48.61.8.024.4060SMA Finder 1 CO Contacts 24V AC Modular Interface Relay with Green LED + varistor Indication

48.61.8.024.4060SMA Finder 1 CO Contacts 24V AC Modular Interface Relay with Green LED + varistor Indication

Finder 48.61.8.024.4060SMA is a 16 A DIN rail relay interface module featuring a 24 V AC coil, single changeover AgSnO2 contact, screw-terminal socket, LED indication and varistor suppression for industrial automation and electrical control panels.

SKU: 48.61.8.024.4060SMAAlt SKU: 486180244060SMAMPN: 48.61.8.024.4060SMA
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Why Choose the Finder 48.61.8.024.4060SMA Relay Interface Module?

The Finder 48.61.8.024.4060SMA is a compact 16 A DIN rail relay interface module designed for dependable electrical switching in industrial automation, PLC interfaces and electrical control panels. Part of the Finder 48 Series, this complete relay assembly combines a 24 V AC coil, one changeover contact, a screw-terminal socket and an integrated LED indication and varistor suppression module.

The module comprises a Finder 40.61.8.024.4000 relay, a 95.05SMA socket and a 99.02.0.024.98 indication and suppression module. Its silver-tin oxide (AgSnO2) contacts provide switching capability for compatible electrical loads, while the LED provides a visual indication of the control supply and the varistor helps suppress voltage transients associated with coil switching.

With a 16 A rated contact current, 250 V AC rated contact voltage and a slim 15.8 mm module width, the Finder 48.61.8.024.4060SMA offers a practical interface between automation controllers and field equipment. Its complete socket-mounted construction supports convenient installation, maintenance and relay replacement without requiring the entire interface assembly to be rewired.

Key Advantages

  • Complete relay interface assembly incorporating the relay, socket and indication/suppression module.
  • 16 A rated contact current for switching appropriately rated electrical loads.
  • 24 V AC nominal coil suitable for compatible industrial control circuits.
  • Single changeover contact (1 CO / SPDT) provides normally open and normally closed switching functions.
  • Silver-tin oxide (AgSnO2) contact material supports robust electrical switching.
  • Integrated LED indication provides visual confirmation of the coil supply.
  • Varistor suppression helps limit switching transients across the AC coil.
  • 15.8 mm slimline width helps conserve valuable DIN rail space.
  • Screw-terminal connections provide secure field wiring.
  • 35 mm DIN rail mounting simplifies installation in electrical control cabinets.
  • IP20 protection is suitable for installation within appropriately protected electrical enclosures.
  • Replaceable plug-in relay supports efficient servicing and maintenance.

Key Features

  • Finder 48 Series industrial relay interface module.
  • 48.61 configuration with one changeover contact.
  • SPDT / 1 CO contact arrangement.
  • 24 V AC nominal coil voltage, 50/60 Hz.
  • 16 A rated contact current.
  • 30 A maximum peak contact current.
  • 250 V AC rated contact voltage.
  • 400 V AC maximum switching voltage.
  • 4,000 VA rated AC1 switching capacity.
  • Silver-tin oxide (AgSnO2) relay contacts.
  • LED supply-status indication.
  • Varistor coil suppression.
  • Metal retaining clip for securing the plug-in relay.
  • Box-clamp screw terminals for electrical connections.
  • 35 mm DIN rail mounting to EN 60715.
  • IP20 degree of protection.
  • 15.8 mm module width.
  • Identification label provision for control-panel organisation.

Reliable Electrical Switching for Industrial Automation

Relay interface modules such as the Finder 48.61.8.024.4060SMA allow industrial control systems to switch separate electrical loads using a low-voltage control signal. When the 24 V AC coil is energised, the relay's changeover contact transfers from its normally closed position to its normally open position. The integrated LED indicates the presence of the coil supply, while the varistor suppression module helps reduce voltage transients generated during switching.

