Siemens 3SK1121-2AB40

The Siemens 3SK1121-2AB40 is a SIRIUS safety relay, designed for industrial machine safety applications, providing reliable emergency stop monitoring, safety door control, and protective circuit functionality. Operating at 24V DC, this relay features 3 normally open (NO) and 1 normally closed (NC) contacts, ensuring safe switching and control in hazardous environments. Its modular design allows for easy integration into safety circuits, making it ideal for industrial automation and process control applications.

◆ Key Features:

• 3NO + 1NC Contacts: Ensures reliable safety switching in industrial environments.
• 24V DC Operation: Compatible with standard industrial control voltages.
• Emergency Stop Monitoring: Enhances machine safety and operator protection.
• Compact & Modular Design: Allows for easy installation in control panels.
• Robust & Reliable: Designed for continuous operation in demanding industrial settings.

◆ Technical Specifications:

• Product Type: SIRIUS Safety Relay
• Part Number: 3SK1121-2AB40
• Operating Voltage: 24V DC
• Contacts: 3 Normally Open (NO) + 1 Normally Closed (NC)
• Mounting Type: DIN Rail
• Compliance: Meets international safety and automation standards

◆ Applications:

• Emergency Stop Monitoring: Ensures safe shutdown of machinery in hazardous situations.
• Safety Door Control: Provides secure access control for machine enclosures.
• Light Curtain Integration: Supports contact-based safety circuit implementation.

The Siemens 3SK1121-2AB40 SIRIUS safety relay is a high-performance and reliable safety solution, ensuring operator protection and compliance with industrial safety regulations in automation systems.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. FLATECK Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply