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40.31.7.024.0300 Finder Miniature PCB relay 1pole 10A DC 24V
Finder 40.31.7.024.0300 is a compact miniature PCB and plug-in relay featuring a sensitive 24 V DC coil and a single normally open contact rated at 10 A.
Why Choose the Finder 40.31.7.024.0300 Miniature PCB Relay?
The Finder 40.31.7.024.0300 is a compact and dependable miniature electromechanical PCB relay designed for switching electrical loads in industrial automation, control equipment and electronic systems. As part of the established Finder Series 40, it provides reliable operation in a space-saving enclosure suitable for direct PCB mounting or installation through a compatible socket.
This relay features a single normally open contact rated at 10 A, allowing it to switch common control and power loads. Its silver-nickel contact material provides dependable electrical performance, while reinforced insulation between the coil and contacts supports safe integration into industrial and electronic equipment.
With a sensitive 24 V DC coil, a coil power consumption of 0.5 W and a compact body measuring 12.4 × 29 × 25 mm, the Finder 40.31.7.024.0300 is well suited to densely populated circuit boards and control assemblies. Its PCB and socket-compatible pin arrangement also supports flexible equipment design and servicing.
Key Advantages
- Compact miniature relay for PCB and socket installation.
- 10 A normally open contact supports a wide range of switching duties.
- Sensitive 24 V DC coil with low power consumption.
- Silver-nickel contacts provide dependable switching performance.
- Reinforced coil-to-contact insulation supports electrical safety.
- Compact dimensions simplify integration into space-conscious equipment.
Key Features
- Finder Series 40 miniature electromechanical relay.
- SPST-NO / 1 Form A contact configuration.
- 10 A rated contact current.
- 24 V DC sensitive coil.
- 0.5 W coil power consumption.
- Silver-nickel contact material.
- 3.5 mm contact pin pitch.
- Suitable for direct PCB mounting or use with a compatible relay socket.
Reliable Switching for Electronic and Control Equipment
Electromechanical relays allow a low-power control signal to switch an electrically isolated load circuit. This makes them useful for connecting electronic controllers, sensors and automation equipment to higher-current devices while maintaining separation between the coil and switched circuit.
The Finder Series 40 combines compact dimensions with dependable contact performance and reinforced insulation. Its PCB and socket-compatible construction makes it suitable for both original equipment manufacturing and replaceable relay assemblies within industrial control systems.
Typical Applications
- Industrial automation and PLC interface circuits.
- Electronic control boards and embedded equipment.
- Heating, ventilation and air-conditioning controls.
- Lighting and electrical switching systems.
- Machine controls and production equipment.
- Domestic appliance and building automation circuits.
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 | 24 V DC | |
| Contacts | 1NO | |
| Manufacturer | Finder | |
| Series | 40 Series | |
| Model | 40.31.7.024.0300 | |
| Product type | Miniature PCB / plug-in electromechanical relay | |
| Contact configuration | SPST-NO / 1 Form A | |
| Number of poles | 1 | |
| Rated contact current | 10 A | |
| Rated contact voltage | 250 V AC | |
| DC contact rating | 10 A at 24 V DC | |
| Coil voltage | 24 V DC | |
| Coil type | Sensitive DC coil | |
| Coil power consumption | 0.5 W | |
| Coil resistance | 1.15 kΩ | |
| Contact material | Silver nickel | |
| Contact pin pitch | 3.5 mm | |
| Pin length | 5.3 mm | |
| Mounting type | PCB or compatible socket | |
| Environmental protection | RT II flux proof | |
| Coil-to-contact impulse withstand voltage | 6 kV | |
| Operating temperature | −40 to +85 °C | |
| Dimensions (W × L × H) | 12.4 × 29 × 25 mm |
Frequently Asked Questions
What is the Finder 40.31.7.024.0300 used for?
This relay allows a low-power control circuit to switch electrical loads in automation equipment, electronic control boards and machinery.
What coil voltage does this relay require?
The Finder 40.31.7.024.0300 uses a sensitive 24 V DC coil.
What contact configuration does the relay provide?
The relay provides one SPST-NO normally open contact, also described as a 1 Form A configuration.
What is the contact current rating?
The normally open contact has a rated current of 10 A.
How can the Finder 40.31.7.024.0300 be mounted?
The relay can be mounted directly onto a printed circuit board or installed through a compatible Finder relay socket.
Trusted for Industrial Switching Worldwide
Finder miniature relays are used by electronic designers, automation engineers and equipment manufacturers to provide reliable switching within compact control and power circuits.
