Schneider Electric Telemecanique XB4-BT845 Push Button

Description:

The Telemecanique XB4BT845 is a 22 mm emergency stop pushbutton featuring a 40 mm red mushroom head, mechanical latching action, push-pull reset, and one normally open plus one normally closed contact, designed to provide emergency machine shutdown in industrial automation and safety systems. Commonly installed on control panels, machine tools, conveyor systems, packaging machinery, material handling equipment, and production lines where a reliable emergency stop device is required to protect personnel and equipment. Maintenance teams, OEMs, and system integrators use this emergency stop pushbutton for replacement, retrofit, and new machine safety installations requiring dependable emergency stopping functionality.

Applications:

The Telemecanique XB4BT845 provides a latching emergency stop function that immediately interrupts machine operation until manually reset by pulling the mushroom head. It is widely used in manufacturing plants, robotic cells, conveyor systems, machine tools, process automation equipment, and OEM machinery requiring compliant emergency stop protection.

Technical Specifications:

• Manufacturer Part Number: XB4BT845
• 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: Push-pull
• Contact Configuration: 1 NO + 1 NC
• Contact Operation: Slow-break
• Terminal Type: Screw clamp terminals
• Bezel Material: Chromium-plated metal
• Fixing Collar Material: Zamak
• Dimensions: 47 × 40 × 82 mm
• Protection Rating: IP66
• Mechanical Durability: 300,000 operating cycles
• Function: Manual emergency stopping of industrial machinery
• Application: Machine safety, industrial automation, and electrical control panels

Common Replacements:

• Schneider Electric XB5BT845
• Schneider Electric XB4BS8445 (turn-to-release version)
• Harmony XB5 emergency stop pushbutton, push-pull, 1 NO + 1 NC