Finder 39.11.8.230.0073 39 Series Interface relays and base  1 Pole 6 Amp 230..240 Volt AC

Finder 39.11.8.230.0073 39 Series Interface relays and base 1 Pole 6 Amp 230..240 Volt AC

Finder 39.11.8.230.0073 Series 39 MasterBASIC electromechanical interface relay with a 230–240 V AC control supply, 6 A SPDT changeover contact, silver-nickel contacts and slim 6.2 mm DIN rail housing for industrial automation and electrical control applications.

SKU: 39.11.8.230.0073Alt SKU: 391182300073MPN: 39.11.8.230.0073
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List Price £34.01 ex VAT
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Why Choose the Finder 39.11.8.230.0073 MasterBASIC Interface Relay?

The Finder 39.11.8.230.0073 is a compact and reliable electromechanical interface relay module designed for industrial automation, electrical control panels and PLC interface applications. As part of the Finder Series 39 MasterBASIC range, this relay combines a high-performance electromagnetic relay with a slim DIN rail socket to provide dependable switching and electrical isolation between control circuits and connected equipment.

The Finder 39.11.8.230.0073 features a 230–240 V AC nominal control supply and a single changeover contact (1 CO / SPDT) rated at 6 A. Its compact 6.2 mm housing helps minimise space requirements inside electrical cabinets, while screw terminals provide secure connections for control and load wiring. The module also incorporates LED status indication for convenient monitoring of relay operation.

With a 6 A contact rating at 250 V AC, silver-nickel contact material and a modular DIN rail design, the Finder 39.11.8.230.0073 is suitable for switching compatible industrial control loads, signalling circuits and automation equipment. This MasterBASIC variant belongs to Finder's ATEX/HazLoc interface relay range, making it particularly relevant to appropriately designed industrial installations requiring suitable equipment approvals.

Key Advantages

  • Compact electromechanical interface relay module for industrial control and automation.
  • 230–240 V AC nominal control supply for compatible mains-voltage control circuits.
  • 6 A rated changeover contact for flexible switching applications.
  • Single-pole double-throw (SPDT) contact configuration provides normally open and normally closed switching functions.
  • Slim 6.2 mm module width helps maximise available DIN rail space.
  • Silver-nickel (AgNi) contacts provide dependable electromechanical switching.
  • LED status indication allows convenient visual monitoring of relay operation.
  • Screw terminal connections support secure and accessible electrical wiring.
  • Modular relay and socket construction supports convenient maintenance and replacement.
  • Part of Finder's MasterBASIC ATEX/HazLoc range for suitable industrial control installations.

Key Features

  • Finder Series 39 MasterBASIC interface relay module.
  • Model 39.11.8.230.0073 with screw terminal socket.
  • 230–240 V AC nominal control voltage.
  • One changeover contact (1 CO / SPDT).
  • 6 A rated contact current.
  • 250 V AC rated switching voltage for resistive loads.
  • 6 A at 24 V DC resistive load switching capability.
  • Silver-nickel contact material for reliable operation.
  • 5 ms operate time for responsive switching.
  • 6 ms release time.
  • 10 million mechanical operations durability rating.
  • IP20 protection rating.
  • 6.2 mm slimline module width.
  • Integrated LED status indication.
  • DIN rail mounting for industrial control cabinets.
  • Electromechanical relay and socket combination.
  • ATEX/HazLoc range designation for applications subject to relevant installation and approval requirements.

Reliable Electromechanical Switching for Industrial Control Systems

Electromechanical interface relays such as the Finder 39.11.8.230.0073 provide a practical method of controlling electrical loads through an electrically operated changeover contact. When the relay coil is energised, the internal contact mechanism changes state, allowing the connected control circuit to switch between normally closed and normally open paths. This arrangement supports electrical isolation between the control supply and switched load circuit while providing flexible switching functionality.

The Finder Series 39 MasterBASIC range is developed for compact installation in industrial automation panels, PLC interface assemblies and machine control systems. Its slim housing, replaceable relay construction and screw terminal connections simplify wiring and maintenance. The 39.11.8.230.0073 is particularly suitable for installations using a 230–240 V AC control supply where reliable 6 A changeover switching is required.

