Why Choose the Finder 7S.36.9.024.5510 Safety Relay?
The Finder 7S.36.9.024.5510 is a professional 24 V DC safety relay with six forcibly guided contacts, designed for industrial automation, machinery safety and monitored electrical control systems. Part of the Finder 7S Series, this modular electromechanical relay features a 5 normally open (NO) + 1 normally closed (NC) contact configuration and a 6 A rated contact current.
Its five normally open contacts provide multiple switching paths, while the normally closed contact can be used for feedback monitoring in an appropriately designed control circuit. This arrangement is particularly useful for industrial applications requiring several switching outputs together with a dedicated contact for monitoring relay operation.
The Finder 7S.36.9.024.5510 features Class A forcibly guided contact technology, silver tin oxide contacts with gold plating, screw terminal connections and an integrated LED status indicator. Its compact 22.5 mm-wide DIN rail housing makes it suitable for installation in industrial control panels and automation cabinets.
Key Advantages
- Six forcibly guided contacts support monitored switching in industrial control systems.
- 5 NO + 1 NC configuration provides five normally open switching contacts and one normally closed feedback contact.
- 24 V DC coil for compatible low-voltage automation supplies.
- 6 A rated contact current for suitable industrial loads.
- 250 V AC nominal contact voltage for compatible switching applications.
- Class A forcibly guided contacts support the detection of specified contact failures.
- Gold-plated silver tin oxide contact construction provides a durable switching interface.
- Integrated LED status indication assists commissioning and troubleshooting.
- Screw terminals provide conventional, secure electrical connections.
- 22.5 mm-wide housing helps conserve DIN rail space.
- 35 mm DIN rail mounting simplifies integration into industrial cabinets.
- −40 to +70 °C operating temperature range supports demanding industrial environments.
- IP20 protection rating for installation within suitable electrical enclosures.
- Suitable for appropriately engineered machinery safety-related control circuits.
Key Features
- Finder 7S Series electromechanical safety relay.
- Six-pole relay with mechanically linked contacts.
- Five normally open contacts and one normally closed contact.
- Class A forcibly guided contact construction.
- 24 V DC nominal coil voltage.
- 6 A rated contact current.
- 250 V AC nominal switching voltage.
- 1,500 VA rated AC-1 switching capacity.
- Silver tin oxide contact material with gold plating.
- Integrated LED coil status indication.
- Monostable, non-latching operation.
- Screw terminal connections.
- 35 mm DIN rail mounting.
- 22.5 mm module width.
- IP20 enclosure protection rating.
- −40 to +70 °C ambient operating temperature range.
- 10 million mechanical operations under specified conditions.
- 100,000 electrical operations under specified test conditions.
- Suitable for industrial automation, safety-related switching and monitored control applications.
Technical Specifications
- Manufacturer: Finder
- Series: 7S
- Manufacturer part number: 7S.36.9.024.5510
- Alternative part number: 7S3690245510
- Product type: Modular safety relay with forcibly guided contacts
- Relay technology: Electromechanical
- Contact configuration: 5 NO + 1 NC
- Number of contacts: 6
- Contact form: 5 Form A + 1 Form B
- Contact mechanism: Forcibly guided / mechanically linked
- Contact classification: Class A
- Nominal coil voltage: 24 V DC
- Coil resistance: Approximately 571 Ω
- Coil power: 2.3 W (RS-listed specification; verify against the manufacturer's datasheet)
- Rated contact current: 6 A
- Nominal switching voltage: 250 V AC
- Rated switching capacity (AC-1): 1,500 VA
- Contact material: Silver tin oxide (AgSnO₂), gold plated
- Relay operation: Monostable / non-latching
- Mechanical durability: 10 million operations
- Electrical durability: 100,000 operations under specified conditions
- Coil-to-contact isolation: 6 kV, as listed by RS
- Status indication: Integrated LED
- Terminal type: Screw terminals
- Mounting type: DIN rail
- Module width: 22.5 mm
- Dimensions: 22.5 × 86.2 × 100.3 mm
- Ambient operating temperature: −40 to +70 °C
- Protection rating: IP20
- Pollution degree: 2
- Rated insulation voltage: 250 V
- Contact standard: EN 61810-3
- Approvals and markings: CE, cULus and EAC, as listed by distributors
- RoHS compliance: Yes
- Country of origin: Italy
- EAN / GTIN-13: 8012823436968
- Primary applications: Industrial automation, machinery control and monitored switching circuits
How Forcibly Guided Contacts Support Safety Monitoring
The Finder 7S.36.9.024.5510 uses forcibly guided contact technology to support the monitoring of relay switching operations. Unlike conventional relays, its normally open and normally closed contacts are mechanically linked to maintain a defined relationship between their operating positions.
If a normally open contact becomes welded closed, the mechanical linkage prevents the normally closed contact from returning to its closed position. An appropriately designed external monitoring circuit can detect this condition and initiate a suitable response, such as preventing a machine from restarting until the fault has been investigated.
The relay's 5 NO + 1 NC contact arrangement is particularly useful where several normally open switching outputs are required alongside a feedback contact. The five normally open contacts can be assigned to compatible switching duties, while the normally closed contact can provide diagnostic information to a safety controller or monitoring circuit.
This design supports applications involving machine guarding, monitored output stages, interlocking systems and industrial automation. However, the relay is not a complete standalone safety controller. Achieving a specified Performance Level or Safety Integrity Level depends on the complete safety function, including circuit architecture, diagnostic coverage, reliability calculations and validation.
Compact DIN Rail Installation and 24 V DC Control
The Finder 7S.36.9.024.5510 operates from a 24 V DC nominal coil supply, making it suitable for integration into compatible low-voltage industrial control systems. Its six-contact configuration offers multiple switching paths without requiring separate individual relays for every output.
The relay is designed for DIN rail mounting and uses screw terminals for electrical connections. Its compact 22.5 mm-wide housing is particularly useful in control panels where installation space is limited.
An integrated LED status indicator provides a convenient visual indication of coil energisation. This can assist during installation, commissioning and troubleshooting, although the LED does not independently verify that every relay contact has switched correctly.
The relay's IP20 protection rating means it should be installed inside a suitable protective enclosure. Its operating temperature range of −40 to +70 °C supports use across a wide range of industrial environments when installed in accordance with the manufacturer's requirements.
Typical Applications
- Industrial machinery safety-related control circuits.
- Safety PLC output and feedback interfaces.
- Emergency-stop control architectures with external monitoring.
- Machine guarding and safety interlocking systems.
- Industrial automation control panels.
- Manufacturing and production line equipment.
- Conveyor and material-handling systems.
- Packaging and processing machinery.
- Automated warehouse and storage equipment.
- Industrial lifting and handling equipment.
- Monitored relay output stages.
- Multiple-output switching systems.
- Applications requiring five normally open contacts and one normally closed feedback contact.
