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.
40.51.9.005.0300 Finder Miniature PCB relay 1pole 10A DC 5V
Finder 40.51.9.005.0300 miniature power relay with a 5 V DC coil and one changeover contact designed for industrial control and automation switching applications.
Why Choose the Finder 40.51.9.005.0300 Miniature Power Relay?
The Finder 40.51.9.005.0300 is a compact and reliable electromechanical miniature power relay designed for dependable switching and control applications in industrial automation, electrical panels and building systems. As part of the established Finder 40 Series relay range, it provides reliable operation, efficient switching performance and easy integration into professional control systems.
This relay provides electrical isolation between control circuits and switched loads, allowing automation systems to safely control electrical equipment. Its compact plug-in design enables straightforward installation and replacement, making it suitable for applications where reliable switching performance and space-saving installation are required.
With a 5 V DC coil supply and a single changeover contact (SPDT), the Finder 40.51.9.005.0300 is suitable for industrial control panels, automation equipment, interface circuits and electrical switching applications requiring a dependable miniature relay solution.
Key Advantages
- Compact miniature power relay designed for industrial control applications.
- Single changeover contact (SPDT) for flexible switching control.
- 5 V DC coil voltage suitable for low-voltage control systems.
- Reliable electromechanical switching technology.
- Plug-in design enables simple installation and maintenance.
- Suitable for automation systems, electrical panels and control circuits.
Key Features
- Finder 40 Series miniature power relay.
- 1 changeover contact (SPDT).
- 5 V DC coil operation.
- 10 A rated switching current.
- Electromechanical relay construction.
- Plug-in mounting system with compatible Finder sockets.
- AgNi contact material for dependable switching performance.
- Compact design for electrical cabinet installation.
Reliable Switching for Industrial Control Systems
Electromechanical relays such as the Finder 40 Series provide electrical isolation between control circuits and switched loads, allowing industrial and commercial systems to control electrical equipment safely and efficiently.
The Finder 40.51.9.005.0300 combines compact dimensions with dependable switching capability, making it suitable for engineers and installers requiring a reliable relay solution for automation and electrical control applications.
Typical Applications
- Industrial automation control panels.
- Machine control systems.
- Building automation equipment.
- Interface and switching applications.
- HVAC and electrical control circuits.
- Control and monitoring systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Plug-in Relay | |
|---|---|---|
| Switching Current (A) | 10 A | |
| Mounting Type | Plug-in socket | |
| Coil / Supply Voltage | 5 V DC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.51.9.005.0300 | |
| Product type | Electromechanical miniature power relay | |
| Contact configuration | 1 changeover contact (SPDT) | |
| Coil voltage | 5 V DC | |
| Rated contact current | 10 A | |
| Mounting type | Plug-in mounting | |
| Contact material | AgNi | |
| Frequency | 50 / 60 Hz | |
| Protection category | IP20 when installed with suitable socket |
Frequently Asked Questions
What is the Finder 40.51.9.005.0300 used for?
The relay is used for switching and controlling electrical circuits in industrial automation, electrical panels and control systems.
What coil voltage does this relay require?
The Finder 40.51.9.005.0300 operates with a 5 V DC coil supply.
How many contacts does the relay have?
The relay features 1 changeover contact (SPDT) for flexible switching applications.
What current can the relay switch?
The relay is designed for switching loads up to 10 A depending on the application and operating conditions.
Where is this relay typically installed?
The relay is typically installed in electrical cabinets, automation panels and control systems using a compatible plug-in socket.
Trusted by Automation Professionals Worldwide
Finder relays are widely used by electrical engineers and automation professionals to provide reliable switching, isolation and control within modern industrial and commercial systems.
