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40.52.9.018.0300 Finder Miniature PCB relay 2pole 8A DC 18V
Finder 40.52.9.018.0300 miniature electromechanical relay with 18 V DC coil, 8 A DPDT contacts and mechanical indicator with test button for industrial control applications.
Why Choose the Finder 40.52.9.018.0300 Miniature PCB Relay?
The Finder 40.52.9.018.0300 is a compact and reliable miniature electromechanical relay designed for PCB mounting and industrial control applications. As part of the proven Finder 40 Series relay range, it provides dependable switching performance for automation systems, electronic equipment and electrical control panels.
This relay features a double changeover (DPDT / 2CO) contact configuration with AgNi contact material, providing reliable switching for a wide range of resistive and inductive loads. Its compact design and integrated indication features make it suitable for applications requiring efficient installation and easy maintenance.
With an 18 V DC coil, 8 A contact rating and a built-in mechanical indicator and test button, the Finder 40.52.9.018.0300 is ideal for industrial automation, control cabinets, OEM equipment and general-purpose switching applications.
Key Advantages
- Compact Finder 40 Series miniature relay for professional control applications.
- 18 V DC coil voltage suitable for industrial and electronic control systems.
- 2 changeover contacts (DPDT / 2CO) for flexible switching configurations.
- 8 A contact rating for reliable load control.
- Mechanical indicator and test button for simplified testing and commissioning.
- Suitable for automation systems, control panels and OEM equipment.
Key Features
- Finder 40 Series miniature relay.
- 2 changeover contacts (DPDT / 2CO).
- 18 V DC nominal coil voltage.
- 8 A maximum contact current.
- 8 A at 250 V AC contact rating.
- AgNi silver nickel contact material.
- Mechanical flag indicator.
- Test button for manual operation.
- PCB or socket mounting capability.
Reliable Switching for Industrial Control Systems
Miniature relays such as the Finder 40.52.9.018.0300 provide electrical isolation and dependable switching between control circuits and connected loads. The integrated indicator and test function support easier installation, diagnostics and maintenance in professional electrical systems.
The Finder 40 Series combines compact construction, reliable contacts and flexible installation options, making it a trusted relay solution for industrial automation and control applications.
Typical Applications
- Industrial automation control systems.
- Electrical control panels and cabinets.
- Machine control equipment.
- PCB-based electronic systems.
- Building automation applications.
- General-purpose switching circuits.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | PCB, Plug-in socket | |
| Switching Current (A) | 8 A | |
| Coil / Supply Voltage | 18 V DC | |
| Contacts | 2 C/O | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.52.9.018.0300 | |
| Product type | Miniature electromechanical relay | |
| Contact configuration | 2CO (DPDT) | |
| Rated coil voltage | 18 V DC | |
| Contact current | 8 A | |
| Contact rating | 8 A / 250 V AC | |
| Contact material | AgNi | |
| Mounting type | PCB mounting / relay socket | |
| Dimensions (H × W × D) | approx. 25 × 12.4 × 29 mm | |
| Operating temperature | -40…85 °C |
Frequently Asked Questions
What is the Finder 40.52.9.018.0300 used for?
The Finder 40.52.9.018.0300 is a miniature electromechanical relay used for switching and isolation in industrial automation, control panels and electronic equipment.
What coil voltage does this relay require?
The relay operates with an 18 V DC coil.
How many contacts does the Finder 40.52.9.018.0300 have?
The relay features 2 changeover contacts (DPDT / 2CO) for flexible circuit switching.
What additional features are included?
The relay includes a mechanical indicator and test button to assist with checking and commissioning.
What is the contact rating of this relay?
The relay has a maximum contact rating of 8 A at 250 V AC.
Trusted by Engineers Worldwide
Finder 40 Series relays provide reliable miniature switching solutions for automation engineers, OEM manufacturers and control system designers requiring compact and dependable relay technology.
