Mushroom Head Latching Emergency Stop Push Button

This mushroom head latching push button is designed for emergency stop applications. The button latches when pressed and requires a twist to release, preventing accidental restarts.

LAY4-BS542 mushroom head latching push emergency stop button cover image - Image 1

Technical Specifications

Product Overview

Industrial Emergency Stop Solution

This mushroom head latching emergency stop push button is engineered for critical safety applications in industrial control circuits. Featuring a robust zinc alloy and high-grade anti-flam plastic construction, it ensures reliable performance in demanding environments. The latching mechanism requires a manual twist to release, preventing accidental restarts and providing a secure shutdown signal for machinery and power systems.


Chart explaining the model designation system for LAY series control units
Model designation guide for interpreting LAY series part numbers.

Electrical Ratings

Rated Insulation Voltage
600 V
Conventional Heating Current
10 A
Insulation Resistance
≥50MΩ
Contact Resistance
≤25mΩ

Mechanical Performance

Mechanical Life

1,000,000 cycles
Pushbutton
500,000 cycles
Selector Switch

Electrical Life

5,000,000 cycles
Pushbutton
250,000 cycles
Selector Switch

Compliance & Standards

Compliance Standards

  • GB/T14048.1
  • IEC60947-5-1

Certifications
CEISO 9001RoHSUL

Technical Specifications

Technical Parameters

ParameterValue
Pf withstand voltageAC 2.5KV/min
Voltage wave±20%
Brightness60cd/m2
Continuous working life100,000h

Technical diagram showing dimensions and contact configurations for mushroom head emergency stop buttons
Dimensional drawing and configuration options for the LAY4 series.

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