Siemens AS Interface Series Safety Relay, 250V Supply Voltage, Safety Monitoring Function - 3RK1105-1BE04-2CA0 This safety relay is essential for automation and control systems, providing critical safety monitoring for industrial applications. It efficiently manages safety circuits and ensures compliance with regulations, featuring dual-channel functionality to monitor two enabling circuits, making it suitable for various automation tasks. Features & Benefits • Monitors safety using the AS-interface protocol
• Compact design enables flexible installation in limited spaces
• Fast response time of 40ms minimises potential hazards
• Supports up to Category 4 safety levels for demanding applications
• Screw terminal connections facilitate easier wiring and maintenance
• IP20 protection class is suitable for controlled environments Applications • Utilised in machinery that requires dual-channel safety monitoring
• Applicable in safety circuits for automated processes
• Compliant with EN954-1 and ISO 13849-1 standards
• Essential in environments where SIL 3 safety is necessary
• Commonly found in assembly lines and manufacturing facilities How is the relay installed? The relay is mounted onto a DIN rail and connected to the input-output terminals according to the associated connection diagram. What temperature range is suitable for operation? The device operates effectively within a temperature range of -20°C to +60°C. Can this relay be integrated with other safety devices? Yes, it can communicate and function alongside other AS-interface safety devices. What maintenance is recommended for optimal performance? Regular inspections of connections and functionality checks are suggested to ensure proper operation. Is this device intended for outdoor use? No, it is designed solely for indoor applications because of its IP20 rating.