Typical Applications

  • Industrial automation and PLC interface circuits.
  • Electrical control panels and switchgear assemblies.
  • Machine control and manufacturing automation equipment.
  • Control circuit isolation and signal switching.
  • Industrial alarm and indication systems.
  • Building automation and control installations.
  • Motor starter auxiliary control circuits.
  • Process control and instrumentation interfaces.
  • OEM machinery and electrical panel building.
  • Industrial installations requiring appropriately approved interface relay equipment.

Technical Specifications

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Terminal Type Screw
Load Voltage 400 V AC
Mounting Type DIN rail
Switching Current (A) 6 A
Manufacturer Finder
Series Series 39 MasterBASIC
Model 39.11.8.230.0073
Product type Electromechanical interface relay module
Relay technology Electromagnetic relay (EMR)
Nominal control voltage 230–240 V AC
Control supply frequency 50 / 60 Hz
Contact configuration 1 CO / SPDT (1 Form C)
Number of poles 1
Rated contact current 6 A
AC resistive contact rating 6 A at 250 V AC
DC resistive contact rating 6 A at 24 V DC
Maximum switching voltage 400 V AC / 220 V DC
Contact material Silver-nickel (AgNi)
Operate time 5 ms
Release time 6 ms
Mechanical durability 10,000,000 operations
Protection rating IP20
Module dimensions 94.3 × 6.2 × 90.7 mm
Module width 6.2 mm
Terminal type Screw terminals
Mounting type DIN rail mounting
Status indication LED
Relay component Finder 34.51.7.060.0000
Socket component Finder 93.61.8.230.7
Product range MasterBASIC ATEX/HazLoc
Product category Electromechanical Interface Relays

Frequently Asked Questions

What is the Finder 39.11.8.230.0073 used for?

The Finder 39.11.8.230.0073 is an electromechanical interface relay used for switching electrical control circuits in industrial automation, PLC systems, electrical panels and machine control applications.

What control voltage does the Finder 39.11.8.230.0073 require?

The relay module is designed for a 230–240 V AC nominal control supply, making it suitable for compatible industrial mains-voltage control circuits.

What is the contact current rating of this relay?

The Finder 39.11.8.230.0073 features a 6 A rated changeover contact, including a resistive load rating of 6 A at 250 V AC.

Does the Finder 39.11.8.230.0073 have normally open and normally closed contacts?

Yes. The relay has one changeover contact (SPDT / 1 CO), providing both normally open and normally closed switching paths through a common terminal.

Is the Finder 39.11.8.230.0073 a solid state relay?

No. This model is an electromechanical interface relay that uses an electromagnetic coil and mechanical contacts to switch electrical circuits.

Can the Finder 39.11.8.230.0073 switch DC loads?

Yes. The relay supports compatible DC switching applications, including a 6 A resistive load rating at 24 V DC. The permitted switching current depends on the DC voltage and load characteristics.

How is the Finder 39.11.8.230.0073 installed?

The relay module is designed for DIN rail mounting inside an electrical control cabinet and uses screw terminals for secure electrical connections.

What is the width of the Finder 39.11.8.230.0073?

The module has a 6.2 mm slimline width, helping conserve installation space in densely populated electrical control panels.

Is the Finder 39.11.8.230.0073 suitable for hazardous-area applications?

The model belongs to Finder's MasterBASIC ATEX/HazLoc range. Suitability for a particular hazardous-area installation must be assessed against the applicable product certification, area classification and installation requirements.

Trusted by Industrial Automation and Control Engineers Worldwide

Finder Series 39 MasterBASIC interface relays are designed for electrical engineers, industrial automation specialists, panel builders and OEM machine manufacturers requiring dependable switching in compact control installations. The Finder 39.11.8.230.0073 combines a 230–240 V AC control input, 6 A changeover contact, slim DIN rail construction and convenient screw terminal wiring to support reliable industrial control and automation applications.

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