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40.31.9.125.0003 Finder Miniature PCB relay 1pole 10A DC 125V
Finder 40.31.9.125.0003 miniature PCB relay with a 125 V AC coil and single changeover contact designed for industrial control and automation applications.
Why Choose the Finder 40.31.9.125.0003 Miniature PCB Relay?
The Finder 40.31.9.125.0003 is a compact and reliable electromechanical PCB relay designed for switching and control applications in industrial automation, electrical equipment and OEM systems. As part of the proven Finder 40 Series miniature relay range, it provides dependable switching performance, electrical isolation and long service life in compact electronic assemblies.
This relay features a space-saving printed circuit board mounting design with a single changeover contact configuration, making it suitable for controlling electrical loads in automation systems, control equipment and electronic circuits. Its robust construction ensures reliable operation in demanding industrial environments.
With a 125 V AC coil supply and a 1 CO (SPDT) contact configuration, the Finder 40.31.9.125.0003 provides dependable switching capability for industrial control circuits, interface applications and electrical equipment requiring compact relay technology.
Key Advantages
- Compact miniature PCB relay designed for industrial control applications.
- 125 V AC coil voltage suitable for specialist control systems.
- 1 CO (SPDT) contact configuration for flexible switching applications.
- Reliable electromechanical operation with electrical isolation between circuits.
- Space-saving design for high-density PCB installations.
- Suitable for automation equipment, control panels and OEM applications.
Key Features
- Finder 40 Series miniature PCB relay.
- 125 V AC nominal coil voltage.
- 1 CO (SPDT) contact configuration.
- 10 A rated contact current.
- PCB mounting format for direct circuit board integration.
- Compact relay housing for space-efficient control assemblies.
- Monostable relay operation.
- Reliable switching performance for industrial and commercial applications.
Reliable Switching for Industrial Control Systems
Electromechanical relays such as the Finder 40.31.9.125.0003 provide dependable switching and electrical separation between control electronics and connected loads. They are widely used where compact dimensions, reliable operation and long service life are required.
The Finder 40 Series is designed for industrial automation engineers, electrical designers and OEM manufacturers requiring compact relay solutions for modern control systems. Its PCB mounting format enables straightforward integration into electronic assemblies and industrial equipment.
Typical Applications
- Industrial automation control systems.
- PCB-based electronic control equipment.
- Machine building and OEM machinery.
- Control panels and switching assemblies.
- Building automation systems.
- Electrical interface and monitoring circuits.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Switching Current (A) | 10 A | |
| Load Voltage | 250 V AC | |
| Mounting Type | PCB | |
| Coil / Supply Voltage | 125 V AC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | Finder 40 Series Miniature PCB Relays | |
| Model | 40.31.9.125.0003 | |
| Product type | Electromechanical PCB relay | |
| Coil voltage | 125 V AC | |
| Contact configuration | 1 CO (SPDT) | |
| Rated contact current | 10 A | |
| Maximum switching voltage | 250 V AC | |
| Mounting type | PCB mounting | |
| Operating temperature | -40 to +85 °C | |
| Protection category | RT II |
Frequently Asked Questions
What is the Finder 40.31.9.125.0003 used for?
The Finder 40.31.9.125.0003 is a miniature PCB relay used for switching and control applications in industrial automation and electrical equipment.
What coil voltage does this relay require?
The relay operates with a 125 V AC coil supply.
What contact configuration does this relay have?
The relay features a 1 CO (SPDT) contact configuration for flexible switching applications.
What is the contact rating of this relay?
The relay provides an 10 A rated switching current suitable for a wide range of control applications.
Where can this relay be installed?
The relay is designed for PCB mounting in electronic control systems and industrial equipment.
Trusted by Control System Designers Worldwide
Finder 40 Series miniature relays are widely used by automation engineers and OEM manufacturers to provide compact, reliable switching solutions for modern electrical and industrial control systems.
