Schneider XB5AS8442 Harmony XB5 (plastic, 22mm) Emergency Stop 22mm 40mm Red ...

The Schneider Electric XB5AS8442 is a 22 mm emergency stop button from the Harmony XB5 series, featuring a red 40 mm mushroom head with twist-to-release latching and a 1 NC positive-opening contact. Built for machine safety applications, it delivers IP66 through IP69K ingress protection and an operating range of -40 to 70°C.

Technical specifications:

• Commercial reference: XB5AS8442
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Harmony XB5
• Product type: Emergency stop button
• Mounting diameter: 22 mm
• Mushroom head diameter: 40 mm, red, unmarked
• Reset: Twist-to-release
• Contact configuration: 1 NC, slow break, positive opening per IEC 60947-5-1 Annex K
• Rated insulation voltage [Ui]: 600 V (pollution degree 3)
• Rated impulse withstand voltage [Uimp]: 6 kV
• Rated operational current [Ie]: 3 A at 240 V AC-15 / 6 A at 120 V AC-15
• Thermal current [Ith]: 10 A
• Mechanical durability: 300,000 cycles
• Electrical durability: 1,000,000 cycles
• Dimensions (W x H x D): 40 x 43 x 82 mm
• Weight: 57 g
• Operating / storage temperature: -40...70°C
• IP rating: IP66 / IP67 / IP69 / IP69K per IEC 60529
• NEMA rating: NEMA 4X, NEMA 13
• IK rating: IK03 per IEC 50102
• Connection: Screw terminals, 0.22...1.5 mm²
• Contact material: Silver alloy (Ag/Ni)
• Base material: Dark grey plastic
• Certifications: UL, CSA, DNV, BV, LROS

Features and benefits:

• Large 40 mm red mushroom head enables fast, instinctive emergency actuation
• Twist-to-release latching keeps the button engaged until deliberately reset by an operator
• Positive-opening contact per IEC 60947-5-1 Annex K guarantees circuit interruption even under contact welding conditions
• IP69K rating withstands high-pressure water jets at 7,000,000 Pa and 55°C at 0.1 m distance
• 1,000,000-cycle electrical durability for demanding high-cycle installations

Applications:

• Machine safety panels requiring ISO 13850 and IEC 60947-5-5 compliant emergency stop
• Food and beverage processing equipment subject to high-pressure wash-down
• Marine and offshore control systems requiring DNV, BV, or LROS certification
• Outdoor and harsh industrial environments demanding IP69K protection

Compliant with IEC 60947-5-1, IEC 60947-5-5, ISO 13850, IEC 60204-1, UL 508, CSA C22.2 No 14, and JIS C8201-5-1. Part of the Schneider Electric Harmony XB5 range.

Also known as: Schneider XB5AS8442, Schneider Electric XB5AS8442, Harmony XB5 emergency stop mushroom head button.