Why Choose the Finder 7S.32.8.120.5110 Safety Relay?
The Finder 7S.32.8.120.5110 is a modular safety relay featuring forcibly guided contacts, a 120 V AC coil and a 1 normally open (NO) + 1 normally closed (NC) contact configuration. Part of the Finder 7S Series, this relay is designed for industrial control and safety-related applications where reliable switching and contact-state monitoring are required.
With a 6 A rated contact current, 250 V AC nominal switching voltage and silver nickel contacts with gold plating, the Finder 7S.32.8.120.5110 provides dependable switching for compatible industrial control circuits. Its forcibly guided contact mechanism supports fault detection when incorporated into an appropriately designed monitoring system.
The relay combines screw terminals, integrated LED indication and 35 mm DIN rail mounting in a compact 22.5 mm-wide housing. This makes it suitable for machinery control cabinets, industrial automation systems, safety interface circuits and electrical panel-building applications.
Key Advantages
- Forcibly guided contact technology: Supports contact-state monitoring and detection of certain contact faults.
- 1 NO + 1 NC configuration: Provides separate switching and feedback contacts.
- 120 V AC coil: Suitable for compatible industrial control systems.
- 6 A contact rating: Supports appropriately rated industrial switching loads.
- 250 V AC nominal switching voltage: Suitable for common industrial control applications.
- Gold-plated silver nickel contacts: Combines AgNi contact material with gold plating.
- Integrated LED indicator: Provides convenient visual indication of relay energisation.
- Screw terminals: Provides secure electrical connections for control panel wiring.
- Compact 22.5 mm housing: Supports efficient use of electrical cabinet space.
- DIN rail mounting: Enables straightforward installation in industrial enclosures.
- Fast switching: Typical operate time of 7 ms and release time of 11 ms.
- Wide temperature range: Suitable for operation between −40 and +70 °C.
- Safety-related applications: Suitable for integration into appropriately engineered machinery safety circuits.
Key Features
- Finder 7S Series modular relay.
- Forcibly guided contacts.
- Two-pole contact configuration: 1 NO + 1 NC.
- 120 V AC nominal coil voltage.
- 6 A rated contact current.
- 250 V AC nominal switching voltage.
- Silver nickel (AgNi) contacts with gold plating.
- 9.8 mA nominal coil current.
- 12.2 kΩ coil resistance.
- 1.1 W coil power rating.
- 7 ms operate time.
- 11 ms release time.
- Integrated LED coil status indicator.
- Screw terminal connections.
- 35 mm DIN rail mounting.
- 22.5 mm housing width.
- IP20 ingress protection.
- −40 to +70 °C operating temperature range.
Technical Specifications
- Manufacturer: Finder
- Series: 7S Series
- Model: 7S.32.8.120.5110
- Manufacturer part number: 7S.32.8.120.5110
- Product type: Modular relay with forcibly guided contacts
- Product category: Safety Relays
- Contact configuration: DPST-NO/NC (1 Form A + 1 Form B)
- Total number of contacts: 2
- Normally open contacts: 1
- Normally closed contacts: 1
- Contact mechanism: Forcibly guided
- Rated contact current: 6 A
- Nominal switching voltage: 250 V AC
- Contact material: Silver nickel (AgNi) with gold plating
- Nominal coil voltage: 120 V AC
- Coil current: 9.8 mA
- Coil resistance: 12.2 kΩ
- Coil power: 1.1 W
- Must-operate voltage: 93 V AC
- Must-release voltage: 12 V AC
- Operate time: 7 ms
- Release time: 11 ms
- Terminal type: Screw terminals
- Mounting method: DIN rail
- DIN rail size: 35 mm
- Mounting standard: EN 60715
- Housing width: 22.5 mm
- Status indication: Integrated LED
- Operating ambient temperature: −40 to +70 °C
- Ingress protection: IP20
- Guided-contact standard: EN 61810-3, Type A
- Country of origin: Italy
Forcibly Guided Contact Switching for Industrial Safety Applications
The Finder 7S.32.8.120.5110 incorporates forcibly guided contact technology in accordance with the Finder 7S Series design. Its normally open and normally closed contacts are mechanically linked, supporting monitoring of contact operation and detection of certain faults within properly engineered safety-related circuits.
When the 120 V AC coil is energised, the normally open contact closes while the normally closed contact opens. This arrangement allows one contact to perform an appropriately rated switching function while the other can be incorporated into a feedback or monitoring circuit.
The relay uses silver nickel contacts with gold plating and provides a 6 A rated contact current at a nominal switching voltage of 250 V AC. Its typical 7 ms operate time and 11 ms release time support responsive industrial control applications.
For installation, the Finder 7S.32.8.120.5110 features screw terminals and a compact 22.5 mm-wide DIN rail-mounted housing. The integrated LED indicator provides visual confirmation of coil energisation during commissioning, inspection and maintenance.
Important safety consideration: Although this relay features forcibly guided contacts, it is not a complete standalone safety controller. The safety performance achieved depends on the overall circuit architecture, diagnostic coverage, component selection and validation. Safety-related applications should be assessed against the relevant machinery safety standards.
Typical Applications
- Industrial machinery safety-related control circuits.
- Emergency-stop interfaces within validated safety systems.
- Machine guarding and interlock monitoring circuits.
- Safety-related switching and feedback applications.
- Industrial automation control panels.
- Railway equipment and control systems.
- Lift and elevator control systems.
- Hoists and crane control equipment.
- Escalator control systems.
- Automated warehouse and material-handling systems.
- Industrial process control equipment.
- Machinery control systems using 120 V AC relay supplies.
- Electrical panel-building and system integration.
- Maintenance and replacement of compatible Finder 7S relays.
