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Plug-in relay - Finder - 55

Plug-in relay - Finder - 55

Test button · Mechanical switch position indicator. Finder 55 Series High Power Relays General Pur...

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Relay Socket PCB 94.14SMA 4PCO Metal Clip Through Hole 14 Pins 10 A 250V FINDER

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Product Information

Full details

This guide is for engineers, technicians, and hobbyists working with control systems requiring reliable switching. The Finder 55 Series Plug-in Relay (MPN: 55.34.9.006.0040) offers versatile circuit control with its 4 CO (Changeover) contacts and a 6VDC coil. A key benefit is its plug-in design for easy replacement and maintenance. One caveat to note is the specific coil voltage requirement, necessitating careful power supply selection.

All features

Series55
Model Part Number55.34.9.006.0040
BrandFinder

Extended Product Information

FAQs

What is the coil voltage for the Finder 55.34.9.006.0040?

The coil voltage for this specific model is 6VDC.

How many independent circuits can this relay control?

This relay has 4 Changeover (CO) contacts, allowing it to control up to four independent circuits.

Do I need a separate socket for this relay?

Yes, this is a plug-in relay and requires a compatible Finder relay socket (e.g., 94.24SMA) for installation and connection.

How can I test the relay without applying power to the main circuit?

The relay features a built-in test button that allows you to manually operate the contacts for testing purposes.

What does the mechanical switch position indicator show?

The indicator provides a visual cue showing whether the relay is currently energized (switched) or de-energized (unswitched).

What is the maximum load this relay can switch?

Refer to the official Finder datasheet for the exact contact ratings, as it varies depending on the AC or DC voltage and current being switched.

Can I use this relay with a 12VDC power supply?

No, this specific model (55.34.9.006.0040) is designed exclusively for a 6VDC coil. Using a different voltage will likely damage the relay.

Troubleshooting

Relay does not energize when control voltage is applied.

Verify that the control voltage is exactly 6VDC. Check the wiring to the coil terminals (pins 1 & 2). Ensure the relay is fully seated in its socket. Test the relay socket's continuity.

Contacts do not switch states.

Confirm the relay coil is energized (check indicator and apply 6VDC directly if possible). Ensure the load wiring is correct. Check for mechanical obstruction of the contacts. If the test button also fails to switch, the relay may be faulty.

Intermittent operation or poor contact.

Check for loose wiring connections at the socket. Ensure the relay is properly seated. Clean socket contacts if corroded. The relay may be at the end of its operational life and require replacement.

Relay hums but does not fully engage.

This could indicate insufficient coil voltage or a partially failed coil. Re-verify the 6VDC supply under load. Ensure no shorts in the control circuit.

Pros and Cons

Pros

  • Easy installation and replacement due to plug-in design.
  • Visual status indication via mechanical switch.
  • Manual testing capability with integrated test button.
  • Versatile control with 4 CO contacts.
  • Reliable performance for general-purpose switching.

Cons

  • Requires a specific 6VDC coil voltage, limiting compatibility with other voltage systems.
  • Plug-in design may be less secure than panel-mount screw terminals in high-vibration environments without a retaining clip.
  • Relay sockets are sold separately, adding to the overall system cost.
  • Limited to 4 poles (4 CO), may not be suitable for applications requiring more complex switching arrangements.

Setup, Compatibility & Care

Setup:

  1. Select an appropriate Finder relay socket (e.g., 94.24SMA) compatible with the 55 Series relay.
  2. Mount the relay socket securely in the desired location, typically on a DIN rail or panel.
  3. Wire the control circuit to the coil terminals (typically pins 1 & 2 for 6VDC) and the load circuits to the common, normally open (NO), and normally closed (NC) terminals of the 4 CO contacts as per the socket's and relay's terminal markings.
  4. Carefully push the Finder 55.34.9.006.0040 relay into the socket until it is firmly seated.
  5. Apply the 6VDC control voltage to the coil terminals to energize the relay.

Compatibility:

  • Coil Voltage: This specific relay model requires a 6VDC power supply for its coil. Ensure your control system provides a stable 6VDC. The MPN 55.34.9.006.0040 indicates a 6VDC coil.
  • Contact Ratings: Verify that the load current and voltage do not exceed the relay's contact ratings (consult the datasheet for specific limits on AC/DC voltage and current).
  • Sockets: Use only Finder relay sockets designed for the 55 Series plug-in relays.

Care:

  • Environment: Operate the relay within the specified temperature and humidity ranges to ensure longevity.
  • Cleaning: If necessary, clean the relay and socket exterior with a dry or slightly damp cloth. Avoid solvents or immersing the components in liquid.
  • Vibration: For applications with significant vibration, consider using a retaining clip for the relay socket to ensure a secure connection.

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