Finder 7S.63.9.024.0211 – 7S Series Relay modules with forcibly guided contacts

Why Choose the Finder 7S.63.9.024.0211 Force-Guided Safety Relay?

The Finder 7S.63.9.024.0211 is a professional 24 V DC force-guided safety relay module designed for industrial machinery, automation equipment and safety-related electrical control systems. Part of the Finder 7S Series, this specialised relay provides 2 normally open (NO) safety contacts, 1 normally closed (NC) feedback contact and 1 auxiliary signalling contact, combining monitored switching and supplementary status indication within a compact DIN rail-mounted assembly.

Featuring a 6 A rated contact current, 250 V AC nominal switching voltage and 24 V DC operating coil, the Finder 7S.63.9.024.0211 incorporates mechanically linked contacts designed to support fault detection in appropriately engineered safety systems. Its force-guided contact construction helps external monitoring equipment identify certain failures, including welded contacts, by maintaining a defined mechanical relationship between the normally open and normally closed safety contacts.

The relay is particularly suitable for dual-channel safety control architectures and applications requiring monitored switching. The 7S.63 family is designed for integration into safety-related systems with demanding functional safety requirements, including appropriately engineered SIL 3 and PL e applications. The achieved safety classification depends on the complete system architecture, diagnostic coverage and validation rather than the relay alone.

With screw-terminal connections, an integrated LED coil-status indicator, 22.5 mm housing width and standard 35 mm DIN rail mounting, the Finder 7S.63.9.024.0211 offers a practical solution for professional industrial control panels. Its IP20 protection and operating temperature range of −40 to +70 °C support reliable installation within suitably protected electrical enclosures.

Key Advantages

• Force-guided safety contacts: Mechanically linked contacts support fault detection and monitored switching in safety-related control systems.
• 2 NO + 1 NC safety contact configuration: Provides two normally open switching outputs and one normally closed feedback contact.
• Additional auxiliary contact: Offers supplementary signalling functionality for compatible control and monitoring arrangements.
• 24 V DC operating coil: Compatible with appropriately rated industrial control power supplies.
• 6 A rated contacts: Suitable for switching compatible industrial control loads.
• 250 V AC nominal switching voltage: Supports appropriately rated AC control circuits.
• Functional safety integration: Designed for use in suitably engineered safety systems, including SIL 3 and PL e applications.
• Dual-channel safety applications: Supports redundant switching arrangements where required by the safety architecture.
• Contact-state feedback: Enables suitable monitoring equipment to detect certain contact failures.
• Silver tin oxide and gold contact materials: Provide appropriate switching and signalling characteristics for industrial applications.
• Screw-terminal connections: Provide secure and familiar wiring for control panel installation.
• Integrated LED indication: Allows quick visual identification of coil energisation.
• Compact 22.5 mm housing: Conserves space in densely populated electrical control cabinets.
• 35 mm DIN rail mounting: Simplifies installation alongside safety controllers, contactors and PLC equipment.
• Fast switching operation: Typical normally open contact operate and release times of 10 ms and 7 ms respectively.
• High mechanical endurance: Designed for approximately 10 million mechanical operations.
• Wide operating temperature range: Suitable for industrial environments between −40 and +70 °C.
• IP20 protection: Intended for installation inside appropriately protected electrical enclosures.

Key Features

• Finder 7S Series modular relay with force-guided contacts.
• Product family: 7S.63.
• Manufacturer part number: 7S.63.9.024.0211.
• Electromagnetic, non-latching relay operation.
• 2 normally open safety contacts.
• 1 normally closed feedback contact.
• 1 additional auxiliary signalling contact.
• Class A force-guided contact technology.
• Nominal coil voltage: 24 V DC.
• Nominal coil current: 60 mA.
• Nominal coil power: approximately 1.45 W.
• Coil resistance: approximately 400 Ω.
• Must-operate voltage: 20.4 V DC.
• Must-release voltage: 2.4 V DC.
• Rated contact current: 6 A.
• Nominal switching voltage: 250 V AC.
• Rated switching capacity: 1.5 kVA.
• Silver tin oxide, silver nickel and gold contact materials.
• Typical normally open contact operate time: 10 ms.
• Typical normally open contact release time: 7 ms.
• Mechanical endurance: approximately 10 million operations.
• Electrical endurance: approximately 100,000 operations under specified conditions.
• Integrated LED coil-status indicator.
• Screw-terminal electrical connections.
• Standard 35 mm DIN rail mounting.
• Compact 22.5 mm housing width.
• IP20 ingress protection.
• Operating temperature range: −40 to +70 °C.
• Force-guided contact design associated with EN 61810-3.
• Suitable for properly engineered safety-related control systems.

