Overview
The ABB RXMH2 RK223069-AH is a Combiflex modular auxiliary relay engineered for demanding industrial protection and control applications. This relay combines reliability with high operating performance, featuring heavy-duty bridge contacts designed to handle both make and break functions. It serves as a tripping relay or protective multi-contact output relay in complex control systems, substations, and industrial automation environments.
Key Features
- Heavy-duty bridge contact design for superior reliability in high-breaking-capacity applications
- Multi-contact output configuration (4 make and 4 break contacts) for flexible control logic
- High-speed operation capability with low power consumption
- Excellent contact reliability and resistance to environmental factors
- Modular design compatible with ABB Combiflex relay systems
Technical Specifications
The RXMH2 series relays are specified for AC supply voltages, with this particular model (RK223069-AH) configured for 127V AC operation. The relay features four make contacts and four break contacts, providing versatile switching options for complex control applications. Temperature stability and resistance to vibration are inherent to the Combiflex design.
Typical Applications
- Tripping and protective functions in power systems
- Multi-output control logic in protection schemes
- Industrial automation and PLC-based control systems
- Substation automation and high-speed protection applications
- Heavy-duty industrial control requiring high contact reliability
Compatibility & Replacements
The ABB RXMH2 RK223069-AH is part of the Combiflex family of modular relays. Related models in the RXMH series include variants with different voltage ratings (AC and DC) and contact configurations. When replacing or upgrading protection relay systems, verify voltage supply and contact requirements to ensure seamless integration. ABB Combiflex relays are widely used across utilities and industrial facilities, making them a standard replacement in many legacy and modern systems.
