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Brand: OMRON
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A-20GQ21-B | OMRON General-purpose Basic Switch A-20GQ21-B
OMRON A-20GQ21-B Manual And Instructions
A-20GQ21-B datasheetPDF datasheet

OMRON A-20GQ21-B Product information and technical parameters:
Brand: OMRON
Name: General-purpose Basic Switch
Model: A-20GQ21-B
Terminal: Screw terminal (-B).
Actuator: Panel mount cross roller plunger.
High-capacity Switch Capable of,
Handling 20 A Loads with Large.
Inrush Currents.
Same shape as OMRON Z Basic Switches except in pin,
plunger position, yet endures inrush currents as large as 75 A.

Appearance: Round/Half-guard type A22-H.
Output: SPST-NC + SPST-NC.
Operation: Momentary operation (self-resetting).
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 OMRON A-20GQ21-B.
Increase wiring efficiency with three-row mounting of Switch Blocks A-20GQ21-B
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). Contact type: Microload (125 VAC, 0 OMRON A-20GQ21-B. 1 A; 30 VDC, 0.1 A).
Operation: Momentary operation (Self-resetting).
Case color: Light gray.
Output: DPDT.
Lighting: LED; 12 VDC.
Pushbutton color symbol: R.O.G.W.
Large Square-bodied Lighted.
Pushbutton Switches.
Excellent operating sensitivity.
Excellent illumination with even surface brightness.
Three-color models (green, orange, red; chameleon lighting).
included in lineup OMRON A-20GQ21-B. Appearance: Knob-type Selector Switch A22W,
LED lighting (without Voltage Reduction Unit).
Number of notches: 3 notches.
Resetting method: Manual.
Output: SPST-NO.
Operating voltage: 6 VAC/VDC.
Illumination color: R (red); Y (yellow); G (green); A (blue).
Install in 22-dia. or 25-dia. Panel Cutout.
Lever for easily mounting and removing the Switch Unit.
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). Contact type: Standard load (250 VAC, 2 A; 125 VDC 0.4 A).
Operation: Momentary operation (Self-resettingg) A-20GQ21-B.
Output: SPDT.
Lighting: LED, 24 VDC.
Operation Unit color symbol: Enter the desired color symbol for the,
Pushbutton in @@. R (Red); Y (Yellow); G (Green); A (Blue); W (White).
Pushbutton Switch Series with.
Square 40-mm Body.
Combines miniature design with distinct but soft sense of operation A-20GQ21-B.
Easy panel mounting from the front and simple lamp replacement.
without tools.


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