Overview
The ABB RXFS1 RK271019-AD is a general purpose signal relay engineered for auxiliary switching and signaling in control circuits. This electromechanical relay combines proven ABB reliability with straightforward plug-in installation, making it ideal for equipment retrofits and new industrial designs requiring dependable contact operation and visual status indication.
Key Features
- 2 make (NO) and 4 break (NC) contact configuration for flexible circuit control
- Automatic reset function ensures predictable circuit behavior
- Red flag indicator provides visual confirmation of relay state
- Compact plug-in design for standard mounting in control panels
- Polarity-independent coil circuit with bridge rectifier protection
- Made in Sweden with proven engineering heritage
Technical Specifications
The RXFS1 signal relay is DC rated and features 2 make contacts and 4 break contacts. The unit includes automatic reset functionality with a red flag indicator for visual status display. The relay provides basic insulation between coil and contact circuits and supports 200 switching operations per minute maximum switching frequency. The unit weighs approximately 0.4 kg and is manufactured in Sweden.
Typical Applications
- Auxiliary and signaling circuits in power systems and motor controls
- Equipment status indication and alarm signaling
- Industrial automation coupling between controller electronics and field actuators
- Control panel indicator relay installations
- OEM and retrofit applications requiring compact relay modules
Compatibility & Replacements
The ABB RXFS1 RK271019-AD is a member of ABB’s RXSF series auxiliary relays, part of the broader RX signaling relay family. The -AD suffix denotes a specific voltage and contact configuration. Related models in the RXSF series include variants with different voltage ratings (110-125V DC, 220-250V DC) and alternative contact arrangements. When sourcing replacements, verify voltage, contact configuration, and mounting style with the original equipment documentation to ensure compatibility.
