Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
40.51.9.012.0303 Finder Miniature PCB relay 1pole 10A DC 12V
Finder 40.51.9.012.0303 miniature PCB relay with a 12 V DC coil and 10 A changeover contact rating designed for industrial control and automation applications.
Why Choose the Finder 40.51.9.012.0303 Miniature PCB Relay?
The Finder 40.51.9.012.0303 is a compact and reliable miniature electromechanical PCB relay designed for switching and control applications in industrial automation, electrical equipment and OEM systems. As part of the trusted Finder 40 Series miniature relay range, it provides dependable switching performance in applications where space saving and long service life are essential.
This relay features a compact PCB mounting design with a single changeover contact configuration, making it suitable for control panels, automation equipment and electronic control systems. Its robust construction and low coil power consumption provide efficient operation for a wide range of industrial and commercial applications.
With a 12 V DC coil supply and a 10 A switching contact rating, the Finder 40.51.9.012.0303 is designed for reliable switching of electrical loads in compact control solutions. Its miniature housing allows high-density installation on printed circuit boards or compatible relay sockets.
Key Advantages
- Compact miniature PCB relay designed for industrial control applications.
- 12 V DC coil voltage suitable for electronic control systems.
- 10 A switching capability for reliable load control.
- Single changeover contact configuration for flexible circuit switching.
- Low power consumption and efficient electromagnetic operation.
- Suitable for OEM equipment, automation panels and electrical systems.
Key Features
- Finder 40 Series miniature PCB relay.
- 12 V DC nominal coil voltage.
- 1 CO (SPDT) contact configuration.
- 10 A rated contact current.
- PCB mounting format with compact dimensions.
- Monostable relay operation.
- Silver alloy contact material for reliable switching.
- Compact 12.4 mm wide housing design.
Reliable Switching for Industrial Control Systems
Electromechanical relays such as the Finder 40.51.9.012.0303 provide electrical isolation between control circuits and switched loads while allowing reliable operation of motors, lighting systems, valves and other electrical devices.
The Finder 40 Series is designed for automation engineers and equipment manufacturers requiring compact relay solutions with dependable switching performance. Its PCB mounting design enables straightforward integration into electronic control assemblies and industrial equipment.
Typical Applications
- Industrial automation control systems.
- PCB-based electrical control equipment.
- Machine building and OEM equipment.
- Control panels and switching assemblies.
- HVAC and building automation systems.
- Electronic interface and monitoring systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | PCB, Plug-in socket | |
| Switching Current (A) | 10 A | |
| Load Voltage | 250 V AC | |
| Coil / Supply Voltage | 12 V DC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | 40 Series Miniature PCB Relays | |
| Model | 40.51.9.012.0303 | |
| Product type | Electromechanical PCB relay | |
| Coil voltage | 12 V DC | |
| Coil power | 0.65 W | |
| Contact configuration | 1 CO (SPDT) | |
| Rated contact current | 10 A | |
| Maximum switching voltage | 250 V AC | |
| Mounting type | PCB mounting / plug-in socket | |
| Operating temperature | -40 to +85 °C | |
| Dimensions (H × W × D) | approx. 25 × 12.4 × 29 mm | |
| Protection category | RT II |
Frequently Asked Questions
What is the Finder 40.51.9.012.0303 used for?
The Finder 40.51.9.012.0303 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 12 V DC coil supply.
What is the contact rating of this relay?
The relay provides a 10 A rated switching current with a single changeover contact configuration.
Where can this relay be installed?
The relay is designed for PCB mounting or installation using compatible Finder relay sockets.
Which series does the Finder 40.51.9.012.0303 belong to?
The relay belongs to the Finder 40 Series miniature PCB relay range.
Trusted by Control System Designers Worldwide
Finder 40 Series miniature relays are widely used by automation engineers and OEM manufacturers to deliver compact, reliable switching solutions for modern electrical and control systems.
