Phoenix Contact REL-MR-BL-24DC/21HC – Single Plug-In Relay, 1 CO Contact, 24 V DC Coil, Heavy Duty (Part No. 2906285)

Product Overview:

The Phoenix Contact REL-MR-BL-24DC/21HC is a robust, single-channel plug-in relay designed for switching high-current loads in industrial automation systems. It features a 24 V DC coil and a 1 changeover contact (SPDT) configuration, with heavy-duty (HC) performance for reliable operation under demanding electrical conditions. The relay's blue housing denotes DC operation for quick identification in the field.

This relay is ideal for use in control cabinets, PLC interfaces, and machinery, providing long-lasting, vibration-resistant switching.

Key Features:

• ✅ 1 Changeover Contact (SPDT) – Versatile contact configuration for control and load circuits.

• ✅ 24 V DC Coil – Standard voltage for most industrial and PLC-based systems.

• ✅ Heavy-Duty Rated (HC) – Built to handle inductive and resistive loads with high switching durability.

• ✅ Blue Color Coding – Indicates DC coil for fast troubleshooting and maintenance.

• ✅ Plug-In Format – Compatible with Phoenix Contact relay bases for quick installation and replacement.

• ✅ Industrial-Grade Design – High reliability and long electrical/mechanical life.

Technical Specifications

Applications:

• Automation and control panel systems

• PLC output interface relays

• Machine control switching

• Signal and power circuit separation

• General industrial switching applications