Schneider XB5AS8445 Harmony XB5 (plastic, 22mm) Emergency Stop 22mm 40mm Red ...

The Schneider Electric XB5AS8445 is a complete Harmony XB5 emergency stop pushbutton with a red Ø40 mm mushroom head, 22.5 mm mounting diameter, and twist-to-release mechanical latching. It provides a 1 NC + 1 NO slow-break contact configuration rated at 3 A / 240 V AC-15, conforming to IEC 60947-5-5 and ISO 13850 for safety-critical installations.

Technical specifications:

• Commercial reference: XB5AS8445
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Harmony XB5
• Product type: Emergency stop pushbutton, complete product
• Mounting diameter: 22.5 mm
• Head: Red mushroom Ø40 mm, unmarked, trigger action with mechanical latching
• Reset: Twist-to-release
• Contact configuration: 1 NC + 1 NO, slow break, positive opening per IEC 60947-5-1 Annex K
• Contact material: Silver alloy (Ag/Ni)
• Rated operational current [ie]: 3 A at 240 V AC-15; 6 A at 120 V AC-15; 0.27 A at 250 V DC-13
• Rated insulation voltage [ui]: 600 V (pollution degree 3)
• Rated impulse withstand voltage [uimp]: 6 kV
• Permissible thermal current [ith]: 10 A
• Short-circuit protection: 10 A fuse type gG per IEC 60947-5-1
• Mechanical endurance: 300,000 cycles
• Electrical endurance: 1,000,000 cycles
• Connection: Screw terminals, up to 2 x 1.5 mm²
• Dimensions (W x H x D): 40 x 43 x 82 mm
• Weight: 0.072 kg
• IP rating: IP66 / IP67 / IP69 / IP69K (IEC 60529)
• NEMA rating: NEMA 4X / NEMA 13
• IK rating: IK03 (IEC 50102)
• Operating / storage temperature: -40...70°C
• Base material: Dark grey plastic
• Certifications: CSA, UL, BV, DNV, LROS

Features and benefits:

• Positive opening contacts per IEC 60947-5-1 Annex K guarantee reliable safety circuit isolation on every actuation
• Twist-to-release latching mechanism prevents unintended machine restart after emergency stop
• IP69K rating withstands high-pressure washdowns up to 7,000,000 Pa at 55°C at 0.1 m distance
• Operating temperature range of -40...70°C suits demanding indoor and outdoor industrial environments
• 1,000,000-cycle electrical endurance supports high-frequency use in automated production lines

Applications:

• Emergency stop circuits on industrial machinery and automated production lines
• ISO 13850-compliant safety stop installations on automated equipment and robots
• Washdown environments in food and beverage or chemical processing facilities
• Marine and offshore control panels requiring DNV or Lloyd's Register certification

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

Also known as: Schneider XB5AS8445, Schneider Electric XB5AS8445, Schneider 22mm emergency stop button, Harmony XB5 mushroom head twist release.