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40.31.9.018.0300 Finder Miniature PCB relay 1pole 10A DC 18V
Finder 40.31.9.018.0300 miniature PCB relay with 18 V DC coil and 10 A changeover contact for industrial control and automation applications.
Why Choose the Finder 40.31.9.018.0300 Miniature PCB Relay?
The Finder 40.31.9.018.0300 is a compact electromechanical miniature PCB relay designed for reliable switching in industrial automation, electrical control systems and electronic equipment. As part of the trusted Finder 40 Series miniature relay range, it provides dependable switching performance in applications requiring compact and efficient relay technology.
This relay features a single changeover contact configuration and an 18 V DC coil, providing reliable electrical isolation between control circuits and switched loads. Its PCB mounting format enables straightforward integration into compact electrical assemblies.
With a rated contact current of 10 A, the Finder 40.31.9.018.0300 is suitable for general-purpose switching applications requiring reliable miniature relay performance.
Key Advantages
- Compact miniature PCB relay for industrial control applications.
- Single changeover contact (SPDT / 1 CO) configuration.
- 10 A switching capacity for general electrical loads.
- 18 V DC coil operation for efficient control circuits.
- Reliable electrical isolation between coil and contacts.
Key Features
- Finder 40.31 miniature relay series.
- 1 CO (SPDT) contact configuration.
- 10 A rated contact current.
- 18 V DC coil voltage.
- AgNi contact material.
- PCB mounting design.
- RT II protection standard.
Reliable Switching for Industrial Control Systems
Miniature relays such as the Finder 40.31.9.018.0300 provide dependable switching and electrical separation between control electronics and connected loads. Their compact construction makes them suitable for applications where reliable operation and efficient use of installation space are required.
The Finder 40 Series is designed for automation engineers, control panel manufacturers and electronic equipment designers requiring proven relay technology with flexible installation options.
Typical Applications
- Industrial automation control panels.
- Machine control systems.
- Electronic interface circuits.
- Building automation equipment.
- PLC interface applications.
- General-purpose switching systems.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | PCB | |
| Switching Current (A) | 10 A | |
| Coil / Supply Voltage | 18 V DC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.31.9.018.0300 | |
| Product type | Miniature electromechanical relay | |
| Contact configuration | 1 CO (SPDT) | |
| Rated contact current | 10 A | |
| Coil voltage | 18 V DC | |
| Contact material | AgNi | |
| Mounting type | PCB mounting | |
| Protection category | RT II |
Frequently Asked Questions
What is the Finder 40.31.9.018.0300 used for?
This miniature relay is used for electrical switching and isolation in industrial automation, control panels and electronic equipment.
What coil voltage does the Finder 40.31.9.018.0300 require?
The relay operates with an 18 V DC coil.
How much current can this relay switch?
The relay has a rated contact current of 10 A.
What contact configuration does this relay have?
The Finder 40.31.9.018.0300 features a single changeover (1 CO / SPDT) contact configuration.
Where is this relay installed?
The relay is designed for PCB mounting in industrial control equipment, automation systems and electronic circuits.
Trusted by Automation Engineers Worldwide
Finder 40 Series miniature relays are widely used in industrial automation and control applications to provide reliable switching, electrical isolation and compact integration into modern electrical systems.
