Schneider Electric XB4-BS8445 Pushbutton Switch

Description:

The Telemecanique XB4BS8445 is a 22 mm emergency stop pushbutton featuring a 40 mm red mushroom head, mechanical latching action, turn-to-release reset, and one normally open plus one normally closed contact, designed to provide emergency machine shutdown in industrial automation systems. Commonly installed on control panels, machine tools, conveyor systems, packaging equipment, production lines, and process machinery where a dependable emergency stop device is required for personnel and equipment safety. Maintenance teams, OEMs, and system integrators use this emergency stop pushbutton for replacement, retrofit, and new machine safety installations requiring compliant emergency stopping functionality.

Applications:

The Telemecanique XB4BS8445 provides a latching emergency stop function that immediately interrupts machine operation until manually reset by turning the mushroom head. It is widely used in manufacturing facilities, material handling systems, robotic cells, machine tools, process automation equipment, and OEM machinery requiring reliable emergency stop protection.

Technical Specifications:

• Manufacturer Part Number: XB4BS8445
• Manufacturer: Telemecanique (Schneider Electric)
• Product Type: Emergency Stop Pushbutton
• Family/Series: Harmony XB4
• Mounting Diameter: 22 mm
• Operator Type: Trigger action with mechanical latching
• Mushroom Head Diameter: 40 mm
• Operator Color: Red
• Reset Method: Turn to release
• Contact Configuration: 1 NO + 1 NC
• Contact Operation: Slow-break with positive opening operation
• Terminal Type: Screw clamp terminals
• Bezel Material: Chromium-plated metal
• Fixing Collar Material: Zamak
• Dimensions: 47 × 40 × 82 mm
• Protection Rating: IP66, IP67, IP69, IP69K (installed assembly)
• Operating Temperature: -40 °C to +70 °C
• Function: Manual emergency stopping of industrial machinery
• Application: Machine safety, industrial automation, and electrical control panels

Common Replacements:

• Schneider Electric XB5BS8445
• Schneider Electric XB4BS84441
• Harmony XB5 emergency stop pushbutton, 1 NO + 1 NC