Why Choose the Finder 7S.43.9.110.0211 Safety Relay?
The Finder 7S.43.9.110.0211 is a 110 V DC modular safety relay with three forcibly guided contacts, designed for safety-related switching, contact monitoring and industrial automation applications. Part of the Finder 7S Series, this relay features 2 normally open (NO) and 1 normally closed (NC) contacts, providing two switching paths and an auxiliary feedback contact for appropriately engineered safety control systems.
Its forcibly guided contact technology mechanically links the normally open and normally closed contacts, helping external monitoring circuits detect certain contact failures, including welded contacts. The relay offers a 6 A rated contact current and 250 V AC nominal contact switching voltage, making it suitable for compatible industrial control and auxiliary switching loads.
Featuring a 110 V DC coil, screwless spring-clamp terminals, integrated LED coil status indication and a compact 22.5 mm-wide housing, the Finder 7S.43.9.110.0211 is designed for straightforward installation on a 35 mm DIN rail. Its dual-channel switching arrangement makes it particularly suitable for machinery safety interfaces, lift controls, material handling equipment and industrial automation panels.
Key Advantages
- Three forcibly guided contacts support safety-related switching and monitored feedback.
- 2 NO + 1 NC contact configuration provides two normally open switching contacts and one normally closed auxiliary contact.
- Dual-channel (1oo2) architecture supports appropriately designed redundant safety switching arrangements.
- 110 V DC nominal coil for compatible industrial DC control systems.
- 6 A rated contact current for suitable auxiliary and control loads.
- 250 V AC nominal switching voltage supports compatible industrial switching applications.
- Forcibly guided contact construction helps external monitoring circuits detect certain contact failures.
- Silver tin oxide, silver nickel and gold contact materials provide suitable industrial switching characteristics.
- Screwless spring-clamp terminals simplify electrical connections and servicing.
- Integrated LED indication allows convenient visual checking of coil energisation.
- 22.5 mm slimline housing helps conserve space inside electrical control cabinets.
- 35 mm DIN rail mounting enables straightforward panel installation.
- IP20 protection rating for installation within a suitable electrical enclosure.
Key Features
- Finder 7S Series modular relay with forcibly guided contacts.
- Type 7S.43 three-contact safety relay module.
- 110 V DC nominal coil voltage.
- 2 NO + 1 NC contact arrangement.
- Two normally open safety-related switching outputs.
- One normally closed auxiliary signalling and feedback contact.
- Dual-channel (1oo2) architecture.
- 6 A rated contact current.
- 250 V AC nominal contact switching voltage.
- Silver tin oxide, silver nickel and gold contact materials.
- Mechanically linked contacts for suitable diagnostic and monitoring circuits.
- Screwless spring-clamp connections.
- Integrated LED coil status indicator.
- 35 mm DIN rail mounting according to EN 60715.
- 22.5 mm housing width.
- IP20 enclosure protection rating.
- −40 to +70 °C operating temperature range.
- RoHS-compliant construction.
Technical Specifications
- Manufacturer: Finder
- Series: 7S Series
- Type: 7S.43
- Manufacturer part number: 7S.43.9.110.0211
- Product type: Modular safety relay with forcibly guided contacts
- Nominal coil voltage: 110 V DC
- Supply voltage type: DC
- Number of contacts: 3
- Contact configuration: 2 NO + 1 NC
- Contact arrangement: DPST-NO + SPST-NC
- Safety-related switching contacts: 2 NO
- Auxiliary signalling contact: 1 NC
- Channel architecture: Dual-channel (1oo2)
- Contact technology: Forcibly guided
- Rated contact current: 6 A
- Nominal contact switching voltage: 250 V AC
- Contact materials: Silver tin oxide, silver nickel and gold
- Operating temperature: −40 to +70 °C
- Protection rating: IP20
- Terminal type: Screwless spring-clamp terminals
- Status indication: Integrated LED coil indicator
- Mounting type: 35 mm DIN rail
- DIN rail standard: EN 60715
- Dimensions (W × H × D): 22.5 × 78.8 × 96 mm
- RoHS compliance: Yes
- Country of origin: Italy
- EAN: 8012823421155
Dual-Channel Safety Switching and Forcibly Guided Contact Monitoring
Industrial safety-related control systems frequently require redundant switching paths and diagnostic feedback to help identify relay contact failures. The Finder 7S.43.9.110.0211 provides two normally open switching contacts and one normally closed auxiliary contact in a forcibly guided arrangement, enabling the NC contact to be incorporated into an external feedback or monitoring circuit.
The dual-channel (1oo2) architecture supports applications where two switching channels are required as part of a wider safety-related control system. Its mechanically linked contacts help support fault detection when used with suitable external monitoring equipment. This makes the relay a practical choice for machinery safety interfaces, industrial automation equipment and applications requiring controlled switching with diagnostic feedback.
With its 110 V DC coil, 6 A contact rating, screwless terminals and compact DIN rail housing, the relay is suitable for industrial electrical control cabinets. It is a safety-related relay component rather than a complete standalone safety controller; the achieved safety category, performance level or safety integrity level depends on the overall system architecture, monitoring arrangements and validation.
Typical Applications
- Industrial machinery safety-related control circuits.
- Safety relay expansion and monitored switching interfaces.
- Emergency stop switching within validated safety systems.
- Machine guarding and safety interlock monitoring.
- Lifts, elevators and escalator control systems.
- Hoists, cranes and material handling equipment.
- Automated warehouses and carousel storage systems.
- Automatic car wash control equipment.
- Chemical, petrochemical and industrial process control systems.
- Electrical control cabinets using compatible 110 V DC supplies.
