A22-FB Omron, A22-FB Datasheet - Page 15
![no-image](/images/manufacturer_photos/0/4/494/omron_sml.jpg)
A22-FB
Manufacturer Part Number
A22-FB
Description
SWITCH UNIT PB ROUND/FLAT BLACK
Manufacturer
Omron
Specifications of A22-FB
Accessory Type
Flat Type Operational Unit
For Use With/related Products
A22 Series
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
A22FB
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Technical Information
Degree of Protection
The meanings of the IP numbers are given in the following table.
1
2
3
4
5
6
7
0
1
2
3
4
5
6
Terms Related to IEC947 and IEC950
No.
No.
Rated operating voltage (Ue)
Rated operating current (Ie)
Rated insulation voltage (Ui)
Pollution degree
Electric shock protection class
PTI
IP
No protection
Protects against penetration of any solid object, such as a
hand, that is 50 mm or more in diameter.
Protects against penetration of any solid object, such as a
finger, that is 12.5 mm or more in diameter.
Protects against penetration of any solid object, such as a
wire, that is 2.5 mm or more is diameter.
Protects against penetration of any solid object, such as a
wire, that is 1 mm or more in diameter.
Protects against penetration of dust of a quantity that may
cause malfunction or obstruct the safe operation of the
product.
Protects against penetration of all dust.
Degree of protection against solid materials
Term
VAC: 120, 240, 380, 480, 500, 600
VDC: 125, 250, 440, 500, 600
Specified by the manufacturer on consideration of rated operating voltage (Ue), rated
frequency, rated energizing time, area of application, and type of enclosure protection.
Determined by creepage distance and the dielectric strength.
The maximum Ue value must not exceed the maximum Ui value.
If there is no Ui value specified, the maximum Ue value is taken as the Ui value.
1. Either no pollutants are present, or only dried, non-conductive pollutants are present
2. Basically, only non-conductive pollutants are present, or only transient conductivity
3. Conductive pollutants are present, or non-conductive pollutants are present in
4. Conductivity due to impurities is a constant possibility, or conductivity is caused by
Class I:
Class II: Electric shocks are prevented by double insulation or enforced insulation.
Class III: No countermeasures against electric shocks are required because the electric
Proof tracking index.
Specified CTI values (comparative tracking indices):
Materials satisfying the 175, 250, 300, 375, and 500 levels are denoted as PTI-175,
PTI-250, PTI-300, PTI-375, and PTI-500 respectively.
(e.g., clean rooms).
occurs due to condensation (indoor locations, such as offices).
locations where condensation is expected (e.g., factories).
conductive dust, rain, or snow (e.g., outdoor locations).
These devices require grounding. Electric shock is prevented by basic
insulation and charged parts that would be subject to dangerously high
voltages if the insulation was damaged, are grounded.
Class II: Electric shocks are prevented by double insulation or enforced
insulation.
Class III: No countermeasures against electric shocks are required because
the electric circuits in use operate in a low-enough voltage range.
circuits in use operate in a low-enough voltage range.
IP-jj
Degree of protection against water (See below.)
Degree of protection against solid materials (See below.)
No protection
Protects against vertical drops of water.
Protects against drops of water approaching at a maximum
angle of 15° to the vertical.
Protects against sprinkled water.
Protects against water spray.
Protects against water jet spray.
Protects against high-pressure water jet spray.
Explanation
Degree of protection against water
Technical Information
13
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