Finder 40 Series Relay - 40.52.8.024.0000 - DPDT AC 8A

The Finder 40.52.8.024.0000 24V Relay (Miniature) DPDT AC 8A is from a range of industry-standard ...

Best current price£3.85from Rapid Online - Rapid Electronics Ltd.

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Rapid Online - Rapid Electronics Ltd.Finder 40.52.7.012.0000 DC DPDT 12V Relay (Miniature) 8A
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OnBuy.comFinder 40.52.7.012.0000 Dc Dpdt 12V Relay (Miniature) 8A 8012823240015
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eBayFinder 24V Relay (Miniature) DC DPDT 8A
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Tameson UKFinder 40.52 Dual Pcb Relay 8A 12Vdc Agni Contacts - 40.52.7.012.0000
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Blueperry agriculture (UK)Finder Silver Relay 2W 8A 24V Ac 405280240000
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Product Information

Full details

The Finder 40.52.8.024.0000 is a versatile miniature DPDT relay designed for PCB mounting, ideal for professionals in electronics and industrial automation who need reliable switching capabilities. Its key benefit is the robust 8A switching current and 24V AC coil operation, suitable for a wide range of applications. A potential caveat is its specific AC coil voltage requirement, necessitating compatible power sources.

All features

Series40 Series
Model Part Number40.52.8.024.0000
BrandFinder

Extended Product Information

FAQs

What type of voltage does the coil require?

The coil requires a 24V AC (alternating current) voltage.

What is the maximum switching current?

The relay can switch a maximum of 8A.

Can this relay be used in DC circuits?

No, this specific model is designed for AC coil voltage and AC switching. It is not suitable for DC circuits.

What is the contact configuration?

It features a DPDT (Double Pole Double Throw) configuration, meaning it has two sets of change-over contacts.

What is the operating temperature range?

The relay operates reliably in temperatures ranging from -40°C to +85°C.

Can this relay be mounted on a DIN rail?

No, this relay is designed specifically for PCB mounting and requires soldering onto a circuit board. It does not support DIN rail mounting directly.

What is the IP rating?

The relay has an IP20 rating, indicating protection against solid objects larger than 12.5mm but no protection against water.

Troubleshooting

Relay does not switch when coil is energized.

Verify the coil voltage is exactly 24V AC. Check for correct polarity if applicable to the control circuit. Ensure the coil terminals are properly soldered to the PCB. Measure coil resistance to check for opens.

Contacts are welded or do not open/close.

Ensure the load current and voltage do not exceed the relay's maximum switching capacity (8A, 400V AC, 2 kVA). Check for arcing caused by switching inductive loads; consider adding snubbers if necessary. Inspect contacts for physical damage.

Intermittent operation or poor contact.

Check for dry solder joints on the PCB. Ensure the relay is operating within its specified temperature range (-40°C to +85°C). Vibrations might affect performance; secure the PCB if necessary.

Pros and Cons

Pros

  • Versatile DPDT contact arrangement for flexible circuit design.
  • Robust 8A switching capacity handles moderate power loads.
  • Compact size suitable for dense PCB layouts.
  • High 6kV coil-to-contact isolation enhances safety.
  • Wide operating temperature range (-40°C to +85°C) ensures reliability in various environments.

Cons

  • Requires a 24V AC coil voltage, limiting compatibility with DC systems.
  • Not suitable for applications requiring latching functionality.
  • Through-hole terminals require soldering, not ideal for solderless prototyping.
  • IP20 protection offers minimal defense against dust and liquids.

Setup, Compatibility & Care

Setup: This relay is designed for PCB mounting and requires soldering to secure it to the board. Ensure correct orientation as per the datasheet. The coil is rated for 24V AC, so connect the appropriate AC power source to the coil terminals. The contact terminals are rated for up to 400V AC and 8A switching current.

Compatibility: Compatible with standard 24V AC control circuits. It is not suitable for DC control voltages. Ensure the connected load does not exceed the 8A switching current or 2 kVA switching power.

Care: Keep the relay clean and free from excessive dust or moisture, especially given its IP20 rating. Avoid exposing it to harsh chemicals. Periodically check solder joints for integrity. It operates reliably within a temperature range of -40°C to +85°C.

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