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Blueperry agriculture (UK)£239.32Visit shop Omron Timing Relay 100-240Vac H3crf8
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The Omron H3CR-F8 (H3CR8003C) is a high-precision, 8-pin plug-in timer relay engineered for industrial automation tasks requiring consistent ON/OFF delay and flicker cycle control. It is designed for engineers and maintenance technicians who need reliable timing in a compact 48x48mm DIN format, offering a massive timing range up to 300 hours. A key caveat for potential users is that it requires a standard 8-pin socket for installation, which must be purchased separately to accommodate the plug-in design.
| Series | H3CR-F8 |
|---|---|
| Model Part Number | H3CR8003C |
| Brand | Omron |
No, the H3CR-F8 is a plug-in unit and requires an 8-pin DIN-mount socket (such as the P2CF-08), which is sold separately.
Use a precision screwdriver to turn the range selector dial on the front of the unit until the indicator points to the desired time interval.
No, the H3CR-F8 is designed for indoor use in control panels. If outdoor use is necessary, it must be housed in a NEMA-rated enclosure.
The mechanical life is rated for millions of cycles, though actual electrical lifespan depends on the load current and whether a protective surge suppressor is used.
Yes, it supports a DC input range of 100-125V DC.
Verify that the wiring on the 8-pin socket matches the terminal diagram and confirm the power supply matches the 100-240V AC/100-125V DC requirement.
Double-check the mode selector switch on the faceplate to ensure it is firmly set to either the ON/OFF delay or flicker mode as intended.
Ensure that the time range selector and the fine adjustment dial are not set to 'dead' positions between ranges; verify the timing range multiplier is correctly selected.
To set up the H3CR-F8, insert the unit into a compatible 8-pin relay socket. Ensure the power is disconnected before installing or removing the unit to prevent electrical arching. Use a small screwdriver to set the time ranges and modes located on the faceplate of the device. For maintenance, keep the housing free of excessive dust and moisture, as the ventilation ports on the sides are essential for cooling during continuous high-load operations. Regularly inspect the socket terminals for signs of heat discoloration or corrosion to ensure low-resistance connectivity.
