Modular contactor for rail, 1xNO+1xNC contacts, 25A, 24V DC ST25-11-24DC

Modular Contactor – Reliable Circuit Control

This modular contactor, designed for mounting on a 35 mm rail, is a compact and efficient solution for controlling electrical circuits. It is ideally suited for both domestic and industrial installations where reliable operation and ease of installation are required. The device is characterized by its versatility thanks to the 1NO (normally open) + 1NC (normally closed) contact configuration, which allows for flexible adaptation to various applications.

Design and operating parameters

The contactor is designed to operate with a coil voltage of 24V DC, making it an ideal choice for systems powered by direct current. The rated current of 25A allows you to control medium-power loads. Compact dimensions – 1 module wide (18 mm) – allow for efficient use of space in the switchgear cabinet. Made of high-quality materials, it guarantees durability and reliable operation. The IP20 protection class provides basic protection against contact and ingress of solid objects.

Application and benefits

This modular contactor finds application in a wide range of applications, such as:

• Lighting control: Switching lighting on and off in residential and commercial buildings.
• Home automation: Integration with smart home systems to control various devices.
• Motor control: Switching electric motors on and off with appropriate power.
• Heating systems: Controlling electric heaters and other heating devices.
• Industry: Controlling machines and equipment in production plants.

Thanks to its design and parameters, this contactor offers a number of benefits:

• Easy installation: Mounting on a standard 35 mm rail simplifies installation and integration with existing infrastructure.
• Compact dimensions: Saving space in the switchgear cabinet thanks to a width of only 1 module.
• Reliability: High-quality workmanship guarantees long-lasting and trouble-free operation.
• Versatility: The 1NO + 1NC contact configuration allows for use in various control applications.
• Compliance with standards: Meets the requirements of IEC 61095 standard, which confirms its safety and quality.

Additional technical information includes a switching capacity of AC1 at 4 kW and AC3 at 1.3 kW at 230V, allowing control of various loads. Electrical switching durability is 1x10⁵ cycles, and mechanical – 1x10⁶ cycles, ensuring a long service life. Screw terminals allow connection of wires with a cross-section of up to 4 mm².