Part of the Schneider Electric Harmony Relay series, the RHK421M is a plug-in latching relay designed for robust control system integration. This relay features a 4 Change-Over (4 C/O) contact configuration, providing versatile switching capabilities for demanding industrial environments. Its latching mechanism ensures a stable ON/OFF state without continuous coil energization, making it suitable for applications requiring persistent signal holding.

Technical details

• Series: Harmony Relay
• Type: Plug-in Latching Relay
• Contact Configuration: 4 Change-Over (4 C/O)
• Functionality: Latching (maintains state without continuous power)
• Coil Voltage: Not specified in provided information; verify with manufacturer datasheet.
• Contact Rating: Not specified in provided information; verify with manufacturer datasheet.
• Termination Type: Plug-in socket compatible (socket sold separately).
• Operating Temperature Range: Not specified in provided information; verify with manufacturer datasheet.

Applications & compatibility

The Schneider RHK421M is commonly employed in control panels for machinery requiring memory functions or to maintain a specific state. Applications include sequencing operations on assembly lines, interlocking safety circuits, and managing status indicators in process control systems. It is designed to interface with standard industrial control voltages and logic.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the RHK421M or contact our technical team for cross-reference assistance with compatible Harmony Relay components.