H3RN-1-B is a compact 15.5 mm-wide multifunction solid-state timer relay from OMRON’s H3RN-B series, designed to plug into a 5-pin socket and perform modes such as ON-delay, interval, flicker ON-start, and flicker OFF-start. It supports a time range of 0.1 s to 10 min (selectable) and is rated with a 24 VDC supply, 3 A resistive output at 250 VAC. Ideal for panel-mount applications that require flexible timing control within a narrow housing.
Key Features
- Time range 0.1 s–10 min, selectable via DIP switch
- Supply voltage: 24 VDC, power consumption: approximately 0.4 W
- Rated output: SPDT relay contact, 3 A at 250 VAC resistive load
- Operating modes: ON-delay, Interval, Flicker ON-start, Flicker OFF-start
- Accuracy ±1% FS (±10 ms at 1 s), Setting error ±15% FS ±50 ms
- Insulation resistance ≥100 MΩ at 500 VDC, Dielectric strength 2,000 VAC for 1 minute
Technical Specifications
| Model | H3RN-1-B |
| Series | H3RN-B Multifunction Timer |
| Time range (default) | 0.1 s to 10 min |
| Operating modes | ON-delay, Interval, Flicker ON-start, Flicker OFF-start |
| Supply voltage | 24 VDC (±5%) |
| Rated output contact | SPDT relay, 3 A at 250 VAC resistive |
| Terminal type | Plug-in 5-pin (Push-In Plus compatible socket) |
| Width | 15.5 mm |
| Operating temperature | -10 to 55 °C (no icing) |
| Storage temperature | -25 to 65 °C (no icing) |
| Insulation resistance | 100 MΩ min. at 500 VDC |
| Dielectric strength | 2,000 VAC, 50/60 Hz for 1 min between circuits |
| Weight | Approx. 18 g |
For more information, visit the OEM page for H3RN-1-B.



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