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OMRON A3DA7121 Lighted Pushbutton Switch

The cylindrical illuminated pushbutton switch features a compact 8-mm diameter body, providing excellent surface brightness, easy panel cutouts, and reliable operation. Suitable for various control panels, it combines a miniature design with high sensitivity, robust construction, and RoHS compliance. It includes built-in LED illumination in multiple colors, with options for momentary or alternate operation modes. Designed for industrial automation and control systems, the switch ensures safe, efficient switching with a durable design, suitable for panel mounting and applications requiring visual status indication.

Authorized Distributors
Source:DigiKey
Part No:A3DA-7121
Stock:50
Inv Date:05-28-2026
Price: Unit price: $29.98
Buy/RFQ:
Source:DigiKey
Part No:A3DA7121
Stock:50
Inv Date:05-28-2026
Price: Unit price: $29.98
Buy/RFQ:
Part No:A3DA-7121
Stock:0
Inv Date:05-29-2026
Price: Unit price: $28.2
Buy/RFQ:
Part No:A3DA-7121
Stock:0
Inv Date:05-28-2026
Price: Unit price: $29.98
Buy/RFQ:
Part No:A3DA7121
Stock:0
Inv Date:05-28-2026
Price: Unit price: $25.82
Buy/RFQ:
Part No:A3DA7121
Stock:0
Inv Date:05-28-2026
Price: Unit price: $25.82
Buy/RFQ:

OMRON A3DA7121 Lighted Pushbutton Switch Specifications:

  • Contact Rating: 30 VDC, 0.1 A
  • LED Lamp Voltage: 5 VDC, 12 VDC, 24 VDC (depending on model)
  • Operating Force: Max 245 N
  • Total Travel: Approx. 3.5 mm
  • Degree of Protection: IEC IP40
  • Ambient Temperature: -10°C to +55°C
  • Ambient Humidity: 35% to 85% RH
  • Weight: Approx. 3 g
  • Polarity: LED polarity indicated on back
  • Mounting: Panel or socket mounting with nut
  • Material: Polycarbonate Legend Plate, Aluminum body
  • Vibration Resistance: 10–65 Hz, 1.5 mm amplitude
  • Shock Resistance: Max 500 m/s²
  • Pollution Degree: 3
  • Built-in LED: Yes, with external resistor required
  • Switch Operation: Momentary or alternate, self-resetting or self-holding
  • Design: Cylindrical, 8 mm diameter

Buy the OMRON Series A3D Lighted Pushbutton: A3DA7121

Order the OMRON Lighted Pushbutton Switch A3DA7121 online now to enhance your control systems with reliable illumination and durable design. Perfect for automation, industrial control panels, and machinery, this switch offers excellent surface brightness with LED indicators in multiple colors, providing clear status visibility. Easy to install, with panel mounting options and a compact 8-mm dimension, it ensures high performance and safety. Buy online today for a trusted, high-quality control component built for long-term use and operational excellence.

Get OMRON A3DA7121 today—built for precision, long-lasting durability, and easy panel installation.

Frequently Asked Questions

Where can I buy OMRON A3DA7121?

You can click on the BUY or RFQ button to purchase A3DA7121 from an authorized OMRON distributor.

How do I troubleshoot issues or seek technical support for part A3DA7121?

You can download the A3DA7121 datasheet or visit the OMRON website for support.

Who is the manufacturer of A3DA7121?

OMRON

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