RELAY BASE 24V 2900445

Product Description

The 2900445 Relay Base is a PLC interface relay socket module manufactured by Phoenix Contact. It is part of the PLC-INTERFACE series, designed to mount plug-in relays and provide safe switching, signal isolation, and easy replacement in industrial control systems.

This module is widely used in PLC panels, automation systems, and machine control circuits, where fast relay replacement and compact wiring are required.

Key Features

• PLC interface relay base (without relay inserted)
• 24V DC input control version
• Supports plug-in electromechanical or solid-state relays
• Integrated protection circuitry (flyback diode & polarity protection)
• Push-in / screw terminal connection system (variant dependent)
• Compact 6.2 mm DIN rail module design
• LED status indication support (with relay module)
• High electrical isolation between coil and contact side
• Tool-free relay replacement (plug-in design)
• Suitable for high-density control panels

Technical Specifications

• Product Type: Relay Base / PLC Interface Module
• Model: 2900445 (PLC-BPT-24DC/21)
• Manufacturer: Phoenix Contact
• Series: PLC-INTERFACE
• Input Voltage: 24 V DC
• Contact Configuration: 1 changeover contact (SPDT)
• Mounting Type: DIN rail (NS 35/7.5)
• Width: 6.2 mm
• Connection Type: Push-in / screw terminal (depending on version)
• Protection Circuit: Flyback diode + polarity protection
• Operating Temperature: -40°C to +60°C
• Rated Insulation Voltage: up to 250 V (system dependent)
• Function: Relay socket/interface base (relay sold separately)
• Compatibility: PLC-INTERFACE plug-in relays (RIF / PLC relay cartridges)