7S.14.9.024.4310T Finder Relay module DC 24V 3NO1 NC

Why Choose the Finder 7S.14.9.024.4310T Forcibly Guided Safety Relay?

The Finder 7S.14.9.024.4310T is a member of the Finder 7S Series of forcibly guided safety relays, designed for use in industrial automation, machinery control and safety-related electrical systems. The 7S family uses mechanically linked contacts to support reliable monitoring of relay contact states in appropriately designed safety circuits.

The closely related Finder 7S.14.9.024.4310 is specified with a 24 V DC coil, four contacts arranged as 3 normally open (NO) and 1 normally closed (NC), and a 6 A contact rating at 250 V AC. It features spring-loaded, screwless terminals, DIN rail mounting and LED coil status indication.

The 7S.14.9.024.4310T reference includes an additional T suffix. The precise significance of this suffix has not been independently established, so the electrical and mechanical specifications below describe the verified 7S.14.9.024.4310 base configuration and should be confirmed against the manufacturer's documentation for the exact T-suffix version before publication or procurement.

Forcibly guided contacts are particularly valuable in safety-related control systems because the mechanical linkage helps prevent normally open and normally closed contacts from simultaneously assuming contradictory closed states. This contact behaviour enables suitable monitoring circuits to detect certain contact failures, including welded contacts.

With its compact modular design, 24 V DC control supply and straightforward DIN rail installation, the Finder 7S Series is suitable for professional panel builders, machine manufacturers, automation engineers and maintenance teams developing or servicing appropriately designed safety control systems.

Key Advantages

• Forcibly guided contacts: Mechanically linked contact operation supports fault detection in appropriately designed safety circuits.
• 24 V DC coil: Compatible with common industrial control supply arrangements.
• 3 NO + 1 NC contact arrangement: Provides multiple switching and feedback paths in the verified base configuration.
• 6 A contact rating: Supports switching of suitably rated control loads.
• 250 V AC contact voltage rating: Suitable for compatible AC switching applications.
• Spring-loaded terminals: Allow screwless conductor connections.
• DIN rail mounting: Supports straightforward installation in industrial control cabinets.
• LED coil indication: Provides a convenient visual indication of relay energisation.
• Silver tin oxide contacts: Provide switching contacts suited to the specified relay applications.
• Compact 22.5 mm width: Helps conserve control panel space.
• Low coil power consumption: The verified base configuration uses approximately 1 W.
• Wide operating temperature range: The base configuration is rated from -40 °C to +70 °C.
• Long mechanical service life: The base configuration is rated for up to 10 million mechanical operations.
• Safety circuit integration: Suitable as a component within an appropriately designed and validated safety-related control system.

Key Features

• Manufacturer: Finder.
• Series: 7S Series.
• Requested product reference: 7S.14.9.024.4310T.
• Verified base reference: 7S.14.9.024.4310.
• Product type: Forcibly guided safety relay.
• Coil voltage: 24 V DC.
• Contact configuration: 3 NO + 1 NC.
• Number of contacts: 4.
• Rated contact current: 6 A.
• Nominal AC switching voltage: 250 V AC.
• Contact material: Silver tin oxide (AgSnO).
• Coil power: Approximately 1 W.
• Coil current: Approximately 42.2 mA.
• Operate time: Approximately 12 ms.
• Release time: Approximately 10 ms.
• Electrical terminals: Spring-loaded / screwless.
• Mounting: DIN rail.
• LED status indication: Yes.
• Ingress protection: IP20.
• Operating temperature: -40 °C to +70 °C.
• Contact design: Forcibly guided.

Technical Specifications

Important: The following technical ratings are verified for the Finder 7S.14.9.024.4310 base model. Confirm their applicability to 7S.14.9.024.4310T before treating this list as an exact T-suffix datasheet.

