Phoenix Contact REL-IR-BL/L-24DC/2X21 – Plug-in Relay Module, 24V DC, 2 Changeover Contacts

REL-IR-BL/L-12DC/2X21 by Phoenix Contact is a compact and efficient relay module designed for high-performance automation systems. With a 24V DC coil and two changeover contacts, this safety relay ensures precise switching in critical industrial processes. Additionally, its transparent glass relay housing allows clear visual checks, while the integrated LED and test button enhance operational visibility.

Because it is a plug-in industrial relay, it supports fast replacement and minimizes downtime during maintenance. As a result, it’s ideal for panel builders and machine manufacturers who prioritize efficiency. Whether used in control cabinets or complex safety circuits, this relay ensures performance and peace of mind.

Key Features of REL-IR-BL/L-12DC/2X21:

• Relay module with 2 changeover (2PDT) contacts

• Transparent glass relay for quick visual inspection

• Built-in LED shows coil activation in real-time

• Test button and mechanical status indicator for easy diagnostics

• Plug-in industrial relay design for quick installation

• Suitable for safety relay systems in automation environments

• Designed for control panels, PLCs, and interface modules

Technical Specifications:

• Brand: Phoenix Contact

• Model: REL-IR-BL/L-12DC/2X21

• Coil Voltage: 24 V DC

• Contact Type: 2 changeover contacts (2PDT)

• Contact Material: Silver nickel (AgNi)

• Rated Switching Voltage: Up to 250 V AC/DC

• Rated Current: 6 A

• Relay Design: Plug-in, glass enclosure

• Indicators: LED, test button, mechanical position display

• Dimensions: 22.5 mm (W) × 28 mm (H) × 35.5 mm (D)

• Operating Temperature: -40°C to +70°C

• Mounting: Compatible with industrial plug-in sockets

• Standards Compliance: EN 61810-1, RT II, 2.5 kVrms dielectric strength

Conclusion:

REL-IR-BL/L-12DC/2X21  is a reliable and user-friendly relay module that offers both performance and diagnostic ease. Its glass relay construction ensures transparency during operation, while the test button and LED offer convenience in maintenance. Because of its robust design and plug-in compatibility, it is the ideal plug-in industrial relay for applications that demand high safety and speed. Choose Phoenix Contact for lasting quality and seamless automation.