Schneider XB4BA21 Harmony XB4 (metal, 22mm) Pushbutton 22mm Black Spring Retu...

The Schneider Electric XB4BA21 is a complete flush pushbutton from the Harmony XB4 series, featuring a 22 mm chrome-plated metal body with a black unlabelled head and spring return action. It provides a single 1 NO contact rated at 3 A at 240 V AC-15, built for demanding industrial environments. With IP66/IP67/IP69/IP69K protection and certification from multiple international bodies, it suits harsh and washdown-intensive applications.

Technical specifications:

• Commercial reference: XB4BA21
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Harmony XB4
• Product type: Pushbutton, spring return
• Head profile: Black flush, unlabelled
• Contact configuration: 1 NO
• Contact operation: Slow break
• Mounting diameter: 22.5 mm
• Body material: Chrome-plated metal
• Rated operational current: 3 A at 240 V AC-15 / 6 A at 120 V AC-15 (IEC 60947-5-1)
• Rated insulation voltage: 600 V (pollution degree 3)
• Impulse withstand voltage: 6 kV
• Thermal current in air: 10 A
• Mechanical durability: 10,000,000 cycles
• Electrical durability: 1,000,000 cycles
• Dimensions (WxHxD): 30 x 47 x 52 mm
• Weight: 0.08 kg
• IP protection: IP66 / IP67 / IP69 / IP69K (IEC 60529)
• IK protection: IK06
• NEMA rating: NEMA 4X, NEMA 13
• Operating temperature: -40...70°C
• Connection: Screw terminals, up to 2 x 2.5 mm²
• Standards: IEC 60947-1, IEC 60947-5-1, IEC 60947-5-4, IEC 60947-5-5, UL 508, CSA C22.2 No 14
• Certifications: UL, CSA, BV, DNV, Lloyd's Register of Shipping

Features and benefits:

• Chrome-plated metal body with Zamak mounting frame delivers robust corrosion resistance in industrial environments
• Spring return action provides automatic contact reset and reliable tactile feedback during operation
• IP66/IP67/IP69/IP69K rating protects against dust ingress, water immersion, and high-pressure washdowns up to 7,000,000 Pa at 55°C
• Silver alloy (Ag/Ni) contacts sustain 1,000,000 electrical cycles for long service life
• Wide operating temperature range of -40 to 70°C suits both indoor control panels and outdoor enclosures

Applications:

• Industrial machine control panels requiring momentary pushbutton switching
• Marine and offshore control stations requiring BV, DNV, or Lloyd's Register certification
• Food and beverage processing equipment subject to high-pressure cleaning cycles
• Process automation and operator desks in manufacturing facilities

Compliant with IEC 60947-1, IEC 60947-5-1, IEC 60947-5-4, IEC 60947-5-5, UL 508, and CSA C22.2 No 14. Part of the Schneider Electric Harmony XB4 range.

Also known as: Schneider XB4BA21, Schneider Electric XB4BA21, Harmony XB4 black flush pushbutton, 22mm metal spring return pushbutton.