Omron A3d Series Illuminated Push Button Switch, Latching, Panel, 8 mm Cutout, SPST, Yellow, Red, Green, White LED,

RS Stock No.:: 366-4219
Mfr. Part No.:: A3DT-7121
Manufacturer:: Omron

Omron A3d Series Illuminated Push Button Switch, Latching, Panel, 8 mm Cutout, SPST, Yellow, Red, Green, White LED,

Bulk discount available

Subtotal (1 unit)*

PHP1,110.82

(exc. VAT)

PHP1,244.12

(inc. VAT)

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In Stock

Plus 31 unit(s) shipping from January 19, 2026
Plus 54 unit(s) shipping from February 24, 2026

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Units	Per Unit
1 - 9	PHP1,110.82
10 - 49	PHP1,066.39
50 - 99	PHP1,021.96
100 +	PHP999.76

*price indicative

RS Stock No.:: 366-4219
Mfr. Part No.:: A3DT-7121
Manufacturer:: 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
	Switch Operation	Latching
	Product Type	Push Button Switch
	Illuminated	Yes
	Panel Cutout Size	8 mm
	Series	A3d
	Mount Type	Panel
	Contact Configuration	SPST
	Terminal Type	Solder
	LED Colour	Yellow, Red, Green, White
	IP Rating	IP40
	Actuator Style	Button
	Contact DC Voltage	30V
	Contact AC Voltage	24V
	Minimum Operating Temperature	-10°C
	Maximum Operating Temperature	55°C
	Switch Configuration	On-Off
	Standards/Approvals	CSS, CE, UL
	Switch Contact Current	100 mA

	Select all
	Brand Omron
	Switch Operation Latching
	Product Type Push Button Switch
	Illuminated Yes
	Panel Cutout Size 8 mm
	Series A3d
	Mount Type Panel
	Contact Configuration SPST
	Terminal Type Solder
	LED Colour Yellow, Red, Green, White
	IP Rating IP40
	Actuator Style Button
	Contact DC Voltage 30V
	Contact AC Voltage 24V
	Minimum Operating Temperature -10°C
	Maximum Operating Temperature 55°C
	Switch Configuration On-Off
	Standards/Approvals CSS, CE, UL
	Switch Contact Current 100 mA

Omron A3DT-7121 Push Button Switch, Latching Operation, Illuminated - A3DT-7121

This push button switch from Omron is designed for reliable panel mounting in various electronic applications. With an 8mm cut-out diameter, this illuminated switch features a durable square push button style that enhances user interaction. Engineered for efficiency, it operates on a latching mechanism, making it ideal for systems requiring a maintained state.

Features & Benefits

• Illuminated feature enhances visibility in low-light scenarios

• Latching operation maintains selected position without additional pressure

• SPST configuration ensures straightforward on/off functionality

• Rated for 100 mA @ 30V DC provides robust operational capability

• Designed for easy panel mounting, streamlining installation processes

• Solder terminal type facilitates secure connections for enhanced reliability

Applications

• Used in automation control panels for easy access

• Suitable for electronic devices requiring user input functions

• Employed in machinery control systems for secure operation

• Integrates effectively into custom electrical projects

• Ideal for building management systems needing clear user feedback

What type of configuration is implemented in its design?

The switch employs a Single Pole Single Throw (SPST) configuration, allowing for uncomplicated on/off operations, which simplifies circuit design and integration.

How does the illuminated feature assist in usage?

The illumination provides clear visibility, which aids users in identifying the switch status, particularly in dimly lit environments or during high-demand situations.

What is the maximum current rating this switch can handle?

It has a contact current rating of 100 mA at a voltage of 30 V DC, making it suitable for various low-power applications without overheating.

What installation requirements should be noted for this switch?

It is designed for panel mounting with an 8mm cut-out diameter; ensure the panel thickness is suitable for secure fitting and effective operation.

How does the latching mechanism enhance usability?

The latching mechanism allows the switch to maintain its position without requiring constant pressure, providing ease of use in prolonged or critical operations.