Omron H3DK Series DIN Rail Timer Relay, 1-Contact, 12 to to 240 V dc 12 V ac, 0.1 s to 1200 h, Multifunction-Function,

RS Stock No.:: 177-0078
Mfr. Part No.:: H3DK-S1A DC12
Brand:: Omron

Omron H3DK Series DIN Rail Timer Relay, 1-Contact, 12 to to 240 V dc 12 V ac, 0.1 s to 1200 h, Multifunction-Function,

Subtotal (1 unit)*

$130.75

(exc. GST)

$143.82

(inc. GST)

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In Stock

Plus 7 unit(s) shipping from 16 March 2026
Plus 13 unit(s) shipping from 21 May 2026

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Units	Per unit
1 +	$130.75

*price indicative

RS Stock No.:: 177-0078
Mfr. Part No.:: H3DK-S1A DC12
Brand:: Omron

Specifications

Technical data sheets

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 to 1200 h
	Number of Contacts	1
	Number of Timer Functions	Multifunction
	Switching Voltage	250 V ac
	Contact Configuration	SPDT
	IP Rating	IP20, IP30
	Contact Current	5A
	Minimum Operating Temperature	-20°C
	Supply AC Voltage	12 V ac
	Supply DC Voltage	12 to to 240 V dc
	Maximum Operating Temperature	55°C
	Terminal Type	Screw
	Height	100mm
	Length	22.5mm
	Standards/Approvals	EN 50274, EN 61812-1, cURus (UL 508,CSA C22.2 No. 14), CCC, CE, LR, IEC 60664-1 4 kV/2
	Width	79 mm
	Series	H3DK

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

Datasheet

Omron H3DK Series Timer Relay, 12V DC Supply Voltage, SPDT Contact Configuration - H3DK-S1A DC12

This timer relay plays an important role in automation and control systems by providing precise timing functions crucial for industrial applications. It features a one-shot mode, allowing timed activation of connected devices. Its advanced functionality and ease of integration make it a vital component in various electrical and mechanical systems.

Features & Benefits

• Operates on a 12V DC supply for diverse Applications

• Provides a time range from 0.1s to 1200h

• Includes multi-function capabilities for added versatility

• Screw terminal connections for straight installation

• Supports SPDT configuration for consistent switching

Applications

• Suitable for automatic lighting control systems

• Ideal for delay circuits in industrial machinery

• Utilised for timed operations in HVAC equipment

• Employed in conveyor belt systems for process automation

How does the timer manage different time settings?

It allows for both short (0.1s) and long durations (up to 1200h).

What type of connections does it use for setup?

The setup is facilitated through screw terminal connections, ensuring secure wiring.