• Manufacturer: Finder
• Product series: 7S
• Requested SKU: 7S.14.9.024.4310T
• Verified base model: 7S.14.9.024.4310
• Product category: Safety relay / forcibly guided relay
• Coil supply: 24 V DC
• Contact arrangement: 3 normally open + 1 normally closed
• Total number of contacts: 4
• Rated contact current: 6 A
• Nominal switching voltage: 250 V AC
• Contact material: Silver tin oxide (AgSnO)
• Coil power consumption: 1 W
• Coil current: 42.2 mA
• Coil resistance: Approximately 569 Ω
• Must-operate voltage: 16.8 V DC
• Must-release voltage: 2.4 V DC
• Operate time: 12 ms
• Release time: 10 ms
• Mechanical durability: 10,000,000 operations
• Electrical endurance: 100,000 operations under specified test conditions
• Insulation voltage: 250 V
• Pollution degree: 2
• Terminal connection: Spring-loaded / push-in
• Mounting method: DIN rail
• Housing width: 22.5 mm
• Housing height: 86.2 mm
• Overall depth: Approximately 100.3 mm
• Ingress protection: IP20
• Operating temperature: -40 °C to +70 °C
• Visual status indication: LED
• Contact guidance: Forcibly guided contact mechanism

How Forcibly Guided Contacts Support Safety Circuit Monitoring

The defining feature of the Finder 7S safety relay family is its forcibly guided contact mechanism. Unlike an ordinary general-purpose relay, a forcibly guided relay uses a mechanical arrangement that constrains the relationship between its normally open and normally closed contacts.

This mechanical relationship is important when designing safety-related control systems. If a normally open contact becomes welded closed, the associated normally closed contact is prevented from returning to its normal closed state in the specified fault condition. A correctly designed external monitoring circuit can use this behaviour to detect certain relay contact faults.

In the verified 3 NO + 1 NC configuration, the three normally open contacts can be used for suitably rated switching functions, while the normally closed contact can support a feedback or monitoring function according to the system design.

However, a forcibly guided relay is not a complete safety controller. The overall safety performance of a machine depends on the complete circuit architecture, including input devices, logic, output stages, diagnostics, fault handling and validation.

The relay should therefore be selected and incorporated by a competent designer who can determine the required safety category, performance level or safety integrity level for the specific application.

24 V DC Control and Four-Contact Switching Arrangement

The verified Finder 7S.14.9.024.4310 base model operates from a 24 V DC coil supply, a voltage commonly used in industrial control systems. Its approximately 1 W coil consumption supports integration into suitably rated control power supplies.

The 3 NO + 1 NC contact arrangement offers multiple isolated switching paths. The normally open contacts can be incorporated into control or enable circuits, while the normally closed contact may be used as part of a monitored feedback arrangement.

With a 6 A contact rating at 250 V AC, the relay is suitable for switching appropriately rated loads. Actual switching capability depends on load type, voltage, current, duty cycle and the manufacturer's specified utilisation conditions.

The base relay uses silver tin oxide contacts, which are commonly employed in electromechanical switching applications. Contact life will vary with the electrical load and the number of switching operations.

An integrated LED indicator provides a convenient local indication of the coil state, supporting commissioning, troubleshooting and routine maintenance.

Compact DIN Rail Installation and Screwless Wiring

The Finder 7S Series is designed for mounting within industrial electrical cabinets and control panels. The verified base model has a 22.5 mm housing width, allowing efficient use of DIN rail space.

The spring-loaded terminal connections simplify conductor termination without conventional screw clamps. Conductors should be prepared and installed according to the manufacturer's terminal requirements.

During installation, the coil circuit and contact circuits must be wired according to the applicable Finder connection diagram. The protective functions of the complete safety circuit should be tested before machinery is placed into service.

Maintenance should include checking terminal integrity, confirming the correct coil supply, examining switching behaviour and verifying the operation of any external feedback monitoring system.

The relay has an IP20 enclosure rating and should be installed inside a suitable electrical cabinet. The verified base configuration is specified for operation between -40 °C and +70 °C.

Because the requested SKU includes the additional T suffix, installation drawings, terminal arrangements and product identification should be checked against the documentation supplied with the exact device before replacement or commissioning.

Typical Applications

• Industrial machinery safety-related control circuits.
• Emergency-stop control architectures incorporating suitable safety monitoring.
• Safety relay interface circuits.
• Industrial automation panels.
• Machine control cabinet assemblies.
• Contact monitoring and feedback circuits.
• Safety-related output switching arrangements.
• Industrial conveyor control systems.
• Automated production machinery.
• Packaging and processing equipment.
• Material handling machinery.
• Industrial equipment refurbishment.
• Machine safety panel building.
• Applications requiring forcibly guided relay contacts.