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

Why Choose the Finder 7S.14.9.024.4310 Force-Guided Safety Relay?

The Finder 7S.14.9.024.4310 is a professional 24 V DC force-guided safety relay module designed for industrial automation, machinery safety and safety-related electrical control systems. Part of the Finder 7S Series, this four-pole relay features 3 normally open (NO) contacts and 1 normally closed (NC) contact, providing a practical combination of switching outputs and contact-state feedback for monitored control applications.

Featuring a 6 A contact rating, 250 V AC nominal switching voltage and 24 V DC coil, the Finder 7S.14.9.024.4310 combines dependable electromagnetic switching with mechanically linked contact technology. Its force-guided contacts are designed to prevent normally open and normally closed contacts from being simultaneously closed under specified fault conditions, enabling suitable external monitoring systems to detect certain contact failures.

The module incorporates spring-clamp terminals, an integrated LED status indicator and standard DIN rail mounting. With a compact 22.5 mm housing width, IP20 protection and an operating temperature range of −40 to +70 °C, it provides a space-efficient solution for industrial control cabinets, machine safety assemblies and automated production equipment.

Key Advantages

• Force-guided contact technology: Provides mechanically linked contacts suitable for monitored safety-related switching applications.
• 3 NO + 1 NC configuration: Combines three normally open switching contacts with one normally closed feedback contact.
• 24 V DC coil: Compatible with appropriately rated industrial control power supplies.
• 6 A rated contact current: Supports a wide range of suitable control and switching loads.
• 250 V AC switching capability: Suitable for appropriately rated industrial control circuits.
• Contact-state monitoring: Supports diagnostic feedback within properly designed safety-related control systems.
• Spring-clamp terminals: Provide convenient, secure electrical connections without conventional screw terminals.
• Integrated LED indication: Enables straightforward visual identification of coil energisation.
• Compact 22.5 mm housing: Reduces the space required in densely populated control panels.
• Low coil power consumption: Approximately 1 W during nominal operation.
• Fast switching performance: Typical operate and release times of 12 ms and 10 ms respectively.
• High mechanical endurance: Designed for approximately 10 million mechanical operations.
• Silver tin oxide contacts: Provide reliable switching characteristics for compatible electrical loads.
• Wide temperature tolerance: Supports operation between −40 and +70 °C.
• Standard DIN rail mounting: Simplifies integration into industrial automation and safety control enclosures.
• Finder 7S Series construction: Designed for professional force-guided relay applications.

Key Features

• Finder 7S Series force-guided relay module.
• Product family: 7S.14.
• Manufacturer part number: 7S.14.9.024.4310.
• Electromagnetic relay with mechanically linked contacts.
• 4-pole contact arrangement.
• 3 normally open (NO) contacts.
• 1 normally closed (NC) contact.
• Nominal coil voltage: 24 V DC.
• Rated contact current: 6 A.
• Nominal switching voltage: 250 V AC.
• Contact material: silver tin oxide (AgSnO).
• Coil power consumption: 1 W.
• Typical coil current: 42.2 mA.
• Typical coil resistance: 568.7 Ω.
• Typical operate time: 12 ms.
• Typical release time: 10 ms.
• Mechanical endurance: 10 million operations.
• Electrical endurance: 100,000 operations under specified test conditions.
• Integrated LED operating indicator.
• Spring-clamp, screwless terminal connections.
• Standard 35 mm DIN rail mounting.
• Compact housing width of 22.5 mm.
• IP20 ingress protection.
• Operating temperature range of −40 to +70 °C.
• Force-guided contact design in accordance with EN 61810-3.

Reliable Force-Guided Switching for Industrial Safety Applications

Modern industrial machinery relies on electrical control systems that can perform switching operations predictably while providing information about the condition of critical components. In safety-related applications, it is particularly important to identify faults such as welded relay contacts that could prevent a switching device from returning to its intended state. The Finder 7S.14.9.024.4310 is designed to support these requirements through its force-guided contact arrangement.

The relay incorporates three normally open contacts and one normally closed contact that are mechanically linked. Under the conditions specified for force-guided contact technology, this construction prevents an NO contact and an NC contact from being closed simultaneously. The NC contact can therefore be used in an appropriately designed feedback circuit to help detect certain failures of the NO switching contacts.

Its 24 V DC coil is compatible with common industrial control supplies, while the 6 A contact rating supports switching of suitably rated electrical loads. The relay's 12 ms typical operate time and 10 ms typical release time provide predictable switching behaviour, although complete system response times must account for all connected control and output components.

The spring-clamp terminal arrangement supports efficient panel wiring and secure conductor retention. An integrated LED provides local visual indication of relay energisation, helping maintenance personnel during commissioning, testing and fault investigation. The compact 22.5 mm DIN rail housing also makes the device suitable for installation alongside safety controllers, contactors, PLCs and other industrial automation components.

The Finder 7S.14.9.024.4310 can contribute to safety-related control systems designed in accordance with applicable machinery safety standards. However, the relay alone does not establish a complete safety function or guarantee a particular Performance Level or Safety Integrity Level. System designers must assess the complete control architecture, diagnostic coverage, redundancy, switching loads and required validation before commissioning.

Typical Applications

• Industrial machinery safety: Force-guided switching in properly engineered machine safety circuits.
• Emergency-stop control systems: Switching and feedback functions within monitored safety architectures.
• Machine guard interlocking: Contact monitoring and output switching in suitable guard control circuits.
• Industrial automation: Reliable relay operation in automated manufacturing equipment.
• Conveyor systems: Safety-related control and contact-state monitoring.
• Packaging machinery: Integration into suitable machine control and safety assemblies.
• Material-handling equipment: Monitored switching within industrial transport systems.
• Automated warehouses: Safety-related relay functions in storage and retrieval machinery.
• Hoists and cranes: Compatible safety-related control and monitoring applications.
• Lift and escalator controls: Force-guided switching in appropriately engineered control systems.
• Industrial process equipment: Control circuits requiring mechanically linked relay contacts.
• Safety control panels: DIN rail-mounted switching and feedback modules.
• PLC-controlled machinery: Integration with compatible safety controllers and monitoring equipment.
• Machine maintenance and refurbishment: Replacement of compatible Finder 7S relay modules.