Omron H3RN Series Plug In Timer Relay, 12V dc, 2-Contact, 0.1 s → 10min, DPST-NO

RS Stock No.:: 236-1228
Mfr. Part No.:: H3RN-2 DC12
Brand:: Omron

Omron H3RN Series Plug In Timer Relay, 12V dc, 2-Contact, 0.1 s → 10min, DPST-NO

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Subtotal (1 unit)*

£56.21

(exc. VAT)

£67.45

(inc. VAT)

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In Stock

21 unit(s) ready to ship
Plus 18 unit(s) shipping from 24 June 2026

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Units	Per unit
1 - 4	£56.21
5 - 9	£53.97
10 +	£52.26

*price indicative

RS Stock No.:: 236-1228
Mfr. Part No.:: H3RN-2 DC12
Brand:: Omron

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

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 s → 10min
	Number of Contacts	2
	Number of Timer Functions	Multi Function
	Contact Configuration	DPST-NO
	Time Increment	Minutes, Seconds
	Maximum Current	3A
	Maximum Voltage	250V ac
	Switch Configuration	DPST-NO
	Terminal Type	Socket
	Power Supply	External
	Width	12.8mm
	Length	31.2mm
	Series	H3RN
	Maximum Operating Temperature	+55°C
	Depth	53.4mm
	Minimum Operating Temperature	-10°C
	Time Delay	(dc) 0.1 s, (ac) 0.5s

	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 s → 10min
	Number of Contacts 2
	Number of Timer Functions Multi Function
	Contact Configuration DPST-NO
	Time Increment Minutes, Seconds
	Maximum Current 3A
	Maximum Voltage 250V ac
	Switch Configuration DPST-NO
	Terminal Type Socket
	Power Supply External
	Width 12.8mm
	Length 31.2mm
	Series H3RN
	Maximum Operating Temperature +55°C
	Depth 53.4mm
	Minimum Operating Temperature -10°C
	Time Delay (dc) 0.1 s, (ac) 0.5s

Omron H3RN Series Timer Relay, 12V DC Supply Voltage, 3A Maximum Current - H3RN-2 DC12

This timer relay is designed to provide precise timing control for various automation applications. It supports multiple operating modes and is suitable for both embedded and standalone systems. With features like flicker OFF start and selectable time ranges, it streamlines time-related tasks in industrial environments.

Features & Benefits

• Easy integration with DPST-NO contact configuration
• Compatible with plug-in terminal blocks for straightforward installation
• Operates effectively within a temperature range of -10°C to +55°C

Applications

• Used in automation systems for precise timing control
• Ideal for interval timing functions
• Utilised in industrial signalling and control circuits
• Suitable for process control in machinery and equipment

What is the voltage requirement for proper operation?

The relay operates at a supply voltage of 12V DC and maintains efficiency across various current loads.

How do the operating modes affect functionality?

Different modes, such as ON-delay and interval, provide flexible timing based on the specific requirements of your application.

What is the maximum time delay achievable with this relay?

This relay can achieve a maximum time delay of up to 10 minutes, allowing for versatile use in timing tasks.

Is maintenance required for the relay?

Regular checks are recommended, particularly in relation to environmental factors, to ensure longevity and optimal performance, especially in demanding applications.

Approvals

UL recognised component, CSA certified