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A22-HW-01A Pushbutton Switch OMRON A22-HW-01A
Brand: OMRON
Name: Pushbutton Switch
Model: A22-HW-01A
Appearance: Round/Half-guard type A22-H.
Output: SPST-NC.
Operation: Alternate operation (self-holding).
Illumination color: R (red); Y (yellow); G (green);
W (white); A (blue); B (black).
Install in 22-dia. or 25-dia. Panel Cutout.
(When Using a Ring).
Lever for easily mounting and removing the Switch Unit.
Increase wiring efficiency with three-row mounting of Switch Blocks.
Finger protection mechanism on Switch Unit provided as a standard feature.
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mounted using either open-type (fork-type) or closed-type.
(round-type) crimp terminals.
IP65 oil resistance (non-lighted models).
IP65 (lighted models).

Receptacle box: G 1/2 Conduit.
Indicator: Without indicator.
Actuator: Side plunger, Horizontal roller.
Approved standards: UL, CSA.
The Limit Switch with Better Seal,
Shock Resistance, and Strength.
A double seal on the head, a complete gasket cover, and,
other features ensure a better seal (meets UL NEMA 3, 4, 4X, 6P, 12, 13) OMRON A22-HW-01A.
Wide standard operating temperature range:
-40°C to +100°C (standard type) A22-HW-01A
Models with fluoro-rubber available for greater resistance to chemicals.
Block mounting method also reduces downtime for maintenance.
DPDT, double-break models available for complex operations.
Approved by UL, CSA, and CCC (Chinese standard).
(Ask your OMRON representative for information on approved model OMRON A22-HW-01A. )
Receptacle box: G 1/2 Conduit.
Indicator: Without indicator.
Actuator: Roller lever *1, Maintained *2.
Approved standards: UL, CSA.
The Limit Switch with Better Seal,
Shock Resistance, and Strength.
A double seal on the head, a complete gasket cover, and,
other features ensure a better seal (meets UL NEMA 3, 4, 4X, 6P, 12, 13).
Wide standard operating temperature range:
-40°C to +100°C (standard type) OMRON A22-HW-01A.
Models with fluoro-rubber available for greater resistance to chemicals.
Block mounting method also reduces downtime for maintenance.
DPDT, double-break models available for complex operations OMRON Pushbutton Switch.
Approved by UL, CSA, and CCC (Chinese standard).
(Ask your OMRON representative for information on approved model.) Model: A7PS.
Classification (See note 1 OMRON Pushbutton Switch. ): Snap-in (front mounting).
Character height: Decimal: 6.8 mm Hexadecimal: 4.0 mm.
Terminals: Solder terminals.
Color: Black.
Output code number: 19 (decimal code, with component-adding provision).
Dust-tight, Easy-to-Use,
Push-operated Switches with Large.
Display Characters OMRON Pushbutton Switch.
Simple push mechanism and large, easy-to-view numericc display,
make setting easy A22-HW-01A.
Dust penetration prevented with seal for the display windows. Type: Two-wire; 11-pin.
Space-saving Design Ideal for Control Panel.
Downsizing. Easy Maintenance.
Compact: 49.4 × 38 × 84 mm (H×W×D).
Easy identification of operating status with LED operation indicator OMRON A22-HW-01A.
Independent DPDT contacts on 11-Pin Models.
CE marking and UL/CSA compliance.


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