Finder 48 Series Relay - Dual Interface - 24V DC - 8A

This industrial interface relay module features dual CO contacts rated at 8A/250VAC, operating on ...

Best current price£12.31from Rapid Online - Rapid Electronics Ltd.

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Rapid Online - Rapid Electronics Ltd.Finder 48.52.7.024.0050 Relay 24 V DC 8 A 2 Change-Overs 1 piece
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Tameson UKFinder 48.31 Interface Relay Module 12V Dc 10A Single Contact - 48.31.7.012.0050
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Product Information

Full details

This guide is for industrial automation professionals and engineers needing reliable control switching. The Finder 48.52.7.024.0050 offers a robust solution for interfacing control signals with machinery using its dual 8A/250VAC contacts and 24VDC coil. A potential limitation to consider is its specific coil voltage requirement, which necessitates careful integration into existing power systems.

All features

Series48 Series
Model Part Number48.52.7.024.0050
BrandFinder

Extended Product Information

FAQs

What is the maximum AC voltage and current the contacts can switch?

The dual CO contacts are rated for a maximum of 8A at 250VAC.

What is the required coil voltage for this relay?

This specific model requires a 24VDC coil voltage.

Can this relay be mounted without a DIN rail?

While designed for DIN rail mounting, alternative secure mounting methods may be possible if screw terminals for chassis mounting are available or adapted, though DIN rail is the standard and recommended method.

What does the built-in LED indicator signify?

The LED indicator provides a visual indication that the relay coil is energized.

What is the purpose of the freewheeling diode?

The freewheeling diode protects the control circuit from voltage spikes that occur when the relay coil is de-energized, helping to extend the life of the relay and other electronic components.

What type of contact material is used?

The relay features silver alloy contacts for good conductivity and durability.

What are the physical dimensions of the relay?

The dimensions are 15.8mm (width) x 75.3mm (height) x 78.6mm (depth).

Troubleshooting

Relay does not energize when control voltage is applied.

Verify the 24VDC supply is present and correct at the coil terminals (A1/A2). Check wiring connections for looseness or errors. Ensure the control signal is active.

Contacts do not switch (remain open or closed).

Confirm the coil is energized (check LED indicator). If energized, the relay may be faulty or the contacts may be welded or damaged. Inspect contacts if possible or replace the relay.

Overheating of the relay.

Check if the load current exceeds the 8A rating. Ensure proper ventilation around the relay. Verify the coil voltage is stable and within specification.

LED indicator is off when expected.

The LED indicates coil energization. If the LED is off but voltage is present at the coil terminals, the LED itself may be faulty, or the relay coil may be open. If voltage is absent, check the control circuit upstream.

Pros and Cons

Pros

  • Reliable switching performance with 8A contacts.
  • Easy integration into 24VDC control systems.
  • Secure screw terminal connections.
  • Space-saving DIN rail mounting.
  • Visual status indication via LED.
  • Internal protection with freewheeling diode.

Cons

  • Specific 24VDC coil voltage may limit direct replacement in systems with different coil voltages.
  • Not suitable for applications requiring higher current loads beyond 8A.
  • Requires appropriate DIN rail for mounting.
  • Relay functionality is dependent on a stable 24VDC power source.

Setup, Compatibility & Care

Setup:

  1. Ensure the power supply matches the coil voltage (24VDC).
  2. Mount the relay securely onto a 35mm DIN rail.
  3. Wire the control circuit to the coil terminals (A1/A2) and the load circuits to the contact terminals (e.g., 11/12/14 for the first CO contact).
  4. Verify all connections are tight and secure before applying power.

Compatibility:

  • Primarily compatible with control systems providing a 24VDC signal.
  • Suitable for switching AC loads up to 250VAC and 8A.
  • Ensure surrounding components do not exceed temperature limits for optimal performance.

Care:

  • Keep the relay free from dust and moisture.
  • Periodically check terminal connections for tightness.
  • Avoid exposure to corrosive environments.
  • Ensure adequate ventilation around the relay.

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