Omron H3RN Series Plug In Timer Relay, 12V dc, 2-Contact, 0.1 min → 10h

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£64.80

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RS Stock No.:
236-1256
Mfr. Part No.:
H3RN-21 12VDC
Brand:
Omron
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Brand

Omron

Supply Voltage

12V dc

Mounting Type

Plug In

Mode of Operation

Flicker OFF Start, Flicker ON Start Selectable by DIP Switch, Interval, ON Delay

Time Range

0.1 min → 10h

Number of Contacts

2

Number of Timer Functions

Multi Function

Time Increment

Hours, Minutes

Maximum Current

3A

Maximum Voltage

250V ac

Terminal Type

Socket

Switch Configuration

DPST

Power Supply

External

Width

12.8mm

Series

H3RN

Depth

53.4mm

Length

31.2mm

Maximum Operating Temperature

+55°C

Minimum Operating Temperature

-10°C

Time Delay

(dc) 0.1 s, (ac) 0.5s

RoHS Status: Exempt

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

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

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

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