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40.31.7.028.0301 Finder Miniature PCB relay 1pole 10A DC 28V
Finder 40.31.7.028.0301 miniature electromagnetic relay with a 28 V DC coil and 10 A change-over contact for industrial control and automation applications.
Why Choose the Finder 40.31.7.028.0301 Miniature PCB Relay?
The Finder 40.31.7.028.0301 is a compact and dependable miniature electromagnetic PCB relay designed for reliable switching and electrical isolation in industrial automation, control panels and electronic equipment. As part of the proven Finder 40 Series relay range, it provides efficient switching performance in applications where space-saving installation and long service life are required.
This relay features a 28 V DC coil and a single change-over contact configuration, offering flexible circuit control for industrial and electronic systems. Its miniature design enables efficient installation on printed circuit boards or with compatible Finder relay sockets.
With a 10 A contact rating, AgNi contact material and a compact 12.4 mm width, the Finder 40.31.7.028.0301 is suitable for automation equipment, electrical control systems and OEM applications requiring dependable switching in a reduced footprint.
Key Advantages
- Compact miniature relay for PCB and socket mounting.
- 28 V DC coil suitable for industrial control circuits.
- 10 A switching capacity for dependable load control.
- Single change-over contact provides flexible switching options.
- AgNi contacts deliver reliable electrical performance.
- Suitable for automation, control panels and electronic equipment.
Key Features
- Finder 40 Series miniature relay.
- 28 V DC monostable coil.
- 1 change-over contact (SPDT / CO).
- 10 A maximum switching current.
- PCB mounting with 3.5 mm terminal pitch.
- AgNi contact material.
- Fluxproof RT II protection construction.
- Compact 12.4 mm wide relay body.
Reliable Switching for Industrial Control Systems
Miniature relays such as the Finder 40.31.7.028.0301 provide safe electrical separation between control circuits and connected loads while maintaining reliable switching performance. Their compact dimensions make them ideal for modern control panels and electronic systems where installation space is limited.
The Finder 40 Series combines proven relay technology with flexible mounting options, making it a popular choice for automation engineers, equipment manufacturers and electrical designers requiring reliable switching components.
Typical Applications
- Industrial automation control panels.
- PLC interface and electronic control systems.
- OEM machinery and equipment controls.
- Electrical distribution and switching panels.
- Building automation systems.
- Electronic circuit board applications.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | PCB, Plug-in socket | |
| Switching Current (A) | 10 A | |
| Coil / Supply Voltage | 28 V DC | |
| Contacts | 1 C/O | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.31.7.028.0301 | |
| Product type | Miniature electromagnetic relay | |
| Coil voltage | 28 V DC | |
| Contact configuration | 1 change-over contact (SPDT) | |
| Contact current | 10 A | |
| Contact material | AgNi | |
| Mounting type | PCB or socket mounting | |
| Terminal pitch | 3.5 mm | |
| Protection category | RT II fluxproof | |
| Dimensions (W × H × D) | approx. 12.4 × 25 × 29 mm |
Frequently Asked Questions
What is the Finder 40.31.7.028.0301 used for?
The Finder 40.31.7.028.0301 is a miniature electromagnetic relay used for switching and isolating electrical circuits in automation, control panels and electronic equipment.
What coil voltage does this relay require?
The Finder 40.31.7.028.0301 uses a 28 V DC coil.
How much current can the relay switch?
The relay is rated for switching currents up to 10 A.
What contact arrangement does this relay have?
The relay uses a single change-over contact (SPDT) arrangement.
How is this relay installed?
The Finder 40.31.7.028.0301 is designed for PCB mounting or installation using compatible Finder 40 Series relay sockets.
Trusted by Industrial Control Engineers
Finder 40 Series miniature relays are widely used in industrial automation and electronic control applications where compact size, dependable switching and long-term reliability are essential.
