Meta Description: Rugged 19mm mushroom head E-stop switch. IP67 waterproof, SPST & SPDT models. Ideal for industrial machinery, marine, and outdoor applications. Ensure operator safety.

Introduction: The Critical Role of the Emergency Stop

In any industrial environment, worker safety is the highest priority. When a hazardous situation arises, we must stop the equipment immediately and reliably. The Emergency Stop (E-Stop) switch is the last line of defense, designed for instant activation even in high-stress or low-visibility conditions.

Engineering our 19mm Mushroom Head Waterproof Emergency Stop Switch to meet this critical need. With its highly visible design, robust metal construction, and flexible switching options, it provides a fail-safe solution for machinery, control panels, and equipment operating in demanding conditions.

Product Overview: Instant Recognition, Uncompromising Durability

This emergency stop switch is defined by its classic, industry-standard 19mm mushroom head actuator. The large, prominent red button is universally recognizable, allowing operators to locate and activate it by sight or touch without a second thought. Built with a metal housing and boasting a high waterproof rating to perform in harsh industrial, marine, and outdoor environments.

Key Features & Technical Advantages

• Prominent Mushroom Head Actuator:

  • Benefit: The large, red mushroom head provides an unmistakable and easy-to-hit target for immediate emergency response. Its design complies with safety standards requiring quick and unambiguous activation.

• Robust Waterproof & Metal Construction:

  • Benefit: The switch is engineered to be waterproof and dustproof (typically rated IP67), making it resilient against coolant, wash-downs, rain, and corrosive atmospheres. The metal housing ensures impact resistance and long-term durability.

• Flexible Circuit Configurations (3-Pin SPST / 6-Pin SPDT):

  • Benefit: This versatility is a key advantage.

    • 3-Pin, Single Pole Single Throw (SPST): This is the classic, simple “break-the-circuit” configuration, perfect for standard emergency stop circuits.

    • 6-Pin, Single Pole Double Throw (SPDT): Provides both Normally Open (NO) and Normally Closed (NC) contacts in one unit. This allows for more complex control logic, such as simultaneously stopping a motor and sending a status signal to a PLC.

• Latching (Maintained) Action with Manual Reset:

  • Benefit: Once pressed, the switch remains in the “stop” position until it is manually reset, typically by twisting or pulling the head. This prevents the machine from being restarted accidentally before the hazard has been cleared.

• 19mm Standard Mounting:

  • Benefit: The 19mm diameter makes it compatible with a vast range of existing panel cutouts and accessories, simplifying installation and replacement.

Technical Specifications at a Glance

• Actuator Type: Mushroom Head (Red)

• Mounting Hole: 19mm

• Contact Configurations: 3-Pin (SPST) / 6-Pin (SPDT)

• Operation Type: Maintained (Latching), Manual Reset

• Housing Material: Metal

• Protection Rating: Waterproof (IP67 equivalent)

• Termination: Pin Terminals (for solder or quick-connect)

Ideal Applications & Use Cases

This emergency stop switch is indispensable across a wide range of industries:

• Industrial Machinery: CNC machines, press brakes, conveyor systems, packaging equipment.

• Manufacturing Automation: Robotic workcells, assembly line control stations.

• Marine & Offshore: Control panels on boats, ships, and offshore platforms.

• Commercial Equipment: Large printing presses, industrial elevators, and heavy-duty HVAC systems.

• Public Infrastructure & Outdoor Kiosks: Where vandal-resistance and weatherproofing are required.

Solving Key Pain Points in Industrial Safety

• Preventing Costly Downtime & Damage: The reliable, robust construction ensures the switch functions when needed, preventing machinery damage caused by malfunctions.

• Ensuring Regulatory Compliance: Helps equipment manufacturers and end-users meet stringent international safety standards (like OSHA, CE, IEC) that mandate accessible and functional emergency stopping devices.

• Improving Reliability in Harsh Environments: The waterproof and metal design directly addresses the failure of standard switches when exposed to moisture, dust, and physical impact.

Conclusion: Your First Line of Defense, Engineered for Reliability

In safety-critical applications, compromise is not an option. Our 19mm Mushroom Head Emergency Stop Switch offers the instant recognition, mechanical robustness, and electrical flexibility required to protect your most valuable assets: your people and your productivity.

Ready to Fortify Your Safety Systems?
Contact us today to request a sample, discuss pricing, or access the full technical datasheet. Let us help you build a safer, more compliant workplace.