22-mm dia. Pushbutton Switches. Control panel miniaturization through a more compact design and modified wiring direction. Addition of Push-In Plus terminal blocks for easy wiring.

 

• Improved wiring visibility through to a modified wiring direction. (Push-In Plus terminal block type)
• Screw terminal block structure is compatible with round crimp terminals. (Screw terminal block type)
• The terminals can be secured even when a contact block is mounted. (Screw terminal block type)
• Contact Blocks can be attached in any direction for easy assembly.
• No need for extra lateral space because of the modified wiring direction. (Push-In Plus terminal block type)
• Compact design.
• A22NL (lighted models) are the same size as A22NN (non-lighted models).
• Easy-to-operate lock lever for secure locking.
• Easy-mounting Contact Blocks provide finger protection.
• No loose connections of wiring means maintenance-free use. (Push-In Plus terminal block type)
• Meet global safety standards.
• Can be installed in two types of panel hole dimensions: 22.3 and 25.5 dia.
• The buttons and bezels come in a wide variety of colors, shapes, and materials.
• Standard-feature degree of protection: IP66, NEMA 4X, and NEMA 13.

 

Ratings / Characteristics

Type		Pushbutton Switch
Item		Non-lighted models	Lighted models
Allowable  operating  frequency	Mechanical	60 operations/minute max.
	Electrical	30 operations/minute max.
Insulation resistance		100 MΩ min. (at 500 VDC)	Not available for lighting units
Contact resistance		100 mΩ max. (initial value)
Dielectric  strength	Between terminals  of same polarity	2,500 VAC at 50/60 Hz for 1 min.  (initial value)	Not available for lighting units
	Between each terminal  and ground	2,500 VAC at 50/60 Hz for 1 min. (initial value)
Vibration  resistance	Malfunction	10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms)
Shock  resistance	Malfunction	1000 m/s2 max. (malfunction within 1 ms)
Durability	Mechanical	Momentary action: 5,000,000 operations min.  Alternate action: 500,000 operations min.
	Electrical	500,000 operations min.  (250 VAC, 3 A, with an inductive load having power factor cos θ = 0.4)
Ambient operating temperature *1		-25 to 70°C	-25 to 55°C
Ambient operating humidity		35% to 85% RH
Ambient storage temperature *1		-40 to 80°C
Degree of protection *2		Conforming to IP66, NEMA 4X, NEMA13
Electric shock protection class		Class II
PTI (tracking characteristic)		175
Degree of contamination (application  environment)		3 (EN 60947-5-1)
Weight		Approx. 50 g (for 1NC/1NO)	v

*1. With no icing or condensation.
*2.Degree of protection from the front of the panel.

Downloads

Document	File Type	File Size	Download
A22NN / A22NL Series Datasheet	PDF	aaaaa

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