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55.34.9.024.2040 Finder Miniature plugin relay 4 pole 7A DC 24V
55.34.9.024.2040 Finder Miniature plugin relay 4 pole 7A DC 24V.
This product has been discontinued
A direct replacement is available below.
Replacement product
Finder 55.34.9.024.0040 55 Series Miniature general purpose plugin relays 4 Pole 7 Amp 24 Volt DC
SKU: 55.34.9.024.0040
£8.00 ex VAT
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Why Choose the Finder 55.34.9.024.2040 Industrial Relay?
The Finder 55.34.9.024.2040 is a compact and dependable general-purpose electromechanical industrial relay designed for switching, signalling and control applications in industrial automation systems, electrical control panels and machinery. As part of the established Finder 55 Series, this plug-in relay provides versatile switching functionality for applications requiring multiple changeover contacts.
Featuring four changeover contacts (4PDT) with a rated contact current of 7 A, the Finder 55.34.9.024.2040 enables several electrical circuits to be controlled using a single control signal. Its 24 V DC operating coil makes it particularly suitable for industrial automation equipment, PLC-controlled systems and electrical installations using low-voltage DC control supplies.
The relay incorporates silver cadmium oxide (AgCdO) contacts, a lockable test button and a mechanical position indicator for convenient operation and inspection. Its compact plug-in construction allows straightforward installation and replacement using compatible Finder relay sockets, making it a practical choice for electrical engineers, machine builders and industrial maintenance professionals.
Key Advantages
- Reliable industrial electromechanical relay for automation and electrical control applications.
- Four changeover contacts (4PDT) provide flexible switching of multiple circuits.
- 7 A rated contact current suitable for general-purpose electrical switching.
- 24 V DC operating coil compatible with industrial DC control systems.
- Silver cadmium oxide (AgCdO) contacts provide dependable switching performance.
- Lockable test button supports convenient manual testing during commissioning and maintenance.
- Mechanical position indicator allows visual inspection of relay operating status.
- Compact plug-in construction simplifies installation, servicing and replacement.
- Compatible with appropriately selected Finder Series 94 relay sockets.
- Four independent changeover contact sets support signalling, interlocking and auxiliary switching.
- Electromagnetic operation provides electrical isolation between coil and contact circuits.
Key Features
- Finder 55 Series general-purpose industrial relay.
- 55.34 configuration with four changeover contacts.
- 4PDT contact arrangement for multi-circuit switching.
- 7 A nominal contact current.
- 24 V DC nominal coil voltage.
- 19.2–26.4 V DC operating voltage range.
- 250 V AC nominal switching voltage.
- 1750 VA rated resistive switching capacity.
- 600 Ω nominal coil resistance.
- Silver cadmium oxide (AgCdO) contact material.
- Integrated lockable test button.
- Integrated mechanical position indicator.
- Monostable, non-latching electromagnetic operation.
- Plug-in terminals for compatible industrial relay sockets.
- Compact construction for electrical control panels and machinery.
Reliable DC-Controlled Switching for Industrial Automation
Industrial electromechanical relays such as the Finder 55.34.9.024.2040 provide a practical method of controlling several electrical circuits using a separate low-voltage control signal. When the 24 V DC coil is energised, the relay's electromagnetic mechanism changes the position of its four changeover contacts, allowing connected circuits to be switched according to the requirements of the automation system.
The Finder 55 Series is designed for general-purpose switching applications in industrial machinery, automation equipment and electrical control panels. Its plug-in construction allows the relay to be installed into compatible sockets, simplifying maintenance and replacement without extensive changes to existing control wiring. The integrated mechanical indicator provides a convenient visual indication of relay operation, while the lockable test button supports controlled manual testing during commissioning and maintenance.
With four changeover contact sets rated at 7 A, the Finder 55.34.9.024.2040 is particularly useful where a single DC control command must operate several auxiliary circuits. Typical functions include electrical interlocking, status indication, control sequencing and switching of appropriately rated electrical loads. Its 24 V DC coil also makes it suitable for use with compatible PLC and industrial control outputs, provided the output can supply the required coil current.
