Omron H3DK Series DIN Rail Timer Relay, 2-Contact, 12 → → 240 V dc 12V ac, 0.1 s → 1200 h,

RS Stock No.:: 177-0080
Mfr. Part No.:: H3DK-M2A DC12
Brand:: Omron

Omron H3DK Series DIN Rail Timer Relay, 2-Contact, 12 → → 240 V dc 12V ac, 0.1 s → 1200 h,

Subtotal (1 unit)*

£81.76

(exc. VAT)

£98.11

(inc. VAT)

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8 unit(s) shipping from 17 November 2026

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Units	Per unit
1 +	£81.76

*price indicative

RS Stock No.:: 177-0080
Mfr. Part No.:: H3DK-M2A 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
	Product Type	Timer Relay
	Mount Type	DIN Rail
	Function	Timer
	Time Range	0.1 s → 1200 h
	Number of Contacts	2
	Number of Timer Functions	Multifunction
	Switching Voltage	250V ac
	Contact Configuration	DPDT
	IP Rating	IP30, IP20
	Minimum Operating Temperature	-20°C
	Contact Current	5A
	Supply DC Voltage	12 → → 240 V dc
	Supply AC Voltage	12V ac
	Maximum Operating Temperature	55°C
	Terminal Type	Screw
	Mode	ON Delay
	Length	22.5mm
	Width	79mm
	Height	100mm
	Standards/Approvals	IEC 60664-1 4 kV/2, EN 50274, LR:Test Specification No. 1-2002 Category ENV 1.2, cURus (UL 508, CSA C22.2 No. 14), EN 61812-1, CE, CCC
	Series	H3DK

	Select all
	Brand Omron
	Product Type Timer Relay
	Mount Type DIN Rail
	Function Timer
	Time Range 0.1 s → 1200 h
	Number of Contacts 2
	Number of Timer Functions Multifunction
	Switching Voltage 250V ac
	Contact Configuration DPDT
	IP Rating IP30, IP20
	Minimum Operating Temperature -20°C
	Contact Current 5A
	Supply DC Voltage 12 → → 240 V dc
	Supply AC Voltage 12V ac
	Maximum Operating Temperature 55°C
	Terminal Type Screw
	Mode ON Delay
	Length 22.5mm
	Width 79mm
	Height 100mm
	Standards/Approvals IEC 60664-1 4 kV/2, EN 50274, LR:Test Specification No. 1-2002 Category ENV 1.2, cURus (UL 508, CSA C22.2 No. 14), EN 61812-1, CE, CCC
	Series H3DK

Datasheet

COO (Country of Origin):: ID

Omron H3DK Series Timer Relay, 12V DC Supply Voltage, 2 DPDT Contacts - H3DK-M2A DC12

This timer relay offers versatile functionality for automation needs. As part of the H3DK series, it is designed for DIN rail mounting and operates at a supply voltage of 12V DC. Compactly sized at 79mm x 100mm x 22.5mm, this device is adept at managing timing applications efficiently across various environments.

Features & Benefits

• Supports multiple operational modes for diverse applications

• Adjustable timer ranging from 0.1 seconds to 1200 hours

• Two DPDT contacts for versatile switching options

• External power supply for enhanced performance

• Designed to operate in temperatures from -20 °C to +55 °C

• Contact material includes Ag-alloy with gold plating for durability

Applications

• Ideal for automation in industrial machinery

• Utilised in electrical projects requiring precise timing

• Suitable for devices needing a delay in operation

• Employed in control circuits for process automation

What operational modes can be selected for this timer relay?

It features several modes including Flicker OFF Start, Flicker ON Start, OFF Delay, ON Delay, and One Shot Output to cater to various timing requirements.

How does the relay handle different time increments?

The timer enables adjustments in hours, minutes, and seconds, allowing precise control over timing settings, which is crucial for specific applications.

What is the maximum current capacity supported?

The relay supports a maximum current of 5A, making it suitable for controlling multiple devices without compromising performance.

Can it be used in a wide range of temperatures?

Yes, it is designed to function effectively within a temperature range of -20 °C to +55 °C, ensuring reliability in diverse conditions.