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Specification & Description
| Specification | Description |
|---|---|
| Part Number | H3CA-8 |
| Alternative Part Number | H3CA8 |
| Manufacturer | Omron |
| Type | Solid State Timer |
| Contact Configuration | DPDT (Double Pole Double Throw) |
| Operating Voltage | 100/110/120 VAC, 50/60 Hz |
| Load Current | 3 A @ 250 VAC |
| Timing Functions | 8 field-selectable modes including ON-delay, Repeat cycle, Interval, Signal ON/OFF-delay, etc. |
| Time Range | 0.1 second to 9990 hours |
| Output Status Indicator | LCD message and bar graph |
| Mounting | Panel, track, surface |
| Terminal Type | 8-pin round socket |
| Operating Ambient Temperature | -10° to 55°C (14° to 131°F) |
| Humidity | 35 to 85% RH |
| Vibration Resistance | Mechanical durability: 10 to 55 Hz; 0.75 mm double amplitude |
| Shock Resistance | Mechanical durability: 20 G |
| Insulation Resistance | 100 MΩ min. at 500 VDC |
| Dielectric Strength | 2,000 VAC between current-carrying and non-current-carrying parts |
| Service Life | Mechanical: 10 million operations minimum, Electrical: 100,000 operations minimum |
| Approvals | UL/CSA/SEV |
| Weight | 110 g (3.9 oz) |
The Omron H3CA-8 solid state timer is a versatile and reliable component designed for precision time control in a wide range of industrial applications. This compact digital timer offers a broad timing range from 0.1 seconds to 9,990 hours, catering to diverse operational needs. With eight field-selectable operation modes, including ON-delay, Repeat cycle, Signal Interval/OFF-delay, and more, it provides flexibility to suit various timing sequences.
The H3CA-8 model features a dual pole double throw (DPDT) contact type, allowing for the control of two separate circuits within one unit. It is designed for easy integration into systems with its 8-pin round socket connection, ensuring a secure and stable installation. The timer operates with a supply voltage of 100/110/120 V AC at 50/60 Hz, making it suitable for a wide range of power supply standards.
The unit is equipped with an LCD that displays the time remaining and output status, enhancing the user interface and simplifying monitoring. Its plastic case is designed for durability, and the timer can be mounted on a panel, track, or surface, providing flexibility in placement.
Engineered for accuracy, the H3CA-8 boasts a repeat accuracy of ±0.3% plus 0.05 seconds, including variations due to voltage and temperature changes, ensuring consistent performance. The setting error is minimal at ±0.5% plus 0.05 seconds, contributing to the timer's reliability.
This timer is not only robust in design but also in operation, with a mechanical service life of 10 million operations minimum and an electrical service life of 100,000 operations at maximum ratings. It operates within an ambient temperature range of -10° to 55°C, making it suitable for a variety of environmental conditions.
The Omron H3CA-8 is an essential component for any industrial timing application where precision and reliability are paramount.
Commonly Asked Questions
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Frequently Asked Questions
What are the operation modes available for this solid state timer?
The timer offers 8 field-selectable operation modes including ON-delay, Repeat cycle, Signal Interval/OFF-delay, Signal-OFF delay (I and II), Interval, Cycle, and Signal ON-delay/OFF-delay.
Can this timer be used with both AC and DC supply voltages?
Yes, the timer is designed to be universal and can be used with a range of AC/DC supply voltages.
What is the time setting range of this timer?
The time setting range of the timer is from 0.1 second to 9,990 hours, allowing for a wide variety of timing functions.
How can I mount this timer?
The timer can be mounted using panel mounting adapters, track mounting, or surface mounting, depending on your installation requirements.
What type of output does the timer have?
The H3CA-8 model features a DPDT (Double Pole Double Throw) control output.
What is the power consumption of this timer?
The power consumption for AC supply is 10 VA, and for DC supply, it is 2W.
What are the environmental operating conditions for this timer?
The operating ambient temperature range is from -10° to 55°C (14° to 131°F) with a humidity range of 35 to 85% RH.
Does this timer have any indicators?
Yes, it has a Time Remaining LCD bar graph and an LCD output status indicator.
What is the minimum load the timer can handle?
The minimum load the timer can handle is 10 mA at 5 VDC.
What is the electrical service life of the timer?
The electrical service life of the timer is a minimum of 100,000 operations at maximum ratings.
Part conditions explained
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