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OMRON H3RN-21 12VDC | Plug-In Multifunction Timer Relay | 12 V DC, 0.1 min–10 h, DPST
Part Number : H3RN-21 12VDC
For 12 V DC control circuits, the OMRON H3RN-21 12VDC is an H3RN series plug-in multifunction timer relay adjustable over 0.1 min to 10 h. Further H3RN-21 12VDC details: DPST output and a 3 A maximum current rating.
- Modes of operation: Flicker OFF Start, Flicker ON Start (DIP switch selectable), Interval, ON Delay
- Socket terminal connection
- Dimensions: 12.8 mm wide, 31.2 mm long and 53.4 mm deep (as listed)
- Operating temperature -10 to +55 °C
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Omron H3RN Series Timer Relay, 12V DC Supply Voltage, 2 Contacts - H3RN-21 DC12
This timer relay is a compact and versatile component ideal for automation applications. With a supply voltage of 12V DC, it features a selectable operating mode including ON delay and interval timing options. The device’s dimensions include a width of 12.8mm, depth of 53.4mm, and length of 31.2mm, making it suitable for various control setups.
Features & Benefits
• Multi-function capabilities enable flexibility in timing operations
• Compact design fits into tight spaces for convenient installation
• Supports a maximum current of 3A for reliable performance
• Offers set time range from 0.1 minutes to 10 hours
• Plug-in terminal design simplifies wiring and maintenance
• Compact design fits into tight spaces for convenient installation
• Supports a maximum current of 3A for reliable performance
• Offers set time range from 0.1 minutes to 10 hours
• Plug-in terminal design simplifies wiring and maintenance
Applications
• Designed for use with automation systems in industrial environments
• Ideal for control circuits requiring time delays or sequences
• Utilised in temperature control for stable operations
• Suitable for lighting control where time-sensitive tasks are essential
• Ideal for control circuits requiring time delays or sequences
• Utilised in temperature control for stable operations
• Suitable for lighting control where time-sensitive tasks are essential
How does the selectable operating mode enhance functionality in various applications?
The selectable operating mode allows adjustment between flicker ON/OFF and interval timing, providing adaptability to specific operational needs.
What are the implications of the maximum current rating on system designs?
The maximum current rating of 3A ensures compatibility with a range of devices while maintaining system integrity and preventing overload.
How does the compact size contribute to its usability in confined spaces?
The compact design allows for easy integration into existing systems, particularly where space is limited, thereby facilitating straightforward installation and maintenance.
Approvals
UL recognised component, CSA certified
Standards
EN61812-1
