Phoenix Contact REL-IR-BL/L-110DC/2X21 – Plug-in Industrial Relay, 110 V DC Coil, 2 Change-over Contacts

Detailed Description:
The Phoenix Contact REL-IR-BL/L-110DC/2X21 (item number 1109550) is a robust plug-in industrial relay designed for control cabinets, automation and signal switching tasks. This “Essential Edition” model features a 110 V DC nominal coil input, two change-over (DPDT) contacts, a test button, status LED, mechanical switch-position indicator, and plug-in mounting design. 

Key Features:

• Coil nominal voltage: 110 V DC. 

• Coil operational range: 88 V DC … 187 V DC (at 20 °C) for full performance. 

• Two change-over contacts (2 × CO), contact material AgNi.

• Maximum switching voltage: 250 V AC/DC. 

• Limiting continuous current: 12 A; max inrush 24 A (20 ms) on N/O contacts. 

• Compact size: Width 22.5 mm, Height 28 mm, Depth 35.5 mm. 

• Ambient temperature: –40 °C … +70 °C; mounting any. 

• Plug-in mounting; test button and status LED included for easy checking. 

Technical Specification Table:

Applications & Use-Cases:
This relay is suited for control cabinet installations, automation systems, signal switching, interfacing tasks (e.g., PLC outputs to loads), and other industrial applications where a reliable DPDT relay with 110 V DC coil is required. Its plug-in design and features like status LED and test button simplify commissioning and maintenance.

Why Choose This Model?

• 110 V DC coil aligns with many DC-controlled automation systems.

• High current capacity (12 A) and robust contact rating make it suitable for moderate load switching.

• Compact plug-in form factor allows dense panel layout and easy replacement.

• Built by Phoenix Contact, known for industrial reliability and fit-for-purpose components.