Omron H3DK Series DIN Rail Mount Timer Relay, 12V dc, 1-Contact, 0.1 s → 1200 h, SPDT

RS Stock No.:: 841-1537
Mfr. Part No.:: H3DK-M1A DC12
Brand:: Omron

Omron H3DK Series DIN Rail Mount Timer Relay, 12V dc, 1-Contact, 0.1 s → 1200 h, SPDT

Bulk discount available

Subtotal (1 unit)*

£57.05

(exc. VAT)

£68.46

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

12 unit(s) ready to ship
Plus 1 unit(s) ready to ship from another location
Plus 14 unit(s) shipping from 16 December 2025

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Units	Per unit
1 - 4	£57.05
5 +	£54.77

*price indicative

RS Stock No.:: 841-1537
Mfr. Part No.:: H3DK-M1A 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	DIN Rail
	Mode of Operation	Flicker OFF Start, Flicker ON Start, Interval, OFF Delay, ON Delay, ON/OFF Delay, One Shot Output
	Time Range	0.1 s → 1200 h
	Number of Contacts	1
	Number of Timer Functions	Multi Function
	Contact Configuration	SPDT
	Time Increment	Hours, Minutes, Seconds
	Maximum Current	5A
	Maximum Voltage	240V ac/dc
	Terminal Type	Screw
	Switch Configuration	SPDT
	Width	22.5mm
	Minimum Voltage	24V ac/dc
	Power Supply	External
	Maximum Operating Temperature	+55°C
	Length	89.4mm
	Depth	100mm
	Series	H3DK
	Time Delay	(Reset) 0.1s
	Contact Material	Ag Alloy
	Minimum Operating Temperature	-20°C

	Select all
	Brand Omron
	Supply Voltage 12V dc
	Mounting Type DIN Rail
	Mode of Operation Flicker OFF Start, Flicker ON Start, Interval, OFF Delay, ON Delay, ON/OFF Delay, One Shot Output
	Time Range 0.1 s → 1200 h
	Number of Contacts 1
	Number of Timer Functions Multi Function
	Contact Configuration SPDT
	Time Increment Hours, Minutes, Seconds
	Maximum Current 5A
	Maximum Voltage 240V ac/dc
	Terminal Type Screw
	Switch Configuration SPDT
	Width 22.5mm
	Minimum Voltage 24V ac/dc
	Power Supply External
	Maximum Operating Temperature +55°C
	Length 89.4mm
	Depth 100mm
	Series H3DK
	Time Delay (Reset) 0.1s
	Contact Material Ag Alloy
	Minimum Operating Temperature -20°C

Datasheet

RoHS Status: Exempt

COO (Country of Origin):: ID

Omron H3DK Series Timer Relay, 12V DC Supply Voltage, 0.1s to 1200h Time Range - H3DK-M1A-DC12

This timer relay is designed for precise timing control in various industrial and automation applications. Its versatility enhances operational management, making it suitable for a range of settings with different timing needs.

Features & Benefits

• Supports multiple timing modes for flexible application use
• Operates efficiently at a supply voltage of 12V DC
• Designed for DIN rail mounting, optimising space
• Multi-functional for diverse usage scenarios
• Capable of handling a maximum current of 5A for robust performance
• Features an SPDT contact configuration for effective switching

Applications

• Used for timing control in automation systems
• Suitable for machine control in industrial environments
• Ideal for delay operations in various circuits
• Employed in lighting control circuits for timed switching
• Utilised in HVAC systems for effective time management

How does the device manage different timing modes?

The various modes allow for adaptable operational sequences tailored to specific tasks.

Is it compatible with other automation devices?

Yes, it integrates seamlessly with many standard automation components.

What is the maximum time delay setting available?

The device can be set for time ranges from 0.1 seconds to 1200 hours.

Can it function in extreme temperatures?

Yes, it operates effectively within a temperature range of -20 to +55°C, ensuring reliability in varying conditions.

What type of terminal connections does it offer?

It features screw terminals for secure and stable connections.