Finder 38.31.0.024.9024 – 38 Series Relay Interface Modules

Why Choose the Finder 38.31.0.024.9024 Solid State Relay Interface Module?

The Finder 38.31.0.024.9024 is a compact and reliable 5 A solid state relay (SSR) interface module designed for switching DC electrical loads in industrial automation, PLC control systems and electronic equipment. As part of the Finder Series 38 relay interface module range, it combines solid state switching technology with a convenient DIN rail-mounted design for integration into industrial control panels.

Unlike conventional electromechanical relays, this interface module uses semiconductor switching technology without mechanically moving output contacts. This enables silent operation, fast switching and long electrical service life, making it particularly suitable for automation systems requiring frequent switching and dependable electronic control.

Featuring a 24 V AC/DC control input, a single normally open solid state output and a 5 A DC output rating, the Finder 38.31.0.024.9024 provides an effective interface between compatible control equipment and DC loads. Its 14 mm wide housing, integrated status indication and protection circuit, and standard DIN rail mounting simplify installation and maintenance.

Key Advantages

• Compact 5 A solid state relay interface module for industrial automation.
• 24 V AC/DC control input for compatible PLC and electronic control systems.
• Single normally open solid state output for switching DC loads.
• Semiconductor switching provides silent operation without mechanical contact movement.
• Fast switching response supports automated control applications.
• Long electrical service life due to the absence of mechanical switching contacts.
• 14 mm wide modular housing helps conserve space inside electrical control panels.
• Integrated input status indication simplifies diagnostics and troubleshooting.
• Built-in input protection circuitry supports reliable operation.
• Standard 35 mm DIN rail mounting enables convenient installation.
• Replaceable relay arrangement with a retaining and ejection clip simplifies maintenance.

Key Features

• Finder Series 38.31 solid state relay interface module.
• 5 A rated DC output current.
• 24 V AC/DC nominal control voltage.
• Single normally open (1 NO / SPST-NO) output.
• 24 V DC output switching for compatible loads.
• Solid state semiconductor switching technology.
• Silent operation without electromechanical contact movement.
• Fast switching performance for electronic control systems.
• Integrated input indication and protection circuitry.
• 14 mm wide interface module.
• 35 mm DIN rail mounting in accordance with EN 60715.
• Screw terminal connections for secure electrical wiring.
• Relay retaining clip with convenient ejection mechanism.
• Suitable for PLC output interfacing and DC load switching.
• Designed for installation inside industrial control cabinets and electrical panels.

Reliable Solid State Switching for Industrial Automation

Solid state relay interface modules such as the Finder 38.31.0.024.9024 provide a convenient method of controlling DC electrical loads from compatible automation equipment. When the appropriate 24 V AC/DC control signal is applied, the semiconductor output switches into its conducting state, allowing current to flow through the connected DC load. When the control signal is removed, the output returns to its non-conducting state.

Unlike electromechanical relays, solid state relays do not use moving contacts to perform switching. This provides several practical advantages, including silent operation, rapid switching and reduced mechanical wear. These characteristics make the Finder Series 38.31 suitable for applications involving frequent switching cycles and electronic automation equipment.

The module's integrated input indication and protection circuit support straightforward commissioning and fault diagnosis. Its 14 mm DIN rail-mounted design provides convenient integration into industrial control panels, while the removable relay arrangement allows maintenance without replacing the complete interface assembly.

As with other semiconductor switching devices, the output must be matched to the connected load's voltage, current and switching characteristics. Appropriate protection and thermal considerations are important when operating near the rated output current.

Typical Applications

• PLC output interfacing and industrial automation systems.
• DC electrical load switching applications.
• Industrial control panels and automation cabinets.
• Packaging and labelling machinery.
• Bottling and production line equipment.
• Electronic control and interface circuits.
• Industrial signalling and indication systems.
• Automated machinery requiring silent switching.
• Building automation and electrical control systems.
• Control of compatible DC actuators and electronic loads.
• OEM machinery and electronic control equipment.
• Applications requiring frequent switching without mechanical contact wear.