RCM14-03

Current Sensors Overview

The RCM14-03 is a digital charge controller manufactured by Western Automation, a Littelfuse company. Designed for Mode 3 electric vehicle supply equipment (EVSE), it provides residual current monitoring and anti-shock protection during AC charging. The device supports configurable power levels and full-phase charging current protection. It features a UART interface for communication with the electric vehicle and includes control pilot functions compliant with IEC 61851 standards. Operating within a temperature range of -25°C to +50°C, it ensures safe energy transfer for single or three-phase systems up to 32A.

Current Sensors Feature Summary

• Integrated residual current monitoring and anti-shock protection for EV charging safety
• Configurable power and full-phase charging current protection capabilities
• Supports control pilot functions for continuous current monitoring and external communication
• Compliant with IEC 61851 and IEC 62955 standards for Mode 3 chargers

Current Sensors Applications

• Mode 3 electric vehicle supply equipment (EVSE)
• AC and DC electric vehicle charging stations
• OEM electric vehicle charging infrastructure integration

Current Sensors Procurement Notes

Verify that the specific part number corresponds to the Western Automation RCM series charge controller intended for Mode 3 EVSE applications. Confirm compatibility with required IEC standards and voltage ratings before procurement. Ensure the supplier provides official documentation regarding the UART interface and control pilot functionality specifications.

Current Sensors Selection Notes

Select this component for designs requiring integrated residual current monitoring and anti-shock protection in Mode 3 EV charging systems. It is suitable for OEMs needing a single PCB assembly solution that handles control pilot functions and communication. Consider its operating temperature range and panel mount style when designing the enclosure for the charging station.

Current Sensors Part Context

Western Automation is a subsidiary of Littelfuse specializing in residual current monitoring technology. The RCM14-03 belongs to their line of charge controllers designed to mitigate electrical shock risks during EV charging. This product addresses critical safety requirements for both residential and commercial charging infrastructure by detecting fault currents and managing charging sessions securely.

Current Sensors Replacement Considerations

No public confirmed substitute part numbers are available for the RCM14-03. Designers should consult Western Automation or Littelfuse directly for potential alternative components or updated revisions within the RCM series.