Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Finder 7S.16.9.012.0420 – 7S Series Relay modules with forcibly guided contacts
Finder 7S.16.9.012.0420 is a 12 V DC six-contact electromechanical safety relay featuring Class A forcibly guided contacts in a 4 NO + 2 NC configuration, 6 A contact rating, LED indication and screwless DIN rail mounting for industrial safety-related control systems.
£72.75
Why Choose the Finder 7S.16.9.012.0420 Safety Relay?
The Finder 7S.16.9.012.0420 is a compact and dependable electromechanical safety relay with forcibly guided contacts, designed for safety-related switching, control and monitoring applications in industrial machinery and automation systems. As part of the Finder 7S Series modular safety relay range, it provides reliable switching performance and mechanically linked contact operation for demanding industrial environments.
This relay features six forcibly guided contacts arranged as 4 normally open (NO) and 2 normally closed (NC), providing multiple switching outputs and feedback contacts within a compact modular assembly. Its Class A forcibly guided contact construction helps external monitoring circuits identify contact faults, including welded contacts, supporting reliable operation in appropriately engineered functional safety systems.
With a 12 V DC operating coil, 6 A rated contact current and 250 V AC nominal switching voltage, the Finder 7S.16.9.012.0420 is suitable for industrial control panels, machinery safety interfaces and monitored switching circuits. Its 22.5 mm wide DIN rail housing, spring-loaded screwless terminals and integrated LED indication simplify installation and maintenance.
Key Advantages
- Reliable six-contact electromechanical safety relay for industrial machinery and automation.
- 4 NO + 2 NC forcibly guided contact configuration provides multiple switching and feedback paths.
- 12 V DC operating coil suitable for low-voltage industrial control systems.
- 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 support fault detection through external monitoring circuits.
- Spring-loaded screwless terminals simplify wiring and provide secure electrical connections.
- Integrated LED coil status indication supports convenient operational checks.
- Compact 22.5 mm wide DIN rail construction saves space in electrical control cabinets.
- Suitable for integration into appropriately designed SIL 2 and PL d safety-related systems.
Key Features
- Finder 7S Series modular safety relay.
- Class A forcibly guided electromechanical contacts.
- Six-contact arrangement: 4 normally open and 2 normally closed.
- 12 V DC nominal coil voltage.
- 9.6–14.4 V DC coil operating range.
- 6 A rated contact current.
- 250 V AC nominal switching voltage.
- 0.7 W nominal coil power consumption.
- 56 mA nominal coil current.
- Silver nickel (AgNi) contact material.
- Integrated LED coil status indicator.
- Spring-loaded screwless terminal connections.
- 35 mm DIN rail mounting for industrial control cabinets.
- IP20 protection rating.
- Class A contact guidance according to EN 61810-3.
- Compact modular housing designed for control panel integration.
Reliable Safety Switching for Industrial Machinery
Safety relays with forcibly guided contacts are important components in industrial safety-related control systems. Their mechanically linked normally open and normally closed contacts are designed to prevent opposing contact types from simultaneously remaining closed under specified fault conditions. This enables suitable external monitoring circuits to detect failures such as welded contacts and supports diagnostic functions in machinery safety applications.
The Finder 7S.16.9.012.0420 provides a 4 NO + 2 NC contact arrangement, allowing multiple switching circuits and feedback monitoring functions to be incorporated into a compact relay module. This configuration is particularly useful in machinery safety interfaces, monitored contactor arrangements and industrial automation systems.
The relay uses Class A forcibly guided contacts and is designed for integration into functional safety applications. When incorporated into a correctly engineered system, the Finder 7S Series can support applications targeting SIL 2 according to IEC 61508 or Performance Level d according to EN ISO 13849-1. The achieved safety rating depends on the complete circuit architecture, external diagnostics and application-specific safety assessment.
Its 12 V DC coil, compact DIN rail construction and screwless terminal connections make it suitable for electrical panel builders and machine manufacturers requiring dependable switching components. The integrated LED indicator provides convenient visual confirmation of coil energisation during operation and maintenance.
Typical Applications
- Industrial machinery safety-related control circuits.
- Emergency-stop switching arrangements with external safety monitoring.
- Safety relay interface assemblies and monitored switching systems.
