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XB2-ES542 Emergency Stop Push Button Switch – 22mm NC Red Mushroom Head
Safety-critical applications demand components you can trust without hesitation. The XB2-ES542 emergency stop push button features a large, highly visible red mushroom head that can be activated instantly with a palm strike – exactly what's needed when every second counts. Designed to IEC standards, it's a direct-fit replacement for Schneider XB2-ES542 and compatible 22mm panel cutout systems.
Electrical Specifications
- Model: XB2-ES542
- Contact Configuration: NC (Normally Closed) – 1 NC contact
- Mounting Hole: 22mm
- Actuator: Red mushroom head (palm-strike activated)
- Reset Method: Twist-to-release (latching)
- Rated for standard industrial control voltages
Physical Specifications
- 22mm standard panel cutout – compatible with IEC/EN 60947-5-1
- Red mushroom head – high visibility for emergency use
- Durable plastic/metal construction for industrial environments
- Screw terminal connections
- Compact body for panel-mount installation
Key Features
- Normally Closed (NC) – circuit opens immediately on activation, cutting power
- Latching mushroom head – stays depressed until manually released by twisting
- High-visibility red – instantly identifiable in emergency situations
- IEC 22mm standard – compatible with most industrial control panels
- Reliable and repeatable switching action
Typical Applications
- Machine tool and CNC equipment emergency stop
- Industrial control panel safety circuits
- Conveyor and automation system E-stop
- Electrical panel safety interlocks
- Replacement for Schneider XB2-ES542 and compatible units
Installation
Mount in a standard 22mm round panel cutout. Secure with the included nut. Connect your NC safety circuit wires to the screw terminals. Test activation and reset before commissioning.
When safety is non-negotiable, the XB2-ES542 delivers the reliable, standards-compliant emergency stop performance your application demands.


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