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- Schneider Electric XB5AA51 Harmony XB5 Push Button Plastic Yellow Flush 22 mm Unmarked 1NO Push Button Schneider Electric XB5AA51 Harmony XB5 Push Button Plastic Yellow Flush 22 mm Unmarked 1NO Push Button
Schneider Electric XB5AA51 Harmony XB5 Push Button Plastic Yellow Flush 22 mm Unmarked 1NO Push Button
Schneider Electric XB5AA51 Harmony XB5 Push Button Plastic Yellow Flush 22 mm Unmarked 1NO Push Button
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- Description
The Schneider Electric XB5AA51 is a Harmony XB5 plastic push button with a yellow flush head and a single normally-open (1NO) contact rated 10 A Ith. It mounts in a standard 22.5 mm panel cut-out, uses screw-clamp terminals for 0.22-2.5 mm² conductors, and is sealed to IP66/IP67/IP69/IP69K.
Technical Specifications
| Reference | XB5AA51 |
| Brand | Schneider Electric |
| Range | Harmony XB5 |
| Device Type | Push-button |
| Bezel Material | Plastic |
| Mounting Diameter | 22.5 mm |
| Operator Type | Spring return, yellow flush, unmarked |
| Contacts | 1NO, slow-break |
| Terminals | Screw clamp, 1 x 0.22-2 x 2.5 mm² |
| Conventional Free-Air Thermal Current [Ith] | 10 A |
| Rated Operational Current [Ie] | 3 A at 240 V AC-15 |
| Rated Insulation Voltage [Ui] | 600 V |
| Rated Impulse Withstand Voltage [Uimp] | 6 kV |
| Positive Opening | Without |
| IP Degree | IP66, IP67, IP69, IP69K |
| IK Degree | IK03 |
| Overvoltage Category | Class II |
| Ambient Temperature (Operation) | -40 to 70 °C |
| Dimensions (H x W x D) | 42 x 30 x 52 mm |
| Net Weight | 0.037 kg |
Certifications & Standards
- DNV
- CSA
- UL Listed
- Lloyd's Register
- BV
- IEC 60947-5-1
- IEC 60947-1
Selection Notes
IEC 60073 assigns yellow to an abnormal-condition or caution function, for example overriding an interlock or acknowledging a warning, distinct from the reserved red/green stop/start pair. The plastic bezel resists chemical agents and gives double electrical insulation, a reason to prefer it over the metal XB4 range where the panel sees washdown or corrosive exposure. The 1NO contact switches directly into a PLC input or control-relay coil within its 3 A/240 V AC-15 rating.