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Finder 7S.34.9.048.4220 – 7S Series Relay modules with forcibly guided contacts
Finder 7S.34.9.048.4220 is a modular safety relay with a 48 V DC nominal coil, four forcibly guided contacts in a 2 NO + 2 NC configuration, 6 A contact rating and DIN rail mounting for industrial machinery safety and automation control circuits.
£72.77
Why Choose the Finder 7S.34.9.048.4220 Safety Relay?
The Finder 7S.34.9.048.4220 is a compact modular safety relay with forcibly guided contacts designed for industrial machinery safety, electrical control panels and automation systems. As part of the Finder 7S Series, this four-contact relay provides reliable electromechanical switching and contact monitoring capabilities for safety-related control applications.
Featuring two normally open (NO) and two normally closed (NC) contacts, the relay incorporates mechanically linked contacts that support fault detection in appropriately designed safety circuits. Its 22.5 mm wide DIN rail housing, screw terminal connections and integrated LED status indication help simplify installation, wiring and maintenance in industrial control cabinets.
With a 48 V DC nominal coil voltage, 6 A contact current rating and 250 V AC nominal switching voltage, the Finder 7S.34.9.048.4220 is suited to compatible industrial control and safety interface circuits. Its forcibly guided contact arrangement makes it particularly useful where external monitoring is required to detect certain relay contact faults.
Key Advantages
- Forcibly guided contacts support fault detection and monitoring in safety-related circuits.
- 48 V DC nominal coil for compatible DC control systems.
- 2 NO + 2 NC contact configuration provides separate switching and feedback functions.
- 6 A rated contact current for suitable control and auxiliary loads.
- 250 V AC nominal switching voltage for compatible electrical circuits.
- Compact 22.5 mm wide housing helps conserve DIN rail space.
- Integrated LED indication assists with visual monitoring and troubleshooting.
- Screw terminal connections support secure and straightforward wiring.
- Suitable for integration into industrial machinery safety and automation systems.
Key Features
- Finder 7S Series modular safety relay.
- 48 V DC nominal coil voltage.
- Four forcibly guided contacts: 2 normally open and 2 normally closed.
- 6 A rated contact current.
- 250 V AC nominal switching voltage.
- Type A forcibly guided contact technology in accordance with EN 61810-3.
- Mechanically linked contacts for safety-related feedback monitoring.
- Integrated LED coil status indication.
- 35 mm DIN rail mounting for industrial control cabinets.
- Screw terminal connections for electrical wiring.
- 22.5 mm housing width for compact panel installation.
- Designed for use in machinery safety circuits and industrial automation interfaces.
Reliable Safety Switching and Contact Monitoring for Industrial Machinery
The Finder 7S.34.9.048.4220 uses forcibly guided contact technology to support reliable switching and monitoring in industrial safety-related control systems. Its mechanically linked normally open and normally closed contacts are designed so that contacts of opposite states cannot simultaneously remain closed under specified fault conditions. This allows an external monitoring circuit to identify certain failures, such as a welded contact, when the relay is incorporated into a correctly designed safety system.
The Finder 7S Series provides modular relay solutions for machine builders, electrical panel manufacturers and automation engineers. The 7S.34.9.048.4220 combines four contacts, a 48 V DC coil and a compact DIN rail format to support control circuit switching and safety feedback applications. The relay is a safety-related component rather than a complete standalone safety controller; the achieved safety performance depends on the architecture, diagnostics and validation of the complete system.
Typical Applications
- Industrial machinery safety-related control circuits.
- Emergency stop interface circuits within appropriately designed safety systems.
- Machine guard interlocking and feedback monitoring.
- Safety PLC output interfaces and external device monitoring.
- Industrial electrical control panels and switchgear.
- Manufacturing and automated production equipment.
- Packaging machinery and automated assembly systems.
- Conveyor and material handling control systems.
- Relay contact fault detection and monitoring circuits.
- OEM machine building and industrial automation installations.
Technical Specifications
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| Device Type | Positively Guided Relay | |
|---|---|---|
| Timing Function | None (instantaneous) | |
| Switching Current (A) | 6 A | |
| Mounting Type | DIN rail | |
| Terminal Type | Screw | |
| Auxiliary Contacts | 2 NC | |
| Manufacturer | Finder | |
| Series | 7S Series | |
| Model | 7S.34.9.048.4220 | |
| Product type | Modular relay with forcibly guided contacts | |
| Relay type | Electromechanical safety relay | |
| Nominal coil voltage | 48 V DC | |
| Coil supply type | DC | |
| Contact configuration | 2 NO + 2 NC | |
| Number of contacts | 4 | |
| Contact current rating | 6 A | |
| Nominal switching voltage | 250 V AC | |
| Contact arrangement | Forcibly guided contacts | |
| Contact guidance classification | Type A | |
| Contact standard | EN 61810-3 | |
| Housing width | 22.5 mm | |
| Mounting type | 35 mm DIN rail | |
| Terminal type | Screw terminals | |
| Status indication | Integrated LED | |
| Application | Safety-related control and monitoring circuits |
Frequently Asked Questions
What is the Finder 7S.34.9.048.4220 used for?
The Finder 7S.34.9.048.4220 is a modular relay with forcibly guided contacts used for switching and contact monitoring in industrial machinery safety and automation control systems.
What coil voltage does the Finder 7S.34.9.048.4220 require?
The relay is identified with a 48 V DC nominal coil and is intended for compatible DC control circuits. The supply should be matched to the relay's specified coil requirements.
What is the contact configuration of this safety relay?
The Finder 7S.34.9.048.4220 has four contacts arranged as 2 normally open (NO) and 2 normally closed (NC). The forcibly guided arrangement supports contact monitoring and fault detection in safety-related circuits.
What is the rated contact current of the Finder 7S.34.9.048.4220?
The relay belongs to the 6 A Finder 7S four-contact relay family. Permissible switching current depends on the load type, voltage and applicable electrical utilisation conditions.
What are forcibly guided contacts?
Forcibly guided contacts are mechanically linked relay contacts designed to prevent normally open and normally closed contacts from simultaneously occupying the closed position under specified fault conditions. This enables suitable external monitoring circuits to detect certain contact failures.
How is the Finder 7S.34.9.048.4220 installed?
The relay uses a 22.5 mm wide housing designed for standard 35 mm DIN rail mounting inside electrical control cabinets, with screw terminals for electrical connections.
Does the Finder 7S.34.9.048.4220 include an LED indicator?
The Finder 7S.34 relay design includes an integrated LED indicator for visual indication of coil energisation, assisting engineers during commissioning and maintenance.
Can this relay be used with a safety PLC?
Yes. Forcibly guided relays such as the Finder 7S.34.9.048.4220 can be used as switching and feedback components with compatible safety PLCs. The overall safety function must be designed and validated for the required performance level.
Is the Finder 7S.34.9.048.4220 a complete standalone safety controller?
No. It is an electromechanical relay with forcibly guided contacts, not a complete safety controller. It must be integrated with appropriate control, monitoring and diagnostic circuitry to achieve the required machinery safety function.
Trusted by Industrial Automation and Machine Safety Engineers
Finder 7S Series relays are designed to support dependable electromechanical switching and contact monitoring in industrial safety-related control applications. The Finder 7S.34.9.048.4220 combines a 48 V DC nominal coil, 2 NO + 2 NC forcibly guided contacts, a 6 A contact rating and compact DIN rail construction, making it a practical component for machine builders, electrical panel manufacturers and industrial automation engineers.
