Phoenix Contact REL-FO/LD/24 V DC/2×21/MS – Plug-in Miniature Electromechanical Relay, 24 V DC Coil, 2 Change-over Contacts

Detailed Description:
The Phoenix Contact REL-FO/LD-24DC/2X21/MS (item number 1308298) is a compact, plug-in miniature electromechanical relay from the Essential Edition. It features a 24 V DC nominal coil with a free-wheeling diode, a mechanical switching position indicator, an LED status display (yellow), and two change-over (DPDT) contacts. Its FASTON connection style and compact footprint make it well suited for control cabinets, interface applications, and industrial automation tasks. 

Key Features:

• Nominal coil voltage: 24 V DC; input voltage range: 16.8 V DC to 26.4 V DC. 

• Two change-over (2×21) contacts, contact material AgSnO.

• Limiting continuous current: 8 A. 

• Maximum switching voltage: 250 V AC / 30 V DC. 

• Free-wheeling diode in the coil circuit, LED status display, mechanical indicator.

• FASTON connection method. 

• Mechanical service life approx. 5 × 10⁷ cycles. 

• Operating ambient temperature: –40 °C to +70 °C.

Technical Specification Table:

Applications & Use-Cases:
This relay is ideal for use in control panels, automation systems, interface modules, and any industrial installation requiring a reliable DPDT relay with a 24 V DC coil. The LED status, mechanical indicator and compact size make it particularly useful where high-density installations or monitoring of relay status is required.

Why Choose This Model?

• Compact, plug-in design with FASTON connection simplifies installation and replacement.

• The combination of LED indicator + mechanical switching position indicator improves situational awareness and troubleshooting.

• Robust 8 A contact rating supports moderate switching loads.

• Made by Phoenix Contact and part of the Essential Edition series — offering strong industrial reliability in a value package.