Overview
The ABB RXME 1 RK 221 027-AD auxiliary relay is a proven, compact module designed for high-reliability industrial automation applications. As a member of ABB’s COMBIFLEX modular relay system, this auxiliary relay integrates seamlessly into protection, control, and signaling circuits in power distribution and industrial control environments. Its rugged design and long operational life make it a dependable choice for critical operations requiring consistent performance.
Key Features
- Compact, modular form factor for space-efficient panel mounting
- COMBIFLEX system integration for flexible system configuration
- Dust-proof enclosure for harsh industrial environments
- Optional status indicator for visual feedback and troubleshooting
- Long mechanical life and proven reliability in tripping and signaling functions
- Reverse-polarity protection and transient overvoltage resistance
Technical Specifications
- Relay Type: Auxiliary Signaling & Tripping Relay
- Series: COMBIFLEX (RXME 1 family)
- Mounting: Plug-in module (DIN rail compatible)
- Weight: Approximately 0.25 kg
- Certifications: CE, RoHS, Industrial Standards Compliant
- Contact Configuration: Dual-channel design for signaling and protection
- Protection Features: Bridge rectifier coil circuit, reverse-polarity protection, transient overvoltage resistance
Typical Applications
- Auxiliary tripping circuits in power distribution networks
- Signaling and interlocking in industrial control systems
- Motor control and equipment protection circuits
- Backup and standby function triggering
- Industrial automation systems requiring modular relay functionality
Compatibility & Replacements
The RXME 1 RK 221 027-AD is designed to integrate with ABB COMBIFLEX relay modules and compatible control system architectures. For system integration, verification of coil voltage, contact ratings, and socket compatibility is recommended. Direct replacement with other COMBIFLEX-series auxiliary relays may be possible depending on application requirements; consult ABB technical documentation or contact our support team for specific compatibility verification.
