Overview
The ABB RXMM1 RK214005-AD is a 24V DC auxiliary relay engineered for general-purpose switching and load control in industrial power systems. Part of ABB’s proven RXMM1 series, this relay module provides reliable contact switching for protection schemes, auxiliary circuits, and control logic. The compact design enables flexible mounting in panel layouts and retrofit applications.
Key Features
- 24V DC coil voltage with standard operating characteristics
- Plug-in module design for easy installation and replacement
- Compact footprint suitable for space-constrained control panels
- Durable construction for demanding industrial environments
- Wide compatibility with ABB protection and control devices
Technical Specifications
- Coil Voltage: 24V DC
- Series: RXMM1
- Part Number: RK214005-AD
- Module Type: Plug-in auxiliary relay
- Contact Configuration: Standard for RXMM1 series (verify with application data)
- Operating Temperature: -10°C to +55°C (typical)
- Certifications: Designed for industrial use per IEC standards
Typical Applications
- Auxiliary switching in protection relay schemes
- Control logic and signal isolation circuits
- Load control and startup/shutdown sequencing
- Integration with ABB protection devices and motor control centers
- Industrial automation and plant control systems
Compatibility & Replacements
The ABB RXMM1 RK214005-AD is designed as a direct replacement for equivalent 24V DC ABB auxiliary relays in the RXMM1 family. Verify contact configuration and terminal arrangements with application documentation before installation. For systems requiring different voltage ratings (110V DC, 125V DC), related ABB relay models in the RX series offer comparable functionality. Always consult the original equipment specification to ensure proper interchangeability.


















