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40.31.9.028.0000 Finder Miniature PCB relay 1pole 10A DC 28V
Finder 40.31.9.028.0000 miniature PCB relay with 28 V DC coil, single change-over contact and 12 A switching capacity for industrial control and automation applications.
Why Choose the Finder 40.31.9.028.0000 Miniature PCB Relay?
The Finder 40.31.9.028.0000 is a compact and reliable miniature electromechanical PCB relay designed for switching and control applications in industrial automation, electrical equipment and electronic systems. As part of the trusted Finder Series 40 relay range, it provides dependable switching performance in a space-saving format for applications requiring efficient circuit board integration.
This relay combines a compact construction with a robust contact system, making it suitable for OEM equipment, control panels and automation systems. The PCB and plug-in mounting design allows flexible installation while maintaining reliable electrical isolation and switching capability.
With a 28 V DC coil, a single change-over contact configuration and a 12 A contact rating, the Finder 40.31.9.028.0000 is suitable for industrial and commercial switching applications requiring dependable miniature relay operation.
Key Advantages
- Compact miniature PCB relay for industrial and electronic applications.
- 28 V DC coil voltage for specialist control systems.
- 12 A switching capability for reliable load control.
- Single change-over contact configuration for flexible circuit switching.
- PCB and plug-in mounting capability for versatile installation.
- Suitable for automation, control panels and OEM equipment.
Key Features
- Finder Series 40 miniature relay.
- 28 V DC standard coil.
- 1 change-over contact (SPDT / CO).
- 12 A contact rating.
- Electromechanical monostable relay technology.
- PCB / socket mounting with 3.5 mm pin spacing.
- AgNi contact material.
- Compact 12.4 mm wide relay body.
Reliable Switching for Industrial Control Systems
Miniature relays such as the Finder 40.31.9.028.0000 provide electrical isolation and dependable switching between control circuits and connected loads. Their compact design allows engineers to integrate reliable relay functionality into equipment where installation space is limited.
The Finder Series 40 range is widely used in industrial automation, electronic equipment and control applications where consistent switching performance and long service life are required.
Typical Applications
- Industrial automation control systems.
- OEM machinery and equipment.
- Electronic control boards.
- Electrical control panels.
- Interface and switching circuits.
- Building and industrial control 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 | 28 V DC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.31.9.028.0000 | |
| Product type | Miniature electromechanical PCB relay | |
| Coil voltage | 28 V DC | |
| Coil power | 0.65 W | |
| Contact configuration | 1 change-over contact | |
| Contact rating | 12 A | |
| Contact material | AgNi | |
| Mounting type | PCB / plug-in mounting | |
| Pin spacing | 3.5 mm | |
| Protection category | RT II | |
| Dimensions (H × W × D) | 25 × 12.4 × 29 mm | |
| Weight | approx. 17 g |
Frequently Asked Questions
What is the Finder 40.31.9.028.0000 used for?
This relay is used for switching electrical loads in industrial automation, control systems and electronic equipment.
What coil voltage does this relay require?
The Finder 40.31.9.028.0000 uses a 28 V DC coil.
How many contacts does this relay have?
The relay has a single change-over contact configuration.
What is the maximum contact current rating?
The relay has a contact rating of 12 A.
How is this relay mounted?
The Finder 40.31.9.028.0000 is designed for PCB or plug-in mounting.
Trusted by Industrial Control Engineers
Finder Series 40 miniature relays are used by automation engineers and equipment manufacturers worldwide for reliable switching, compact installation and dependable electrical control.
