Phoenix Contact PLC-RSC-24DC/21 Relay Module – 24 V DC Coil, 1 Changeover Contact (SPDT), DIN-rail Mount, Item 2966171

Detailed Description:

The Phoenix Contact PLC-RSC-24DC/21 (Item No. 2966171) is a robust interface relay module designed for industrial control and automation systems. It features a 24 V DC coil for compatibility with standard control voltage systems, and provides one changeover contact (SPDT) for reliable switching functions. phoenixcontact.com+1

Key Features & Benefits:

• Compact DIN-rail mount design (NS 35/7.5) for space-efficient panel installation. Cloudinary+1

• 24 V DC input nominal voltage, with an input range of ~20 V to ~33.6 V at 20 °C — allowing flexibility in control environments. docs.rs-online.com+1

• Low input current (approx. 9 mA typical) and quick switching times (response ~5 ms, release ~8 ms) for responsive operation. docs.rs-online.com

• Contact capability up to 250 V AC/DC with limiting continuous current of 6 A, making it suitable for moderate load switching. farnell.com+1

• Safe isolation between coil and contact side in accordance with DIN EN 50178, ensuring secure operation and compliance. Cloudinary+1

• Slim width of only approx. 6.2 mm — ideal for dense installations and where panel space is limited. docs.rs-online.com+1

• Designed for 100 % duty operation and mechanical service life of up to 2×10^7 cycles — delivering industrial-grade reliability. docs.rs-online.com+1

Typical Applications:

• Control cabinet installations, interface between PLCs and field devices

• Automation systems requiring clean logic-to-power signal isolation

• Switching loads in machinery, conveyors, packaging equipment

• Panel modernization or design where DIN-rail mounting and compact form-factor are valued

Technical Specifications at a Glance:

• Nominal coil voltage: 24 V DC docs.rs-online.com

• Input current at nominal voltage: ≈ 9 mA docs.rs-online.com

• Contact configuration: 1 changeover contact (SPDT) docs.rs-online.com+1

• Maximum continuous current: 6 A farnell.com

• Maximum switching voltage: 250 V AC/DC Cloudinary+1

• Typical response/operate time: 5 ms; release time: 8 ms docs.rs-online.com

• Ambient operating temperature: –40 °C to +60 °C in.rsdelivers.com+1

• Mounting: DIN-rail NS 35/7.5 ﹣ Screw connection terminals Cloudinary+1

• Width: 6.2 mm approx. docs.rs-online.com

Why Choose This Module?
If you’re looking for a compact yet high-performance interface relay for switching functions in control cabinets or automation panels, this module gives you the ideal combination: trusted brand, slim footprint, DIN-rail ready, and widely compatible voltage & current ratings. Its construction supports harsh industrial environments and offers a standard input-to-output interface for PLCs and field loads.

Scope of Delivery:
One (1) Phoenix Contact PLC-RSC-24DC/21 relay module, item number 2966171.

Note: Be sure to check the compatibility of the relay contact rating with your load and ensure proper DIN-rail mounting and wiring in accordance with local installation standards.