 to +30% FS max. (at 20 ℃, rated voltage)
Reset time	10 ms max.
Influence of voltage	±1% FS max.
Influence of temperature	±5% FS max.
Insulation resistance	100 MΩ min. (at 500 VDC)
Dielectric strength	Between control output terminals and operating circuit: 1,500 VAC 50/60 Hz 1 min Between non-continuous contacts: 1,000 VAC 50/60 Hz 1 min
Vibration resistance	Destruction: 10 to 55 Hz, 0.375 mm single amplitude each in 3 directions for 2 h Malfunction: 10 to 55 Hz, 0.25 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. (3 A at 250 VAC, resistive load at 1800 operations/h) Mechanical: 10 million operations min. (under no load at 1,800 operations/h)
Connecting method	PCB terminal
Weight	Approx. 15 g