Flush-mount red button 2 NO/NC nickel ring ST22-KC-20. ST22-KC-20\.

Highly durable housing.

Control button red flush-mounted with double make contacts

This red control button, designated ST22-KC-20, is a reliable solution for applications requiring safe and precise control. Designed for mounting in 22 mm diameter holes, it is ideal for control panels, machines and industrial equipment. The flush-mounted design provides additional protection against accidental activation and environmental influences.

Construction and application

The button is characterized by a flat construction and is made of high-quality materials, which guarantees its durability and resistance to mechanical damage. It has two make contacts (NO – normally open), which allows its use in control, starting and safety circuits. A nickel-plated front ring adds aesthetics and protects against corrosion. Thanks to the IP65 protection class, the button is resistant to dust and water ingress, allowing it to be used in harsh industrial conditions.

Key features and benefits

• Durable construction: Made of solid materials, ensuring long-lasting and reliable operation.
• Double make contacts: Two independent circuits increase functionality and flexibility of use.
• Flush-mounted type: Protects against accidental activation and external factors.
• IP65 protection class: Guarantees resistance to dust and water, enabling operation in demanding conditions.
• Easy installation: Standard hole diameter (22 mm) simplifies integration with existing control panels.
• Safety: Compliance with PN-EN 60947-5-1, IEC 60947-5-1 and IEC 60947-1 standards ensures safe use.
• Screw connection: Provides a secure and durable connection of electrical wires with a cross-section from 1 to 2.5 mm² (solid) or from 0.75 to 1.5 mm² (stranded).

Technical parameters in practice

The SP22-KC-20 button has been designed with the requirements of professional installers and end-users in mind. Its electrical parameters – rated switching current Ie in AC-15 category equal to 2.5 A (at 230 V) and Ie in DC-13 category equal to 4 A (at 24 V), 1 A (at 110 V) and 0.25 A (at 220 V) – allow its use in a wide range of applications. A wide operating temperature range (-40°C to +70°C) allows it to be used even in extreme environmental conditions. The self-return mechanism ensures immediate release after pressing, which increases safety and efficiency of the device.