Name: Omron H3RN Series Plug In Timer Relay, 12V dc, 2-Contact, 0.1 min → 10h
Brand: Omron
SKU: 236-1256
Price: 64.80 GBP
Availability: BackOrder

Specifications

Technical Reference

Legislation and Compliance

Product Details

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Select all	Attribute	Value
	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
	Switch Configuration	DPST
	Terminal Type	Socket
	Width	12.8mm
	Power Supply	External
	Series	H3RN
	Length	31.2mm
	Depth	53.4mm
	Maximum Operating Temperature	+55°C
	Time Delay	(dc) 0.1 s, (ac) 0.5s
	Minimum Operating Temperature	-10°C

	Select all
	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
	Switch Configuration DPST
	Terminal Type Socket
	Width 12.8mm
	Power Supply External
	Series H3RN
	Length 31.2mm
	Depth 53.4mm
	Maximum Operating Temperature +55°C
	Time Delay (dc) 0.1 s, (ac) 0.5s
	Minimum Operating Temperature -10°C

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

Units	Per unit
1 - 4	£54.00
5 - 9	£51.85
10 +	£50.21

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

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