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Lighted Pushbutton Switch Compact Switch Allows Signal and Power Switching with the Same Model Compact, high-capacity push-button switch that has contacts with a 3-mm gap and is ideal as a power switch. Capable of switching within the range of 1 mA, 5 VDC to 6 A, 125 VAC.
Accessories (Order Separately) Flange Select according to panel color. Name Shape Classification Model Flange Square, 12.7 x 12.7 Flange alone Black A3A-241 Light gray A3A-242 Round, 12.7 dia. Black A3A-251 Light gray A3A-252 Leaf spring A3A-200 Square, 12.7 x 12.7 Flange and leaf spring Black A3A-211...
Characteristics Operating frequency Mechanical: Momentary action: 120 operations/minute max. Alternate action: 60 operations/minute max. (See note 1.) Electrical: 20 operations/minute max. Insulation resistance 100 MΩ min. (at 500 VDC) Contact resistance 100 mΩ max. (initial value) Dielectric strength 600 VAC, 50/60 Hz for 1 min between terminals of same polarity 2,000 VAC, 50/60 Hz for 1 min between each terminal and ground 600 VAC, 50/60 Hz for 1 min between LED terminals (See note 2.) Vibration resistance...
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2. An A3A with solder terminals is provided with a black flange and leaf spring for the switching mechanism, however an A3A with PCB terminals is not provided with them. If a black flange and leaf spring are required for an A3A with PCB terminals, order them from your OMRON representative. Downloaded from Elcodis.com...
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Dimensions Note: 1. All units are in millimeters unless otherwise indicated. 2. The illustrations below show switches with solder terminals, without a flange or leaf spring. Non-lighted Model Square Pushbutton SPDT SPST-NO Square push-button 8.9 × 8.9 Round Pushbutton Round push-button 15.2 Three, t0.4 terminals...
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Installation Mounting and Replacing the Pushbutton Note: Be sure to fit the leaf spring exactly into the groove, and do not allow it to slip out of the groove. Mounting Direction for the Pushbutton and Switch Mount Flange on Panel •...
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Precautions Operation LED Characteristics (V – I Characteristics) Ta: Ambient Temperature When operating an A3A, make sure that the A3A has a pushbutton. Do not operate the A3A with a screwdriver or tweezers without mounting a pushbutton to the A3A, otherwise the A3A may malfunc- Ta = 25°C tion.
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