Square D - 0.87 Inch Mount Hole, Flush, Pushbutton Switch Only - Round, Black Pushbutton, Nonilluminated, Momentary (MO), Shock and Vibration Resistant
Item #: 55489918
Brand: Square D
Model #: XB4BA21
Exact Tooling IR#: 04
Features and Benefits
Pushbutton switches are designed with the front side of the switch outfacing on the panel. Used in conjunction with a contact block, these switches are designed to activate machinery by button that is pressed and released. Applications include starting and stopping the machine.
Nonilluminated pushbuttons do not feature a light within the button.They are commonly used in areas where added light is not needed.
| Product Specifications | |
|---|---|
| Mounting Hole Diameter (mm) | 22 |
| Mounting Hole Diameter (Decimal Inch) | 0.8700 |
| Switch Type | Pushbutton Switches Only |
| Pushbutton Type | Flush |
| Pushbutton Shape | Round |
| Pushbutton Color | Black |
| Operator Illumination | NonIlluminated |
| Operation Type | Momentary (MO) |
| Pushbutton Material | Metal (Bezel) |
| Amperage | 0.10 @ 600 VDC; 0.27 @ 250 VDC; 0.55 @ 125 VDC; 1.20 @ 600 VAC; 3 @ 240 VAC; 6 @ 120 VAC |
| Voltage | 120 VAC; 125 VDC; 240 VAC; 250 VDC; 600 VAC/VDC |
| Contact Configuration | NO |
| Terminal Type | Screw Clamp |
| NEMA Rating | 13; 4X |
| Resistance Features | Shock Resistant; Vibration Resistant |
| Standards Met | Bureau Veritas; CSA C22.2 No. 14; DNV; EN/IEC 60947-1; EN/IEC 60947-5-1; EN/IEC 60947-5-4; EN/IEC 60947-5-5; GL; IEC 60068-2-27; IEC 60068-2-6; JIS C 4520; LROS; RINA; UL 508 |
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