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40.31.9.021.2001 Finder Miniature PCB relay 1pole 10A DC 21V
Finder 40.31.9.021.2001 miniature PCB relay with a 24 V DC coil and 10 A changeover contact designed for industrial control and automation applications.
Why Choose the Finder 40.31.9.021.2001 Miniature PCB Relay?
The Finder 40.31.9.021.2001 is a compact electromechanical PCB relay designed for reliable switching in industrial control, automation and electronic applications. Part of the established Finder Series 40 miniature relay range, it provides dependable operation where space-efficient installation and long service life are required.
This miniature relay features a 24 V DC coil and a single changeover contact configuration, providing flexible switching capability for control circuits and electrical loads. Its PCB mounting design allows straightforward integration into electronic assemblies, automation equipment and control systems.
With a 10 A contact rating, compact construction and proven Finder reliability, the 40.31.9.021.2001 is suitable for OEM equipment, industrial electronics and automation systems requiring dependable switching performance.
Key Advantages
- Compact miniature PCB relay for industrial and electronic control applications.
- 24 V DC coil voltage for standard control circuits.
- 10 A switching capability for reliable load control.
- Single changeover contact for flexible switching operation.
- Space-saving design for PCB-mounted installations.
- Reliable Finder construction for long service life.
Key Features
- Finder Series 40 miniature relay.
- 24 V DC operating coil.
- 1 changeover contact (SPDT / CO).
- 10 A rated contact current.
- PCB mounting connection.
- Electromechanical switching technology.
- Compact design for space-efficient control equipment.
- Flux-proof relay construction.
Reliable Switching for Industrial Electronics
Electromechanical relays such as the Finder 40.31.9.021.2001 provide electrical isolation between control circuits and switched loads, making them suitable for industrial automation, electronic equipment and control applications.
The Finder Series 40 combines compact dimensions with dependable switching characteristics, enabling engineers to develop reliable control solutions where PCB space and long-term performance are important.
Typical Applications
- Industrial automation control systems.
- PCB-mounted electronic equipment.
- OEM machinery control circuits.
- Electrical interface switching.
- Building automation systems.
- Industrial control panels.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Switching Current (A) | 10 A | |
| Mounting Type | PCB | |
| Terminal Type | PCB / pins | |
| Coil / Supply Voltage | 24 V DC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | 40 | |
| Model | 40.31.9.021.2001 | |
| Product type | Miniature PCB relay | |
| Coil voltage | 24 V DC | |
| Contact configuration | 1 changeover contact | |
| Rated contact current | 10 A | |
| Connection type | PCB pins | |
| Protection category | IP40 | |
| Mounting type | PCB mounting | |
| Dimensions (H × W × D) | approx. 25 × 12.4 × 29 mm |
Frequently Asked Questions
What is the Finder 40.31.9.021.2001 used for?
The Finder 40.31.9.021.2001 is a miniature PCB relay used for switching electrical loads in industrial automation, control and electronic applications.
What coil voltage does this relay require?
The relay operates with a 24 V DC coil.
How many contacts does the Finder 40.31.9.021.2001 have?
The relay has one changeover contact, providing normally open and normally closed switching functions.
What is the contact rating of this relay?
The relay has a contact rating of 10 A.
How is this relay installed?
The Finder 40.31.9.021.2001 is designed for PCB mounting using pin connections.
Trusted by Control System Designers
Finder Series 40 miniature relays are widely used by engineers and OEM manufacturers requiring compact, reliable and efficient switching solutions for industrial and electronic control systems.
