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Finder 4C Interface Relay - 230VAC

Finder 4C Interface Relay - 230VAC

Interface relay for DIN-rail 35 mm (EN 60715). This relay has a coil voltage of 230V AC, AgSnO2 SP...

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Product Information

Full details

The Finder 4C Interface Relay is designed for industrial automation and control systems, offering reliable switching for 230V AC circuits. It's ideal for electricians and automation engineers needing a compact, DIN-rail mountable relay. While robust, its single change-over contact limits its application in systems requiring multiple independent switching functions.

All features

Series4C
Model Part Number4C.01.8.230.4060
BrandFinder

Extended Product Information

FAQs

What is the purpose of an interface relay like the Finder 4C?

An interface relay acts as a bridge between a low-power control signal (like from a PLC) and a higher-power load. It provides electrical isolation and allows a control system to switch circuits that require more current or voltage than the control output can handle directly.

What does 'SPCO' mean for the contacts?

SPCO stands for Single Pole Change-Over. This means the relay has one set of contacts that can switch between a normally closed position and a normally open position.

Can this relay be used with DC voltage?

No, this specific model (4C.01.8.230.4060) is designed for 230V AC coil voltage. Finder offers other models within the 4C series that are specifically designed for DC control voltages.

How do I determine the correct terminals for wiring?

The coil terminals are typically labeled A1 and A2 for the control voltage. The output contacts are usually numbered, with one terminal being common (e.g., 1), another being normally closed (e.g., 3), and the third being normally open (e.g., 2).

What is the maximum switching capacity?

This relay has a nominal current of 16A and is suitable for switching loads up to this rating at 230V AC.

Where should this relay be installed?

It is designed for mounting on a 35mm DIN-rail within control cabinets or panels. Due to its IP20 rating, it should be installed in an environment protected from direct contact, dust, and moisture.

What is the difference between this model and others in the 4C series?

The 4C series offers variations in coil voltage (AC/DC), contact configuration (SPCO, DPDT), and features like LEDs. This specific model uses 230V AC and has a single change-over contact.

Troubleshooting

Relay does not energize when control voltage is applied

Verify the control voltage is indeed 230V AC and is correctly connected to the coil terminals (A1/A2). Check for loose connections or a blown fuse in the control circuit.

Relay is energized but contacts do not switch the load

Ensure the load wiring is correctly connected to the appropriate output terminals (1, 2, 3). Check the load itself for faults. Verify the contact rating (16A) is not exceeded.

Intermittent operation or contact chatter

Ensure the control voltage is stable and within the specified range. Check for excessive vibration or temperature fluctuations in the operating environment. Clean terminal connections.

Relay fails after a short period

Check if the load current exceeds the 16A rating. Ensure proper ventilation around the relay to prevent overheating. The relay may have reached the end of its operational life.

Pros and Cons

Pros

  • Compact width saves space in electrical enclosures.
  • Standard 230V AC coil voltage is widely available.
  • 16A contact rating supports moderate to high current loads.
  • Easy DIN-rail mounting simplifies installation.
  • Durable AgSnO2 contact material ensures longevity.

Cons

  • Single change-over contact limits complex switching logic.
  • IP20 protection requires placement in protected environments.
  • Requires a separate power source for the coil.
  • Not suitable for DC control circuits without modification or a different model.

Setup, Compatibility & Care

Setup:

  1. Mounting: Securely attach the relay to a standard 35mm DIN-rail.
  2. Wiring: Connect the control voltage (230V AC) to the coil terminals (typically A1 and A2). Ensure correct polarity if applicable, though this model is AC.
  3. Load Wiring: Connect your load (e.g., motor, lights) to the output contacts. For this SPCO relay, connect the 'common' terminal (e.g., 1) to one side of your load, the 'normally open' terminal (e.g., 2) to the power source, and the 'normally closed' terminal (e.g., 3) to the other side of your load.
  4. Verify: Double-check all connections before applying power.

Compatibility:

  • Control Voltage: This specific model requires a 230V AC control supply. Ensure your control signal matches this voltage and type.
  • Load Voltage: The contacts are rated for up to 230V AC switching. Do not exceed this voltage.
  • Environmental: Designed for indoor use in clean environments (IP20). Avoid dusty, humid, or corrosive atmospheres.

Care:

  • Cleaning: Disconnect all power before cleaning. Wipe the exterior with a dry or slightly damp cloth. Avoid using solvents.
  • Inspection: Periodically inspect wiring connections for tightness and signs of wear. Ensure the DIN-rail mount remains secure.

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