Reliable Force-Guided Switching for Industrial Safety Systems

Industrial machinery and automated production equipment frequently require electrical control systems that can switch multiple circuits while detecting faults capable of compromising a safety function. In these applications, a welded contact or an undetected switching failure can prevent machinery from responding as intended. The Finder 7S.63.9.024.0211 addresses these requirements through its force-guided contact construction and dedicated feedback functionality.

The relay provides two normally open safety contacts for switching compatible circuits and one normally closed feedback contact for monitoring the switching state. The force-guided mechanical linkage is designed to prevent specified normally open and normally closed contacts from being closed simultaneously, even under certain contact-welding conditions. This enables an appropriately designed external monitoring circuit to detect selected relay faults before the machinery is permitted to restart.

An additional auxiliary signalling contact provides further flexibility for status indication and control-system integration. The auxiliary contact must be used according to the manufacturer's connection diagram and applicable electrical ratings; its presence does not automatically make it an additional safety-rated switching output.

The 24 V DC coil is compatible with common industrial control supplies. Its nominal 60 mA coil current, approximately 1.45 W coil power and 400 Ω coil resistance support predictable electromagnetic operation. The specified must-operate voltage of 20.4 V DC and must-release voltage of 2.4 V DC provide useful parameters for control circuit design.

The relay's 6 A contact rating, 250 V AC nominal switching voltage and 1.5 kVA rated switching capacity support a variety of industrial control loads. The actual permissible load depends on the utilisation category, switching frequency, inrush current and operating conditions. Designers should consider contact protection and appropriate upstream circuit protection where required.

With typical normally open contact operate and release times of 10 ms and 7 ms, the Finder 7S.63.9.024.0211 provides responsive switching. Its specified mechanical endurance of approximately 10 million operations supports repeated operation in industrial control environments. Electrical endurance depends on the connected load and switching conditions.

The relay's screw terminals provide secure connections for industrial panel wiring, while its integrated LED gives local visual confirmation of coil energisation. The compact 22.5 mm DIN rail housing allows convenient integration alongside safety controllers, PLCs, contactors and monitoring equipment.

Functional safety consideration: The Finder 7S.63.9.024.0211 is suitable for incorporation into properly engineered safety-related systems, including architectures targeting SIL 3 or PL e. However, the relay alone does not establish the safety integrity of the complete machine. The final safety classification depends on the architecture, redundancy, diagnostic coverage, reliability calculations, common-cause failure measures and validation of the complete safety function.

Typical Applications

• Industrial machinery safety: Force-guided switching in professionally engineered safety-related control systems.
• Emergency-stop systems: Switching and feedback monitoring in suitable emergency-stop architectures.
• Machine guard interlocking: Contact-state feedback in compatible guard monitoring circuits.
• Dual-channel safety systems: Integration into redundant safety control arrangements.
• Safety PLC installations: Relay switching and external device monitoring alongside compatible safety controllers.
• Industrial automation: Monitored switching in automated manufacturing equipment.
• 24 V DC control systems: Integration into common industrial low-voltage control installations.
• Conveyor systems: Safety-related switching and feedback monitoring in material-handling equipment.
• Packaging machinery: Relay switching in suitable machine safety assemblies.
• Automated warehouses: Monitored control functions in storage and retrieval systems.
• Hoists and cranes: Compatible switching and monitoring functions in lifting equipment controls.
• Lift and escalator systems: Force-guided relay applications in properly engineered control systems.
• Woodworking machinery: Monitored electrical switching within suitable machinery safety systems.
• Industrial process control: Relay switching with contact-state feedback.
• Chemical and petrochemical facilities: Integration into suitable industrial control architectures.
• Automated car wash systems: Switching and monitoring in machinery control equipment.
• Safety control cabinets: Compact DIN rail-mounted relay modules with feedback contacts.
• Machine refurbishment: Replacement of compatible Finder 7S.63 force-guided relay modules.