Emergency Stop Push Button Switch with Key Release

This emergency stop push button switch features a mushroom-shaped actuator. The key-operated release mechanism provides a reliable and easily accessible emergency stop function.

LAY4-BS142 emergency mushroom push button switch electrical key switch - Image 1

Technical Specifications

Product Overview

Emergency Stop Push Button Switch

This emergency stop mushroom push button switch is engineered for critical safety applications in industrial control circuits. Featuring a robust key-release mechanism, it ensures that once an emergency stop is activated, the system cannot be restarted without authorized key access. Built with high-grade materials and compliant with international electrical standards, it provides reliable interruption of AC and DC circuits.


Chart explaining the model naming convention and modular design options.
Modular design and model configuration guide.

Technical Specifications

Rated Insulation Voltage
600 V
Conventional Heating Current
10 A
Insulation Resistance
≥50MΩ
Contact Resistance
≤25mΩ
PF Withstand Voltage
AC 2.5KV/min
Voltage Wave
±20%

Performance Metrics

Mechanical Life

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

Electrical Life

500,000 cycles
Pushbutton
250,000 cycles
Selector Switch

Design & Compliance

Compliance Standards

  • GB/T14048.1
  • IEC60947-5-1

Certifications
CEISO 9001RoHSUL
Mounting Hole Diameter
22 mm
Mushroom Head Diameter
40 mm

Technical diagram showing the dimensions and key-release mechanism of the LAY4-BS142 emergency switch.
Dimensional drawing and key-release mechanism details.
Close up of the emergency stop switch highlighting compliance and electrical ratings.
Product certification and electrical rating details.

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