Industrial Automation

A2A

Subminiature Pushbutton Switch (Cylindrical 10.5-dia.)

A2A

High-performance Pushbutton Switch with Built-in Subminiature Basic Switch

last update: September 24, 2012

Characteristics

Rating		5 A, 125 V (resistive load) 3 A, 250 V (resistive load)
Inrush current		NC: 20 A max. NO: 10 A max.
Contact resistance		50 mΩ max. (initial value)
Dielectric strength	Between terminals of same polarity	1,000 VAC, 50/60 Hz for 1 min
Dielectric strength	Between current-carrying metal part and ground, and between each terminal and non-current-car-rying metal part	1,500 VAC, 50/60 Hz for 1 min
Durability	Mechanical	200,000 operations min.
Durability	Electrical	200,000 operations min.
Ambient operating temperature		-25 to 80°C (with no icing or condensation)
Ambient operating humidity		45% to 85%RH
Degree of protection		IP00
Electric shock protection class		Class II
PTI (proof tracking index)		175
Pollution degree		3 (IEC 947-5-1)

Note: The rated values are from testing conducted under the following conditions:
1) Ambient temperature: 20 ± 2°C
2) Ambient humidity: 65% ± 5%RH
3) Operating frequency: 20 operations/minute

Operating Characteristics

Operating Characteristics	A2A
Model	A2A
Operating force (OF), max. Releasing force (RF), min. Pretravel (PT), max. Total travel (TT), max.	1.47 N 0.10 N 0.8 mm 1.4 mm

• A D2S-5 is used for the built-in switch.

Contact Form

Name	Contact form
Double-throw contacts

last update: September 24, 2012

Product Category

Switches
- Push Buttons / Indicator Lamps
  - Non-lighted Pushbutton Switch
    - ZAP
    - VAQ
    - A2A

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