Schneider XB7NS8445 Harmony XB7 E-Stop 22mm Red 40mm Latching Turn-Release

The XB7NS8445 is a Schneider Electric Harmony XB7 emergency stop pushbutton designed for 22 mm panel cutouts. It features a 40 mm red mushroom head with turn-to-release latching action, 1 NO + 1 NC contact configuration, and IP65 front protection for reliable operation in industrial environments.

Technical specifications:

• Commercial reference: XB7NS8445
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Harmony XB7
• Product type: Emergency stop pushbutton
• Mounting diameter: 22 mm (panel hole: 22.3 +0.4/0 mm per IEC 60947-1)
• Head profile: 40 mm red mushroom, unmarked, turn-to-release reset
• Contact composition: 1 NO + 1 NC (13-14 NO, 21-22 NC)
• Rated insulation voltage [Ui]: 250 V (pollution degree 3) per IEC 60947-1
• Rated impulse withstand voltage [Uimp]: 4 kV per IEC 60947-1
• Rated operational current [Ie]: 0.75 A at 240 V AC-15; 0.1 A at 250 V DC-13
• Connection: Screw terminals, 1 x 0.34...2 x 2.5 mm² (without ferrule) per IEC 60947-1
• Short-circuit protection: 4 A fuse type gG per IEC 60947-5-1
• Mechanical durability: 100,000 cycles
• Electrical durability: 1,000,000 cycles per IEC 60947-5-1 Annex C
• IP rating: IP65 (front) / IP20 (rear) per IEC 60529
• NEMA rating: NEMA 3 / NEMA 12 per UL 50
• Operating temperature: -25...70 °C
• Dimensions (W x H x D): 40 x 40 x 72 mm
• Weight: 0.035 kg
• Certifications: GOST, CCC

Features and benefits:

• Positive opening action per IEC 60947-5-1 Annex K ensures reliable contact separation under fault conditions
• Turn-to-release reset prevents accidental machine restart after an emergency stop event
• IP65 front protection guards against dust and water ingress in demanding industrial settings
• Instantaneous contact operation for immediate circuit interruption on actuation
• Screw terminals accept conductors from 0.34 to 2.5 mm² without ferrules for flexible wiring

Applications:

• Emergency stop control on industrial machinery and automation panels
• Safety shutdown circuits in manufacturing and process equipment
• Control panels requiring ISO 13850 and IEC 60204-1 compliant emergency stop devices
• Machine guarding systems in light and heavy industry

Compliant with IEC 60947-5-5, IEC 60947-5-1, IEC 60947-1, ISO 13850, IEC 60204-1, IEC 60364-5-53, UL 508, and CSA C22.2 No 14. Part of the Schneider Electric Harmony XB7 range.

Also known as: Schneider XB7NS8445, Schneider Electric XB7NS8445, Harmony XB7 emergency stop button 22mm, Schneider red mushroom head e-stop.