40.31.8.120.0300 Finder Miniature PCB relay 1pole 10A 120V

40.31.8.120.0300 Finder Miniature PCB relay 1pole 10A 120V

Finder 40.31.8.120.0300 PCB power relay with 120 V AC coil, SPST-NO contact configuration and 10 A switching capacity for industrial control and automation applications.

SKU: 40.31.8.120.0300Alt SKU: 403181200300MPN: 40.31.8.120.0300
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Why Choose the Finder 40.31.8.120.0300 PCB Power Relay?

The Finder 40.31.8.120.0300 is a compact and reliable miniature PCB power relay designed for industrial control, automation systems and electrical switching applications. Part of the Finder 40 Series, this electromechanical relay provides dependable switching performance with a high isolation design between coil and contacts, making it suitable for professional electronic and control applications.

This PCB relay features a 120 V AC coil, a 1 normally open contact (SPST-NO / 1 Form A) and a 10 A switching rating, providing reliable control of electrical loads in PCB assemblies, control panels and automation equipment.

With socketable mounting, silver nickel contact material, high insulation between coil and contacts and reliable electromechanical operation, the Finder 40.31.8.120.0300 is designed for dependable switching in industrial and electronic systems.

Key Advantages

  • Compact PCB power relay for industrial and automation applications.
  • 120 V AC coil voltage for standard control circuits.
  • SPST-NO switching configuration for simple load control.
  • 10 A contact rating suitable for power switching applications.
  • High insulation between coil and contacts.
  • Suitable for control panels, automation systems and electronic circuits.

Key Features

  • Finder 40 Series miniature power relay.
  • 1 Form A (SPST-NO) contact.
  • 120 V AC coil supply.
  • 10 A switching current.
  • 400 V AC maximum switching voltage.
  • Silver Nickel (AgNi) contact material.
  • Socketable plug-in mounting design.
  • High electrical isolation between coil and contacts.
  • Suitable for industrial and electronic control applications.

Reliable Switching Control for Electrical Systems

Power relays such as the Finder 40.31.8.120.0300 provide reliable electrical isolation and switching control between low-power control circuits and higher-power loads. Their compact design makes them suitable for integration into electronic equipment and automation systems.

The Finder 40 Series is designed for engineers, panel builders and equipment manufacturers requiring dependable relay technology for industrial, commercial and electronic applications.

Typical Applications

  • Industrial control panels.
  • Automation and process control systems.
  • Electronic circuit boards.
  • Electrical control equipment.
  • Machine control applications.
  • Building automation systems.

Technical Specifications

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Device Type Plug-in Relay
Mounting Type Plug-in socket
Switching Current (A) 10 A
Load Voltage 400 V AC
Coil / Supply Voltage 120 V AC
Contacts 1NO
Manufacturer Finder
Series 40 Series
Model 40.31.8.120.0300
Product type Miniature PCB / plug-in power relay
Relay function General purpose electromechanical relay
Coil voltage 120 V AC
Contact configuration SPST-NO (1 Form A)
Contact rating 10 A
Maximum switching voltage 400 V AC
Maximum switching capacity 4800 VA
Contact material Silver Nickel (AgNi)
Mounting type Socketable / plug-in mounting
Terminal type Plug-in terminals
Protection rating Sealed
Operating temperature -40°C to +85°C

Frequently Asked Questions

What is the Finder 40.31.8.120.0300 used for?

The Finder 40.31.8.120.0300 is a PCB power relay used for switching electrical loads in industrial control and automation applications.

What coil voltage does this relay require?

The relay operates with a 120 V AC coil.

What contact configuration does this relay have?

The relay features a SPST-NO (1 Form A) contact rated up to 10 A.

How is this relay mounted?

The Finder 40.31.8.120.0300 is designed for socketable plug-in mounting in electronic and control assemblies.

Where is this relay typically installed?

The relay is typically installed in electronic assemblies, control panels and industrial automation equipment.

Trusted by Automation Professionals

Finder 40 Series relays are widely used by engineers and equipment manufacturers to provide reliable switching, isolation and control in modern electrical systems.