Safety button with key 2 NC 1 NO standard SP22-BSN-21. SP22-BSN-21\.

Safety button with key – reliable protection and control

This red safety button with key, with a diameter of 22 mm, is a robust solution for applications requiring additional protection against accidental activation or deactivation. It is ideal for machines and equipment where operator safety and process integrity are a priority. The key lock design prevents unauthorized access and ensures full control over device operation.

Construction and application

The button is made of high-quality materials, guaranteeing its durability and resistance to mechanical damage. It has one normally open and two normally closed contacts, making it a versatile element in control circuits. The gray plastic housing and IP65 protection rating provide resistance to dust and moisture, allowing operation in harsh industrial conditions. Screw connection simplifies installation and connection to the electrical installation.

This button is used in:

• Production machines and equipment
• Control panels
• Industrial automation systems
• Applications requiring protection against unauthorized access

Key features and benefits

• Key lock: Provides additional protection against accidental or unauthorized start-up/shut-down of the device. The key allows only authorized personnel to unlock the button.
• Durable construction: Made of high-quality materials, resistant to mechanical damage and external factors.
• IP65 protection rating: Guarantees protection against dust and water jets, allowing operation in harsh industrial conditions.
• Versatility: One normally open and two normally closed contacts allow for flexible use in various control circuits.
• Compliance with standards: Meets the requirements of PN-EN 60947-5-1, IEC 60947-5-1 and IEC 60947-1 standards, confirming its safety and reliability.
• Durability: Designed for long-term use – withstands 360 switching cycles per hour and has high mechanical durability (0.3 million switching cycles) and switching durability (0.2 million switching cycles).
• Safety: Protected by a 10A (fast) fuse insert, and also has an expected short-circuit current for Ue=500V at 1kA.

Thanks to the combination of functionality, durability and safety, this button is a reliable element of any control system requiring a high level of protection.