Schneider Harmony RUM Universal Plug-in Relays

Schneider Harmony RUM Universal Plug-in Relays are electromechanical control relays designed for industrial automation, machine control, and electrical distribution applications. Built for dependable switching and long service life, the RUM series is widely used in PLC panels, control cabinets, OEM machinery, and process automation systems.

The Harmony RUM range offers a variety of contact configurations, coil voltages, and switching capacities, making it suitable for both standard control circuits and applications requiring higher contact ratings. Its plug-in design allows quick installation and easy replacement, reducing maintenance time and simplifying panel servicing.

Many models are equipped with a mechanical status indicator, lockable test button, and LED indicator, allowing operators to monitor relay status and perform functional testing without interrupting the control circuit. Harmony RUM relays are compatible with Schneider relay sockets and accessories, providing a flexible solution for new installations as well as retrofit projects.

Specifications

• Product Name: Schneider Harmony RUM Universal Plug-in Relays
• Product Family: Harmony Electromechanical Relays
• Relay Type: Universal Plug-in Relay
• Contact Configuration: 2 CO, 3 CO and 4 CO (model dependent)
• Current Rating: Up to 15 A (model dependent)
• Coil Voltage Options: Multiple AC and DC voltage variants
• Mounting: Plug-in mounting with Harmony relay sockets
• Status Indication: Mechanical indicator with optional LED
• Manual Operation: Lockable test button (selected models)
• Accessories: Relay sockets, retaining clips, protection modules and marking labels
• Standards: IEC, CE, UL, CSA, RoHS and REACH compliant (model dependent)

Features

• Universal plug-in relay for industrial control applications
• Available with 2, 3 and 4 changeover contacts
• Multiple AC and DC coil voltage options
• High switching capacity for demanding control circuits
• Mechanical operation indicator
• Optional LED status indication
• Lockable manual test button for maintenance
• Quick plug-in installation and replacement
• Compatible with Harmony relay sockets
• Long mechanical and electrical operating life
• Reliable switching performance in industrial environments
• Wide range of accessories for flexible installation

Applications

• PLC interface panels
• Industrial automation systems
• Machine control panels
• Motor control circuits
• Process control systems
• Packaging machinery
• Material handling equipment
• HVAC control systems
• Water and wastewater treatment plants
• Power distribution control panels
• OEM electrical panels
• Building automation systems
• Factory automation