Spamel SP22-BN-11 Emergency Stop Button, 1NO 1NC

The Spamel SP22-BN-11 is a reliable emergency stop button engineered for industrial control systems and machinery safety. This device is designed to provide an immediate manual interruption of electrical circuits during critical situations, ensuring that equipment can be halted instantly to prevent accidents. With its robust construction and standard mounting dimensions, it integrates seamlessly into control panels and operator stations, serving as a vital component for maintaining workplace safety standards.

Advantages

The primary benefit of this emergency stop button is its high level of operational reliability, which is essential for safety-critical applications. The inclusion of both normally open and normally closed contacts allows for versatile integration into various safety monitoring circuits. Its ergonomic design ensures that the button is easily accessible and simple to activate under pressure, while the durable materials used in its construction guarantee a long service life even in demanding industrial environments.

Suitable for

• Industrial machinery control panels
• Emergency shutdown systems for production lines
• Electrical control stations
• Safety circuits in automated manufacturing equipment

When it may not be suitable

This device is not intended for use in environments with extreme chemical exposure or high-pressure washdown requirements unless housed in a compatible protective enclosure. It is also not suitable for applications requiring specialized explosion-proof ratings or specific hazardous area certifications.

Key specifications

• Contact configuration: 1NO (Normally Open) and 1NC (Normally Closed)
• Mounting diameter: 22 mm
• Function: Manual emergency stop
• Application: Industrial control systems

How to use

The button is installed into a standard 22 mm mounting hole on a control panel or enclosure. Once mounted, the electrical wires are connected to the corresponding 1NO and 1NC terminals according to the safety circuit diagram. During operation, the user presses the button head to trigger the emergency stop function, which mechanically locks the contacts. To reset the system, the button is typically released by a specific action, such as pulling or twisting, depending on the specific mechanical design, allowing the circuit to be restored once the hazard is cleared.

What to consider before purchase

• Ensure the 22 mm mounting hole size is compatible with your existing panel.
• Verify that the 1NO/1NC contact configuration meets the requirements of your safety relay or PLC input.
• Check the environmental conditions of the installation site to ensure the device rating is sufficient.

Usage recommendations

Regularly test the emergency stop button during scheduled maintenance intervals to ensure that the mechanical action remains smooth and the electrical contacts function correctly. Do not use the emergency stop button as a standard operational switch for starting or stopping machinery under normal conditions.