7S.16.9.024.5510 Finder Relay module DC 24V 4NO2 NC

Why Choose the Finder 7S.16.9.024.5510 Force-Guided Safety Relay?

The Finder 7S.16.9.024.5510 is a professional 24 V DC force-guided safety relay module designed for industrial automation, machinery control and safety-related electrical applications. Part of the Finder 7S Series, this six-pole relay features 5 normally open (NO) contacts and 1 normally closed (NC) contact, providing multiple switching outputs alongside a mechanically linked feedback contact for monitoring relay operation.

Featuring a 6 A rated contact current, 250 V AC nominal switching voltage and 24 V DC operating coil, the Finder 7S.16.9.024.5510 combines robust electromagnetic switching with positively guided contact technology. Its mechanically linked contacts are designed to prevent normally open and normally closed contacts from being simultaneously closed under specified fault conditions, supporting diagnostic monitoring in appropriately engineered safety-related control systems.

The module incorporates spring-clamp terminals, an integrated LED status indicator and standard DIN rail mounting. With a compact 22.5 mm housing width, IP20 protection and an operating temperature range of −40 to +70 °C, it is well suited to industrial control cabinets, automated machinery and electrical installations requiring dependable relay switching with contact-state feedback.

Key Advantages

• Force-guided contact technology: Provides mechanically linked contacts for monitored safety-related switching applications.
• 5 NO + 1 NC configuration: Offers five normally open switching contacts and one normally closed feedback contact.
• Six-pole construction: Supports multiple controlled circuits within a single relay module.
• 24 V DC coil: Compatible with appropriately rated industrial control supplies.
• 6 A contact rating: Suitable for a wide range of compatible industrial control loads.
• 250 V AC switching capability: Supports appropriately rated AC control circuits.
• Contact-state monitoring: Enables external monitoring equipment to detect certain relay contact faults.
• Spring-clamp terminals: Provide convenient, secure screwless electrical connections.
• Integrated LED indicator: Allows quick visual confirmation of relay energisation.
• Compact 22.5 mm housing: Conserves space in industrial control panels.
• Silver tin oxide contacts: Provide robust switching performance for suitable electrical loads.
• Gold-plated contact surfaces: Support reliable contact performance in compatible control applications.
• Fast switching response: Typical operate and release times of 12 ms and 10 ms respectively.
• High mechanical endurance: Designed for approximately 10 million mechanical operations.
• Wide operating temperature range: Suitable for demanding industrial environments.
• DIN rail mounting: Simplifies integration alongside PLCs, safety controllers and other automation equipment.

Key Features

• Finder 7S Series modular force-guided relay.
• Product family: 7S.16.
• Manufacturer part number: 7S.16.9.024.5510.
• Electromagnetic relay with mechanically linked contacts.
• Six-pole contact arrangement.
• 5 normally open (NO) contacts.
• 1 normally closed (NC) contact.
• Nominal coil voltage: 24 V DC.
• Rated contact current: 6 A.
• Nominal switching voltage: 250 V AC.
• Rated switching capacity: 1.5 kVA.
• Silver tin oxide contact material.
• Gold-plated contact surfaces.
• Force-guided contact arrangement for diagnostic feedback.
• Typical operate time: 12 ms.
• Typical release time: 10 ms.
• Mechanical endurance: 10 million operations.
• Electrical endurance: 100,000 operations under specified test conditions.
• Integrated LED operating status indicator.
• Spring-clamp, screwless terminal connections.
• Standard 35 mm DIN rail mounting.
• Compact 22.5 mm housing width.
• IP20 ingress protection.
• Operating temperature range: −40 to +70 °C.
• Designed for safety-related control applications using force-guided contact technology.

Reliable Six-Pole Force-Guided Switching for Industrial Safety Systems

Industrial machinery and automated production systems frequently require multiple electrical circuits to be switched together while maintaining reliable information about the state of the switching device. In safety-related applications, the ability to detect certain faults, including welded contacts, is particularly important. The Finder 7S.16.9.024.5510 addresses these requirements through its six-pole force-guided contact arrangement.

The relay provides five normally open contacts for switching suitable electrical loads and one normally closed contact that can be incorporated into an external feedback monitoring circuit. Because the contacts are mechanically linked, the arrangement is designed to prevent normally open and normally closed contacts from being simultaneously closed under the fault conditions specified for force-guided relays. This enables appropriately designed monitoring systems to identify certain contact failures.

Its 24 V DC coil is suitable for common industrial control supplies, while the 6 A rated contacts provide switching capability for compatible control equipment. The nominal 250 V AC switching voltage and 1.5 kVA switching capacity support a variety of industrial applications, provided the connected loads remain within the manufacturer's ratings. The specified mechanical endurance of approximately 10 million operations supports repeated switching in demanding control environments.

The relay's spring-clamp terminals provide convenient wiring without conventional screw terminals, helping simplify installation and maintenance. Its integrated LED indicator gives personnel a local indication of coil energisation, while the compact DIN rail construction enables installation alongside safety controllers, PLCs, contactors and other industrial automation devices.

Although the Finder 7S.16.9.024.5510 incorporates force-guided contacts suitable for use in safety-related systems, it is not a complete safety controller. The overall Performance Level, Safety Integrity Level and diagnostic effectiveness depend on the complete system design, monitoring arrangement, component reliability and validation against the applicable machinery safety standards.

Typical Applications

• Industrial machinery safety: Force-guided relay switching in properly designed machine safety circuits.
• Emergency-stop systems: Multiple switching outputs and feedback monitoring within suitable safety architectures.
• Machine guard interlocking: Integration into compatible monitored guard control circuits.
• Industrial automation: Multi-contact switching for automated manufacturing equipment.
• Hoists and cranes: Suitable switching and monitoring functions in lifting equipment controls.
• Lift and escalator systems: Force-guided contact applications in professionally engineered control systems.
• Conveyor installations: Safety-related switching and relay feedback monitoring.
• Wood-processing machinery: Monitored control circuits in industrial equipment.
• Chemical and petrochemical plants: Relay switching within suitable industrial automation systems.
• Automated car wash systems: Control and monitoring of compatible electrical equipment.
• Packaging machinery: Multiple relay outputs for suitably designed control functions.
• Automated warehouses: Integration into material-handling and storage equipment controls.
• Industrial process control: Switching applications requiring mechanically linked relay contacts.
• Safety control panels: DIN rail-mounted relay modules with multiple output contacts.
• Machine refurbishment: Replacement of compatible six-pole force-guided relay assemblies.