The part number 2967277 refers to the Phoenix Contact relay module PLC-RSC-12DC/21-21AU. This module is part of the PLC-INTERFACE series and is designed for universal applications requiring reliable switching.

Key Features:

• Input Voltage: 12 V DC
• Contact Configuration: 2 changeover contacts (DPDT - Double Pole Double Throw)
• Contact Material: Silver Nickel (AgNi) with hard gold plating
• Maximum Switching Voltage: 30 V AC / 36 V DC
• Minimum Switching Voltage: 100 mV (at 10 mA)
• Limiting Continuous Current: 50 mA
• Maximum Inrush Current: 50 mA
• Mounting: DIN rail NS 35/7.5
• Connection Method: Screw connection
• Operating Temperature Range: -40°C to 60°C
• Housing Width: 14 mm

This relay module features a slim design, making it suitable for applications with limited space. It includes an integrated input circuit and interference suppression circuit, ensuring reliable operation. The module provides safe isolation between the coil and contact side, adhering to DIN EN 50178 standards. Additionally, it is equipped with a yellow LED for operating voltage display and includes protective circuits such as reverse polarity protection and a free-wheeling diode.

The relay is RT III sealed, indicating a high level of protection against environmental factors, and has a mechanical service life of approximately 30 million cycles. It is suitable for universal applications, including those requiring the switching of small signals due to its hard gold-plated contacts.

For detailed technical specifications, you can refer to the datasheet provided by Phoenix Contact.

Please note that the availability and pricing of this relay module may vary depending on the distributor. For instance, as of the latest update, Digi-Key lists the unit price at $43.42 for single quantities.

It's advisable to check with authorized distributors or Phoenix Contact directly for the most current information.