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40.51.9.018.0003 Finder Miniature PCB relay 1pole 10A DC 18V
Finder 40.51.9.018.0003 miniature electromechanical PCB relay with 18 V DC coil, SPDT contact configuration and 12 A switching capacity for industrial control applications.
Why Choose the Finder 40.51.9.018.0003 Miniature Relay?
The Finder 40.51.9.018.0003 is a compact and reliable electromechanical PCB relay designed for switching and control applications in industrial automation, electrical panels and electronic equipment. As part of the Finder 40 Series miniature relay range, it provides dependable switching performance in a space-saving format suitable for PCB mounting and relay socket installation.
This miniature relay provides electrical isolation between control circuits and switched loads, making it suitable for applications where reliable switching, compact dimensions and long operating life are required. The Finder 40 Series supports PCB mounting or installation using compatible sockets for flexible system integration.
With an 18 V DC coil voltage, a single changeover contact configuration (SPDT) and a 12 A contact rating, the Finder 40.51.9.018.0003 is suitable for compact switching applications in electrical and automation systems.
Key Advantages
- Compact miniature electromechanical relay for PCB and socket mounting.
- 12 A switching capability for general industrial control applications.
- 18 V DC coil voltage for reliable relay operation.
- Single changeover contact configuration for flexible circuit switching.
- Suitable for industrial automation and electrical control systems.
- Designed for dependable switching performance in compact installations.
Key Features
- Finder 40 Series miniature PCB relay.
- Single pole changeover contact (SPDT / 1 CO).
- 12 A rated contact current.
- 18 V DC coil voltage.
- AgNi contact material.
- PCB mounting or compatible socket installation.
- Compact design for control panels and automation equipment.
- Suitable for industrial switching and interface applications.
Reliable Switching for Industrial Control Systems
Electromechanical relays such as the Finder 40.51.9.018.0003 provide electrical isolation between control circuits and switched loads, allowing control systems to operate electrical equipment safely and reliably.
The Finder 40 Series is designed for automation engineers, panel builders and equipment manufacturers requiring compact relay solutions with proven switching performance and dependable operation.
Typical Applications
- Industrial automation control panels.
- Machine control systems.
- Electrical interface circuits.
- PCB-based electronic control equipment.
- Building automation systems.
- General switching applications.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | PCB, Plug-in socket | |
| Switching Current (A) | 12 A | |
| Coil / Supply Voltage | 18 V DC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.51.9.018.0003 | |
| Product type | Electromechanical PCB relay | |
| Contact configuration | 1 CO (SPDT) | |
| Contact current | 12 A | |
| Rated contact voltage | 250 V AC | |
| Coil voltage | 18 V DC | |
| Contact material | AgNi | |
| Mounting type | PCB mounting / socket mounting | |
| Pin pitch | 5 mm | |
| Protection category | RT II | |
| Operating temperature | -40 to +85 °C |
Frequently Asked Questions
What is the Finder 40.51.9.018.0003 used for?
This relay is used for switching electrical loads in industrial automation, control panels and electronic control systems.
What coil voltage does this relay require?
The Finder 40.51.9.018.0003 uses an 18 V DC coil.
What contact configuration does this relay have?
The relay features a single changeover contact (1 CO / SPDT) configuration.
What is the contact current rating?
The relay has a rated contact current of 12 A.
How is this relay installed?
The relay is designed for PCB mounting or use with compatible Finder relay sockets.
Trusted by Automation Engineers Worldwide
Finder 40 Series miniature relays are widely used in industrial control systems and automation equipment where reliable switching, compact design and long service life are required.
