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40.52.9.005.0300 Finder Miniature PCB relay 2pole 8A DC 5V
Finder 40.52.9.005.0300 miniature electromagnetic relay with a 5 V DC coil and two 8 A normally open contacts designed for industrial control and automation applications.
Why Choose the Finder 40.52.9.005.0300 Miniature Relay?
The Finder 40.52.9.005.0300 is a compact and reliable miniature electromagnetic relay designed for switching and control applications in industrial automation, electrical panels and electronic equipment. As part of the proven Finder 40 Series relay range, it provides dependable switching performance in space-saving PCB and socket-mounted installations.
This relay features a robust contact system and a low-power DC coil, making it suitable for interface, control and automation circuits where reliable electrical isolation and switching capability are required. Its compact construction enables efficient integration into control boards and industrial equipment designs.
With a 5 V DC coil and 2 normally open contacts rated at 8 A, the Finder 40.52.9.005.0300 is ideal for switching resistive and general-purpose loads in automation systems, control panels and electronic applications requiring dependable relay operation.
Key Advantages
- Compact miniature electromagnetic relay for industrial control applications.
- 5 V DC coil voltage suitable for low-voltage control circuits.
- Dual normally open contacts rated at 8 A for reliable load switching.
- High-quality AgNi contact material for durable switching performance.
- Suitable for PCB mounting or socket installation.
- Wide operating temperature range for demanding industrial environments.
Key Features
- Finder 40 Series miniature relay.
- 5 V DC nominal coil voltage.
- 2NO (DPST) contact configuration.
- 8 A contact current rating.
- 8 A / 250 V AC contact rating.
- AgNi silver nickel contact material.
- Monostable relay operation.
- PCB and socket mounting capability.
Reliable Switching for Industrial Control Systems
Electromechanical relays such as the Finder 40.52.9.005.0300 provide electrical isolation between control circuits and switched loads while enabling reliable operation of industrial and electronic equipment. Their proven mechanical design delivers dependable switching performance across a wide range of applications.
The Finder 40 Series is designed for automation engineers, panel builders and OEM equipment manufacturers requiring compact relay solutions with flexible mounting options and long-term operational reliability.
Typical Applications
- Industrial automation control systems.
- PLC interface and switching circuits.
- Electrical control panels.
- Machine building and OEM equipment.
- Electronic control boards.
- General-purpose load switching applications.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Switching Current (A) | 8 A | |
| Mounting Type | PCB, Plug-in socket | |
| Coil / Supply Voltage | 5 V DC | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.52.9.005.0300 | |
| Product type | Miniature electromagnetic relay | |
| Relay configuration | 2NO (DPST) | |
| Rated coil voltage | 5 V DC | |
| Contact current rating | 8 A | |
| Maximum AC switching rating | 8 A / 250 V AC | |
| Contact material | AgNi | |
| Coil power consumption | 650 mW | |
| Coil resistance | 38 Ω | |
| Mounting type | PCB mounting / socket mounting | |
| Operating temperature | -40 to +85 °C | |
| Protection category | RT II | |
| Dimensions (H × W × D) | approx. 25 × 12.4 × 29 mm |
Frequently Asked Questions
What is the Finder 40.52.9.005.0300 used for?
The Finder 40.52.9.005.0300 is a miniature electromagnetic relay used for switching and control applications in industrial automation, electrical panels and electronic equipment.
What coil voltage does this relay require?
The relay operates with a 5 V DC coil for low-voltage control applications.
How many contacts does the relay have?
The Finder 40.52.9.005.0300 features two normally open contacts (2NO).
What load current can the relay switch?
The relay contacts are rated for 8 A switching current, including 8 A at 250 V AC for resistive loads.
Where is this relay typically installed?
The relay is commonly installed on printed circuit boards or with compatible relay sockets in industrial control and automation systems.
Trusted by Automation Professionals Worldwide
Finder 40 Series relays are widely used by control engineers and OEM manufacturers to provide reliable switching, compact installation and dependable operation in modern electrical systems.
