Why Choose the Finder 7S.36.9.110.5420 Safety Relay?
The Finder 7S.36.9.110.5420 is a high-quality electromechanical safety relay with forcibly guided contacts, designed for industrial machinery, monitored switching circuits and safety-related automation applications. Part of the Finder 7S Series, this relay combines dependable switching performance with a compact DIN rail-mounted design suitable for industrial control cabinets.
Featuring six forcibly guided contacts arranged as 4 normally open (NO) and 2 normally closed (NC), the relay provides four switching paths and two feedback contacts. Its mechanically linked contact arrangement supports external fault monitoring, allowing suitable safety circuits to detect specified failures such as welded contacts.
With a 110 V DC operating coil, 6 A rated contact current, 250 V AC nominal switching voltage and gold-plated silver tin oxide contacts, the Finder 7S.36.9.110.5420 provides reliable switching for industrial control applications. Its screw terminal connections, 22.5 mm wide housing and DIN rail mounting simplify installation and maintenance.
Key Advantages
- Six forcibly guided contacts provide dependable switching and feedback functionality.
- 4 NO + 2 NC contact configuration supports multiple switching outputs and monitored feedback circuits.
- 110 V DC operating coil suitable for industrial DC control supplies.
- 6 A rated contact current for appropriately rated control loads.
- 250 V AC nominal switching voltage supports industrial electrical applications.
- Class A forcibly guided contacts enable fault detection through suitable external monitoring equipment.
- Silver tin oxide contacts with gold plating provide reliable electrical switching characteristics.
- 1,500 VA AC-1 switching capacity for suitable resistive loads.
- Screw terminal connections provide secure and convenient wiring.
- 22.5 mm wide modular housing helps conserve space in electrical control panels.
- DIN rail mounting supports straightforward installation.
- IP20 protection rating for installation within suitable electrical enclosures.
Key Features
- Finder 7S Series modular safety relay.
- Six-pole electromechanical relay construction.
- 4 normally open and 2 normally closed contacts.
- Class A forcibly guided contact technology.
- 110 V DC nominal coil voltage.
- DC-operated control coil.
- 6 A rated contact current.
- 250 V AC nominal switching voltage.
- 1,500 VA maximum AC switching capacity.
- 1.4 W nominal coil power consumption.
- Silver tin oxide (AgSnO₂) contacts with gold plating.
- 12 ms typical operate time.
- 10 ms typical release time.
- Screw terminal electrical connections.
- 35 mm DIN rail mounting.
- 22.5 mm housing width.
- IP20 protection rating.
- RoHS-compliant construction.
Technical Specifications
- Manufacturer: Finder
- Series: 7S Series
- Model: 7S.36.9.110.5420
- Product type: Electromechanical safety relay
- Contact technology: Forcibly guided electromechanical contacts
- Contact guidance classification: Class A
- Contact configuration: 4 NO + 2 NC
- Number of contacts: 6
- Contact form: 4 Form A + 2 Form B
- Nominal coil voltage: 110 V DC
- Coil supply type: DC
- Nominal coil power consumption: 1.4 W
- Rated contact current: 6 A
- Nominal switching voltage: 250 V AC
- Rated AC-1 switching capacity: 1,500 VA
- Contact material: Silver tin oxide (AgSnO₂) with gold plating
- Typical operate time: 12 ms
- Typical release time: 10 ms
- Dielectric strength between coil and contacts: 6,000 V AC
- Protection rating: IP20
- Mounting type: DIN rail
- DIN rail size: 35 mm
- Terminal type: Screw terminals
- Housing width: 22.5 mm
- Dimensions (W × H × D): 22.5 × 78.8 × 96 mm
- Applicable contact standard: EN 61810-3
- Country of origin: Italy
- RoHS compliance: Compliant
- Farnell order code: 4068544
Reliable Safety Switching for Industrial Machinery
Forcibly guided contact relays are important components in machinery safety-related control systems. Their mechanically linked normally open and normally closed contacts are designed so that opposing contact types cannot simultaneously remain closed under specified fault conditions. This characteristic enables suitable external monitoring circuits to detect failures such as welded contacts.
The Finder 7S.36.9.110.5420 combines four normally open switching contacts with two normally closed feedback contacts. This configuration is particularly useful for safety relay expansion assemblies, monitored contactor circuits and machinery control systems requiring multiple switching paths.
Its Class A forcibly guided contact technology supports integration into safety-related control architectures designed in accordance with applicable functional safety standards. Depending on the complete system design and assessment, the relay can form part of systems targeting specified safety integrity levels or performance levels.
The 110 V DC coil makes this model suitable for industrial installations using higher-voltage DC control supplies. The 6 A contact rating, gold-plated contact surfaces and screw terminal connections provide a practical combination of switching capability and installation convenience.
The Finder 7S.36.9.110.5420 is a forcibly guided electromechanical relay component rather than a standalone safety controller. The achieved safety performance depends on the complete control system architecture, external monitoring equipment, diagnostic coverage and application-specific safety assessment.
Typical Applications
- Industrial machinery safety-related control circuits.
- Emergency-stop switching arrangements with external safety monitoring.
- Safety relay expansion and interface assemblies.
- Machine guarding and interlock monitoring systems.
- Monitored contactor switching and feedback circuits.
- Industrial automation and electrical control cabinets.
- 110 V DC industrial control and auxiliary switching circuits.
- Manufacturing machinery and automated production equipment.
- Packaging machinery and material handling systems.
- Conveyor systems and automated warehouse equipment.
- Industrial lifting equipment and machinery control interfaces.
- OEM machinery control panels and electrical automation installations.
