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Finder 56.34 Miniature Power Relay - 4CO 12A 24VDC

Finder 56.34 Miniature Power Relay - 4CO 12A 24VDC

Miniature plug-in power relay featuring 4 changeover contacts rated at 12A/250VAC. Operates on 24V...

Best current price£11.35from eBay

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eBayGeneral Purpose Relay 55.32.8.110.0040 Finder 110VAC 10A/250VAC
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£11.35
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Rapid Online - Rapid Electronics Ltd.Finder 55.32.8.110.0040 Plug-in Relay 110 V AC 10 A 2 change-overs
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£12.94
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Tameson UKFinder 56.34 Miniature Power Relay 4Co 12A 24Vdc - 56.34.9.024.0040
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£17.83
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Blueperry agriculture (UK)Finder Silver Relay 4-P 110V/Ac 553481100050
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Product Information

Full details

The Finder 56.34.9.024.0040 is a miniature plug-in power relay designed for control in automation and electrical systems. It is ideal for users needing to switch multiple circuits with a reliable 24V DC input, offering a key benefit of compact yet powerful switching capability for industrial applications. A primary consideration is its reliance on a specific 24V DC coil voltage, requiring a compatible power source. Key features include four changeover contacts, a 12A switching current rating, quick connect terminals, and a lockable test button with a mechanical position indicator.

All features

Series56
Model Part Number56.34.9.024.0040
BrandFinder

Extended Product Information

FAQs

What is the required coil voltage for this relay?

The coil voltage required for this relay is 24V DC.

What is the maximum switching current this relay can handle?

The relay can handle a maximum switching current of 12A.

How do I manually test the relay's contacts?

The relay features a lockable test button. You can push and lock this button to manually engage the contacts for testing purposes.

What is the contact configuration of this relay?

This relay has a 4PDT (4 Pole Double Throw) contact configuration, meaning it has 4 changeover contacts.

Can this relay be used in outdoor or harsh environments?

No, this relay has an IP40 protection rating, which means it is protected against solid objects larger than 1mm and is suitable for clean industrial environments. It is not protected against water or dust ingress.

What are the dimensions of this relay?

The dimensions are approximately 40.8mm (depth) x 37.6mm (height) x 27.7mm (width).

What type of terminals does this relay use?

The relay uses quick connect terminals for easy and fast wiring.

Troubleshooting

Relay does not energize when coil voltage is applied.

Verify that the correct 24V DC coil voltage is applied to the coil terminals. Check the polarity if applicable. Ensure the coil itself is not damaged and that there are no open circuits in the control wiring.

Contacts are stuck open or closed (not switching).

Attempt to use the lockable test button to cycle the contacts. If the button also fails, the relay may be mechanically jammed or internally damaged and requires replacement. Check for excessive load current that may have welded the contacts.

Intermittent operation or poor contact.

Ensure the quick connect terminals are clean and securely fastened. Check for excessive vibration or temperature fluctuations in the operating environment. The relay may be nearing the end of its electrical life (rated for 100,000 cycles).

Relay overheats.

Confirm that the load current does not exceed the 12A rating. Ensure the ambient temperature is within the specified operating range. Overheating may indicate a short circuit in the load or a faulty relay coil.

Pros and Cons

Pros

  • Space-saving, compact form factor.
  • Versatile switching with 4PDT contacts.
  • High switching current capacity (12A).
  • Easy installation with quick connect terminals.
  • Includes a useful lockable test button for manual control.
  • Durable construction with AgNi contact material.

Cons

  • Requires a specific 24V DC power supply.
  • Limited to 400V AC maximum switching voltage.
  • IP40 rating means it's not suitable for dusty or wet environments without additional protection.
  • No latching function; requires continuous coil voltage to remain energized.
  • Mechanical size might be too small for very high-power industrial applications requiring larger relays.

Setup, Compatibility & Care

Setup: Connect the 24V DC coil voltage to the designated coil terminals. Wire the loads and control circuits to the appropriate contact terminals using the quick connect system. Ensure all connections are secure. The lockable test button can be used to manually engage the contacts for testing before applying full power.

Compatibility: This relay operates with a 24V DC coil. It is compatible with AC circuits up to 400V and DC circuits up to 250V (for resistive loads). The maximum switching current is 12A. It is designed for plug-in mounting, typically requiring a compatible socket (sold separately or as part of a system).

Care: Keep the relay clean and dry. Avoid exposing it to excessive dust, moisture, or extreme temperatures outside its operating range (-40°C to +70°C). Periodically check connections for tightness. Do not exceed the specified current and voltage ratings.

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