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Finder PCB Relay - 2CO 8A 230VAC

Finder PCB Relay - 2CO 8A 230VAC

PCB/plug-in relay featuring 5mm pin spacing with two changeover contacts rated at 8A/250VAC. Equip...

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

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Finder 40.52.7.012.0000 DC DPDT 12V Relay (Miniature) 8A

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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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£3.85
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OnBuy.comFinder 40.52.7.024.0000 24V Relay (Miniature) Dc Dpdt 8A 8012823240077
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eBayFinder 24V Relay (Miniature) DC DPDT 8A
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Tameson UKFinder 40.52 Pcb Relay 24Vdc 8A Dual Co Agni - 40.52.7.024.0000
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Blueperry agriculture (UK)Finder Silver Relay 2W 8A 24V Ac 405280240000
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Product Information

Full details

This Finder PCB Mount Power Relay is designed for engineers and hobbyists integrating reliable switching into electronic circuits. Its key benefit is providing two robust changeover contacts capable of switching up to 8A at 250VAC, powered by a standard 230V AC coil. A primary consideration is its suitability for PCB or plug-in applications, requiring appropriate mounting and wiring.

All features

Series40.52
Model Part Number40.52.8.230.0000
BrandFinder

Extended Product Information

FAQs

What is the maximum switching voltage for this relay?

The maximum switching voltage is 400V AC.

What type of contact material does this relay use?

This relay uses Silver Nickel (AgNi) contact material.

Can this relay be used for DC loads?

While primarily designed for AC, it can be used for DC loads if the voltage and current are within the respective limits and appropriate arc suppression is used. However, its performance is optimized for AC.

What is the coil resistance?

The coil resistance is 28000Ω.

How many poles does this relay have?

This is a 2-pole relay, specifically DPDT (Double Pole Double Throw).

What is the coil power consumption?

The coil power consumption is 1.2W.

Is this a latching or non-latching relay?

This is a non-latching relay, meaning it requires continuous power to the coil to maintain its switched state.

Troubleshooting

Relay does not energize when coil voltage is applied.

Verify the 230V AC supply is present and correctly connected to the coil terminals. Check that the coil resistance (28000Ω) is within tolerance. Ensure the relay is not mechanically jammed.

Contacts are stuck closed (normally open or normally closed contacts remain energized/de-energized).

Check for signs of contact welding, which can occur if the switching current rating is exceeded. Ensure the load is within the 8A limit. If contacts are welded, the relay needs replacement.

Relay chatters or does not switch reliably.

Ensure the coil voltage is stable and within the operating range. Check for loose connections to the coil or contacts. Avoid operating at the edge of the voltage tolerance.

Overheating of the relay coil.

Confirm the coil voltage is correct (230V AC). Ensure the coil power (1.2W) is not being exceeded due to incorrect voltage. Check for any external short circuits around the coil connections.

Pros and Cons

Pros

  • Reliable switching for electronic circuits.
  • Suitable for moderate power loads up to 8A.
  • Standard 230V AC coil voltage simplifies integration.
  • Compact size for space-sensitive designs.
  • High coil-to-contact isolation for safety.

Cons

  • Requires specific PCB or plug-in mounting.
  • Not suitable for high-frequency switching applications.
  • Coil power consumption (1.2W) should be considered in low-power systems.
  • Non-latching design means it requires continuous coil power to stay switched.

Setup, Compatibility & Care

Setup:

  1. Mounting: This relay is designed for PCB mounting (through-hole) or can be used with compatible plug-in sockets for easier replacement.
  2. Wiring: Connect the control circuit to the coil terminals (typically pins 1 and 2 or A1/A2). Connect the load to the common (changeover) contact terminals (e.g., pins 6 and 8 for one set, pins 3 and 5 for the other set). Ensure the 230V AC coil supply is correctly connected.
  3. Verification: Before applying power, double-check all connections against the relay's internal diagram to prevent short circuits or incorrect operation.

Compatibility:

  • Coil Voltage: Requires a stable 230V AC power source for the coil.
  • Load Type: Suitable for resistive and inductive loads within its 8A/250VAC rating. For highly inductive loads, consider adding a freewheeling diode across the load.
  • Environment: Operates within standard industrial temperature ranges. Avoid environments with excessive moisture, dust, or corrosive elements.

Care:

  • Cleaning: Keep the relay clean and free from dust. If cleaning is necessary, use a dry, non-abrasive cloth. Avoid liquid cleaners.
  • Inspection: Periodically inspect the contacts (if accessible via socket) for signs of wear or arcing. Ensure connections remain secure.

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