The Finder 48.61 relay interface combines the switching relay, DIN rail socket and coil indication components in one compact assembly. This makes it suitable for PLC output interfaces, control-panel wiring and auxiliary switching applications where reliable operation and straightforward maintenance are essential. For currents above 10 A, the applicable Finder 48.61 terminal-connection requirements must be followed, including the manufacturer's specified parallel contact-terminal arrangement.

Typical Applications

  • PLC output interfaces and industrial automation systems.
  • Electrical control panels and DIN rail switching assemblies.
  • Industrial machinery control and auxiliary switching.
  • Building management and automation equipment.
  • Heating, ventilation and air conditioning control panels.
  • Electrical interlocking and control logic circuits.
  • Lighting control and auxiliary switching equipment.
  • Alarm, signalling and equipment status circuits.
  • Automated production and process control systems.
  • OEM electrical control cabinets and industrial maintenance installations.

Technical Specifications

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Device Type Interface Relay
Mounting Type DIN rail
Load Voltage 400 V AC
Switching Current (A) 16 A
Manufacturer Finder
Series 48 Series Relay Interface Modules
Model 48.61.8.024.4060SMA
Product type Electromechanical relay interface module
Relay configuration 48.61
Relay component 40.61.8.024.4000
Socket component 95.05SMA
Indication and suppression module 99.02.0.024.98
Contact configuration 1 CO / SPDT
Number of poles 1
Nominal coil voltage 24 V AC
Coil supply type AC, 50/60 Hz
Coil operating voltage range 19.2–26.4 V AC
Rated contact current 16 A
Maximum peak contact current 30 A
Rated contact voltage 250 V AC
Maximum switching voltage 400 V AC
Rated switching capacity (AC1) 4,000 VA
Contact material Silver-tin oxide (AgSnO2)
Contact operation Single changeover
Coil suppression Varistor
Status indication LED
Relay retention Metal retaining clip
Electrical connection Screw terminals / box clamp
Mounting type 35 mm DIN rail, EN 60715
Degree of protection IP20
Module width 15.8 mm
Module height Approximately 75.3 mm
Module depth Approximately 78.6 mm
Operating ambient temperature −40 to +70 °C
Relay operation Non-latching / monostable

Frequently Asked Questions

What is the Finder 48.61.8.024.4060SMA used for?

The Finder 48.61.8.024.4060SMA is a DIN rail relay interface module designed to switch electrical loads in PLC systems, industrial automation equipment, electrical control panels and auxiliary control circuits.

What coil voltage does the Finder 48.61.8.024.4060SMA require?

The module operates with a 24 V AC nominal coil supply at 50/60 Hz. The specified operating voltage range for the 48.61 AC coil configuration is 19.2–26.4 V AC.

What is the contact rating of the Finder 48.61.8.024.4060SMA?

The relay interface has a 16 A rated contact current, a 250 V AC rated contact voltage and a 4,000 VA rated AC1 switching capacity. Finder specifies a parallel contact-terminal connection arrangement for currents above 10 A; permissible switching loads also depend on the connected equipment and utilisation category.

Does the Finder 48.61.8.024.4060SMA include an LED and coil suppression?

Yes. The module includes a 99.02.0.024.98 LED indication and varistor suppression module, providing visual coil-supply indication and helping suppress switching transients.

How is the Finder 48.61.8.024.4060SMA installed?

The complete interface module mounts onto a 35 mm DIN rail in accordance with EN 60715 and uses box-clamp screw terminals for wiring. It includes a removable plug-in relay, compatible socket and metal retaining clip, with an overall width of approximately 15.8 mm.

Trusted by Automation Engineers and Equipment Manufacturers Worldwide

Finder 48 Series relay interface modules provide compact, dependable electrical switching for industrial automation, PLC systems and control-panel applications. The Finder 48.61.8.024.4060SMA combines a 24 V AC coil, 16 A changeover contact, AgSnO2 contact material, LED indication and varistor suppression in a complete DIN rail assembly designed for professional electrical control installations.

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