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40.31.9.110.0300 Finder Miniature PCB relay 1pole 10A DC 110V
Finder 40.31.9.110.0300 miniature PCB relay with 110 V DC coil and single changeover contact for industrial control and automation applications.
Why Choose the Finder 40.31.9.110.0300 PCB Relay?
The Finder 40.31.9.110.0300 is a compact and reliable miniature electromagnetic PCB relay designed for dependable switching and electrical isolation in industrial automation, control panels and electronic equipment. As part of the proven Finder 40 Series relay range, it provides reliable electromechanical operation with a space-saving design suitable for printed circuit board and socket mounting applications.
This relay delivers efficient switching performance with a robust coil system and high-quality contacts, making it suitable for interface circuits, industrial controls and automation equipment. The compact design and RT II protection category support reliable operation in a wide range of industrial environments.
With a rated 110 V DC coil supply and a single changeover contact configuration, the Finder 40.31.9.110.0300 provides flexible switching control for industrial and electronic applications requiring dependable relay technology.
Key Advantages
- Compact miniature relay designed for industrial control applications.
- 110 V DC coil voltage suitable for industrial control circuits.
- Single changeover contact (SPDT) configuration for flexible switching.
- 12 A contact rating for reliable electrical load control.
- AgNi contact material provides dependable switching performance.
- PCB or socket mounting flexibility for automation equipment.
Key Features
- Finder 40 Series miniature relay.
- 1 changeover contact (CO).
- 110 V DC coil supply.
- 12 A rated contact current.
- AgNi contact material.
- Monostable electromechanical relay design.
- PCB mounting with compact terminal arrangement.
- RT II protection category for industrial applications.
Reliable Switching for Industrial Control Systems
Miniature relays such as the Finder 40.31.9.110.0300 provide electrical separation between control circuits and connected loads while enabling reliable switching within industrial and electronic systems.
The Finder 40 Series is designed for engineers and equipment manufacturers requiring compact, dependable relay solutions. Its proven switching technology, quality contacts and flexible mounting options allow seamless integration into modern automation and control applications.
Typical Applications
- Industrial automation systems.
- Electrical control panels.
- Machine building equipment.
- PLC interface circuits.
- Electronic control systems.
- Industrial 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 | 110 V DC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.31.9.110.0300 | |
| Product type | Miniature electromagnetic PCB relay | |
| Contact configuration | 1 changeover contact (SPDT) | |
| Rated contact current | 12 A | |
| AC contact rating | 12 A / 250 V AC | |
| Coil voltage | 110 V DC | |
| Contact material | AgNi | |
| Mounting type | PCB mounting / socket mounting | |
| Protection category | RT II | |
| Dimensions | 29 × 12.4 × 25 mm |
Frequently Asked Questions
What is the Finder 40.31.9.110.0300 used for?
This relay is used for switching electrical loads and providing isolation in industrial automation and control circuits.
What coil voltage does this relay require?
The Finder 40.31.9.110.0300 uses a 110 V DC coil supply.
What contact arrangement does this relay have?
The relay features a single changeover contact (SPDT) configuration.
What is the contact rating of this relay?
The relay provides a rated contact current of 12 A with an AC switching rating of 12 A / 250 V AC.
Where is this relay typically installed?
The relay is typically installed on printed circuit boards or relay sockets within industrial equipment, automation systems and electronic control assemblies.
Trusted by Control Engineers Worldwide
Finder relays are widely used by automation engineers and electrical designers to deliver reliable switching, isolation and control in modern industrial and electronic systems.
