ABB SK4-11 1SAM401904R1001 Signal contact

Product Information: ABB SK4-11 1SAM401904R1001 Signal Contact

Detailed Specifications:

• Model: SK4-11 1SAM401904R1001

• Type: Signal Contact

• Operating Voltage: 24 V DC / 230 V AC (selectable based on application)

• Contact Type: Normally Open (NO) / Normally Closed (NC)

• Rated Current: 8 A (AC), 5 A (DC)

• Contact Capacity: 250 V AC, 8 A (load capacity)

• Materials: Copper alloy

• Rated Power: 2000 VA (AC load) / 100 W (DC load)

• Connection Type: Screw terminal, suitable for various cable connections

• Wiring Configuration: Single or double-ended wiring configuration available

• Mounting Type: DIN rail mounting

• Protection Rating: IP20

• Operating Temperature Range: -20°C to +55°C

• Storage Temperature Range: -40°C to +85°C

• Dimensions: 35mm x 80mm x 60mm

• Weight: Approx. 100g

• Certifications: CE, UL, RoHS

Product Advantages and Features:

1. High Reliability: The ABB SK4-11 signal contact uses high-quality copper alloy material, ensuring long-term stability and durability while withstanding higher current loads.

2. Versatile Voltage Options: Supports 24 V DC and 230 V AC input, adaptable to various application needs, suitable for use in a wide range of industrial control systems.

3. Flexible Contact Types: Offers both normally open and normally closed contact configurations, meeting different signal control requirements and suitable for various application scenarios.

4. High Contact Capacity: Capable of handling 250 V AC, 8 A load capacity, making it suitable for controlling larger current loads and ensuring stable system operation.

5. Easy Connection: Equipped with screw terminals for convenient installation and reliable connection with various cable types.

6. DIN Rail Mounting: Designed for standard DIN rail mounting, making it easy to install in control cabinets, electrical panels, and other electrical equipment.

7. Wide Application: Used in signal transmission, alarm systems, automation control systems, etc., widely applied in electrical devices and industrial automation systems.

8. Strong Anti-Interference Ability: The design provides strong resistance to electromagnetic interference, ensuring reliable operation even in harsh industrial environments.

Applications:

• Industrial Automation: Widely used in industrial automation control systems for signal exchange and control, such as signal transmission between PLCs, sensors, and actuators.

• Alarm Systems: Used as a contact switch in alarm devices to trigger alarm signals.

• Building Electrical Systems: Acts as a switch control module in building electrical systems for signal conversion and control.

• Power Management Systems: Used in power management systems for signal transmission and monitoring of power equipment status and operation.

• Water Treatment Industry: Applied in water plants and wastewater treatment facilities for signal transmission and equipment remote monitoring.

• Traffic Control Systems: Used in intelligent transportation systems for signal switching and status monitoring.

Precautions:

1. Voltage Matching: Ensure that the operating voltage of the signal contact matches the actual application voltage to avoid overload or damage to the device.

2. Installation Environment: Ensure that the installation temperature is within the -20°C to +55°C range and avoid exposing the contact to extreme heat or humidity.

3. Regular Checks: Periodically inspect the terminal connections to ensure they are tight and secure, preventing signal transmission interruptions or failures.

4. Prevent Electromagnetic Interference: Avoid placing the signal contact near sources of high electromagnetic interference to ensure stable signal operation.

5. Avoid Overloading: Do not exceed the rated current and power of the contact to avoid damage or premature wear.

The structure and details of the product：