- Machine guarding and safety interlock feedback circuits.
- Industrial robots and automated production machinery.
- Hoists, cranes and industrial lifting equipment.
- Escalators, elevators and lift control systems.
- Automated warehouses and material handling equipment.
- Wood-processing and manufacturing machinery.
- Industrial process control and automation cabinets.
- Safety-related contactor monitoring and auxiliary switching circuits.
- OEM machinery control panels and electrical automation systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Positively Guided Relay | |
|---|---|---|
| Terminal Type | Spring clamp | |
| Mounting Type | DIN rail | |
| Switching Current (A) | 6 A | |
| Manufacturer | Finder | |
| Series | 7S Series | |
| Model | 7S.16.9.012.0420 | |
| Product type | Electromechanical safety relay module | |
| Relay 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 | 12 V DC | |
| Coil supply type | DC | |
| Coil operating voltage range | 9.6–14.4 V DC | |
| Nominal coil current | 56 mA | |
| Nominal coil consumption | 0.7 W | |
| Rated contact current | 6 A | |
| Nominal switching voltage | 250 V AC | |
| Contact material | Silver nickel (AgNi) | |
| Contact monitoring | Forcibly guided NO and NC contacts | |
| Safety integrity capability | Suitable for systems designed up to SIL 2, subject to system assessment | |
| Performance level capability | Suitable for systems designed up to PL d, subject to system assessment | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Terminal type | Spring-loaded screwless terminals | |
| Status indication | Integrated LED coil indicator | |
| Housing width | 22.5 mm | |
| Dimensions (W × H × D) | 22.5 × 78.8 × 96 mm | |
| Rated insulation voltage | 250 V AC | |
| Pollution degree | 2 | |
| Coil-to-contact impulse withstand voltage | 6 kV | |
| Dielectric strength between open contacts | 1,500 V AC | |
| Applicable contact standard | EN 61810-3 | |
| Functional safety standards | IEC 61508 and EN ISO 13849-1 | |
| Country of origin | Italy | |
| Weight | approx. 160 g | |
| EAN | 8012823377902 |
Frequently Asked Questions
What is the Finder 7S.16.9.012.0420 used for?
The Finder 7S.16.9.012.0420 is an electromechanical safety relay with forcibly guided contacts, designed for safety-related switching, contact monitoring and industrial machinery control applications.
What is the contact configuration of this safety relay?
The relay features six forcibly guided contacts arranged as 4 normally open (NO) and 2 normally closed (NC), providing multiple switching paths and feedback contacts for appropriately designed safety-related circuits.
What coil voltage does the Finder 7S.16.9.012.0420 require?
The relay operates from a 12 V DC nominal coil supply, with a specified operating voltage range of 9.6–14.4 V DC and nominal coil power consumption of 0.7 W.
What is the rated contact current?
The Finder 7S.16.9.012.0420 has a 6 A rated contact current and a nominal switching voltage of 250 V AC. The permissible load depends on the electrical utilisation category and operating conditions.
What are forcibly guided contacts?
Forcibly guided contacts are mechanically linked normally open and normally closed contacts designed to prevent both contact types from being closed simultaneously under specified fault conditions. This allows suitable external monitoring circuits to detect contact failures, including welded contacts.
Can this relay be used in SIL 2 or PL d safety systems?
Yes. The Finder 7S Series is designed for functional safety applications and can be incorporated into appropriately engineered systems targeting SIL 2 or PL d. The achieved safety rating depends on the complete system design, diagnostic coverage and application-specific safety assessment.
Does the Finder 7S.16.9.012.0420 include an LED indicator?
Yes. The relay includes an integrated LED coil status indicator that provides visual indication of relay energisation, helping simplify operational checks and troubleshooting.
How is the Finder 7S.16.9.012.0420 installed?
The relay is designed for 35 mm DIN rail mounting inside suitable electrical control cabinets. Its 22.5 mm wide housing and spring-loaded screwless terminals support compact installation and convenient wiring.
Trusted Safety Relay Technology from Finder
Finder 7S Series safety relays combine Class A forcibly guided contact technology, reliable electromechanical switching and compact DIN rail construction to support industrial automation engineers and machine builders developing dependable safety-related control systems.