Typical Applications
- Industrial electrical control panels and switchgear assemblies.
- PLC-controlled automation systems and relay interfaces.
- Machinery automation and auxiliary control circuits.
- Electrical interlocking and sequential switching arrangements.
- Industrial signalling, indication and alarm circuits.
- 24 V DC control and automation systems.
- Heating, ventilation and air conditioning (HVAC) controls.
- Pump and fan control auxiliary circuits.
- Manufacturing and production line equipment.
- Building automation and electrical control installations.
- OEM machine building and electrical panel manufacturing.
- Maintenance and replacement of compatible industrial relays.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | Plug-in socket | |
| Switching Current (A) | 7 A | |
| Manufacturer | Finder | |
| Series | 55 Series General Purpose Relays | |
| Model | 55.34.9.024.2040 | |
| Product type | Industrial electromechanical relay | |
| Relay configuration | 4PDT (four-pole double-throw) | |
| Number of contacts | 4 changeover (CO) | |
| Rated contact current | 7 A | |
| Nominal switching voltage | 250 V AC | |
| Rated resistive switching capacity (AC-1) | 1750 VA | |
| Nominal coil voltage | 24 V DC | |
| Coil operating voltage range | 19.2–26.4 V DC | |
| Coil supply type | DC | |
| Nominal coil resistance | 600 Ω | |
| Nominal coil current | 40 mA | |
| Nominal coil consumption | approximately 1 W | |
| Contact material | Silver cadmium oxide (AgCdO) | |
| Operating principle | Electromagnetic, monostable | |
| Contact arrangement | Four independent changeover contact sets | |
| Test button | Integrated, lockable | |
| Position indication | Mechanical indicator | |
| Connection type | Plug-in terminals | |
| Mounting type | Socket mounting | |
| Compatible socket family | Finder Series 94, subject to socket model | |
| Operating temperature range | −40 to +85 °C | |
| Dimensions (L × W × H) | approximately 27.7 × 20.7 × 37.2 mm |
Frequently Asked Questions
What is the Finder 55.34.9.024.2040 used for?
The Finder 55.34.9.024.2040 is an industrial electromechanical relay used to switch multiple electrical control and auxiliary load circuits in machinery, automation systems and electrical control panels. Its four changeover contacts allow several circuits to be controlled using a single DC control signal.
What coil voltage does the Finder 55.34.9.024.2040 require?
The relay operates using a 24 V DC coil supply, with an operating voltage range of 19.2–26.4 V DC. It is designed for direct-current control circuits and must not be confused with the 24 V AC coil variants available within the Finder 55 Series.
How many contacts does the Finder 55.34.9.024.2040 have?
The relay features four changeover contacts (4PDT), each providing normally open and normally closed switching paths. The contacts have a nominal current rating of 7 A, subject to the connected electrical load and applicable switching conditions.
Does the Finder 55.34.9.024.2040 include a test button and status indicator?
Yes. The relay incorporates a lockable test button for manual operation and a mechanical position indicator for visual inspection of its switching status. These features are useful during commissioning, testing and maintenance of industrial control systems.
How is the Finder 55.34.9.024.2040 installed?
The relay uses a plug-in mounting arrangement and can be installed into a compatible Finder Series 94 socket designed for the four-pole 55.34 configuration. This allows convenient installation into electrical control panels and simplifies relay replacement during maintenance.
Trusted by Industrial Automation and Control Engineers Worldwide
Finder 55 Series industrial relays are widely used by electrical engineers, automation specialists and machine builders for dependable electromechanical switching. The Finder 55.34.9.024.2040 combines a 24 V DC coil, four 7 A changeover contacts, silver cadmium oxide contact material, a lockable test button and convenient plug-in installation to provide a versatile solution for industrial control, signalling and automation applications.
