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Schneider XB4BS8445 Emergency Stop Push Buttons
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Schneider XB4BS8445 Emergency Stop Push Buttons

Manufacturer: Schneider Electric
Model: XB4BS8445 Harmony XB4 Emergency Stop Push Button
Head Type: Red mushroom Ø40 mm, trigger action latching (turn to release)
Contact Block: 1 NO + 1 NC (slow-break silver alloy contacts)
Bezel: Chrome-plated metal, Ø22 mm mounting hole
Application: Emergency stop switching off in industrial control panels, machinery, and safety circuits

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Product Description

The Schneider Electric XB4BS8445 is a robust, industry-standard Harmony XB4 series emergency stop push button with trigger action latching (push to stop, turn to release). Featuring a highly visible red Ø40 mm mushroom head and chrome-plated metal bezel, it provides reliable emergency shutdown for machines, conveyors, presses, and control systems. The integrated 1 NO + 1 NC contacts ensure positive opening for safety-critical applications, while the IP66/IP67/IP69K rating and metal construction deliver excellent durability in harsh industrial environments.

Standard Features

  • Ø40 mm red mushroom head: Large, highly visible actuator for quick emergency access — complies with EN/IEC 60947-5-5 safety standards.

  • Trigger latching turn-to-release: Push to latch (stop), twist to reset — prevents accidental restart and enhances operator safety.

  • 1 NO + 1 NC contacts: Slow-break silver alloy (Ag/Ni) for reliable switching and long electrical life (up to 1,000,000 cycles AC-15).

  • Chrome-plated metal bezel: Corrosion-resistant, vibration-proof — ideal for heavy-duty industrial use.

  • IP66/IP67/IP69K protection: Dust-tight and high-pressure washdown resistant — suitable for food, pharma, and outdoor panels.

  • Global approvals: IEC/EN 60947-5-1/5-5, UL, CSA, CE, CCC — accepted worldwide for machine safety.

Technical Specifications

ParameterValue
TypeEmergency stop push button (trigger action, turn to release)
Order NumberXB4BS8445
ActuatorRed mushroom head Ø40 mm
Contact Configuration1 NO + 1 NC (slow-break Ag/Ni)
Rated Voltage / Current (AC-15)600 V / up to 6 A
Mounting HoleØ22 mm
Degree of ProtectionIP66 / IP67 / IP69K
Standards & CertificationsIEC/EN 60947-5-1/5-5, UL, CSA, CE, CCC

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