Eaton DILA Auxiliary Relay - 4 NO

This auxiliary relay from Eaton Moeller's DILA series features four auxiliary contacts as make con...

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eBayEaton DILA-40 XTRE10B40F Contactor Relay 4NO 230V 50Hz 240V 60Hz Brand New
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Tameson UKEaton Industries Dila Auxiliary Relay - 276364
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Product Information

Full details

This Eaton DILA series auxiliary relay is designed for electrical control systems requiring reliable signaling. It is ideal for electricians and control panel builders needing to expand contact configurations in existing circuits. A key benefit is its four normally open (NO) contacts, providing multiple switching possibilities. However, it lacks normally closed (NC) contacts, limiting its use in certain interlocking or safety circuits that require both types.

All features

SeriesDILA
Model Part Number276329
BrandEaton

Extended Product Information

FAQs

What is the difference between normally open (NO) and normally closed (NC) contacts?

Normally open (NO) contacts are open when the relay coil is de-energized and close when the coil is energized. Normally closed (NC) contacts are closed when the relay coil is de-energized and open when the coil is energized. This specific model only has NO contacts.

Can this relay be used with DC control voltage?

No, this Eaton DILA auxiliary relay is designed for AC control voltage (230V at 50Hz or 240V at 60Hz) only. It is not compatible with DC control circuits.

What is the maximum current this relay can switch?

The rated operating current (Ie) for this auxiliary relay is 4A.

How are the auxiliary contacts wired?

The auxiliary circuit connections are made using screw terminals, providing a secure connection for your wiring.

What mounting options are available for this relay?

The relay can be mounted on a standard 35mm DIN-rail or attached directly to a panel using screws.

Does this relay have any safety certifications?

Specific safety certifications should be verified on the product packaging or the official Eaton datasheet for the MPN 276329. Consult official Eaton documentation for definitive information.

Can I add more auxiliary contacts to this relay?

This model comes with four NO auxiliary contacts. Additional contacts are typically added by using different relay models or separate contact blocks designed for expansion, if compatible with the base relay.

Troubleshooting

Relay does not energize when control voltage is applied.

Verify that the control voltage is correctly applied to the coil terminals and that the voltage matches the specified 230V/240V AC. Check for loose wiring connections at the coil terminals.

Auxiliary contacts do not switch when the relay is energized.

Ensure the relay coil is properly energized. Check the wiring to the auxiliary contact terminals to confirm they are correctly integrated into the switched circuit. Verify the rated current of the load does not exceed the 4A limit.

Intermittent operation or poor contact performance.

Inspect the auxiliary contact terminals for corrosion or damage. Ensure proper torque is applied to screw terminals. Check for excessive vibration or environmental factors that might affect performance.

Pros and Cons

Pros

  • Provides ample normally open contacts for expanded circuit control.
  • Reliable switching performance expected from Eaton products.
  • Easy to install on standard DIN-rails or via screw mounting.
  • Clear screw terminal connections for straightforward wiring.

Cons

  • Lacks normally closed contacts, making it unsuitable for applications requiring both NO and NC functionality in a single unit.
  • Rated for AC control voltage only; not compatible with DC control circuits.
  • Specific current rating (4A) may limit its use with higher power auxiliary loads.

Setup, Compatibility & Care

Setup: This relay is designed for easy mounting. It can be attached to a standard 35mm DIN-rail or secured directly to a panel using appropriate screws. Connect the control circuit wiring to the designated terminals according to the wiring diagram provided with the product or standard electrical practices. Ensure all connections are tight and secure.

Compatibility: The Eaton DILA auxiliary relay is part of the Eaton DILA series and is designed to work with other compatible Eaton control components. It operates with AC control voltages of 230V (50Hz) and 240V (60Hz). Ensure your control voltage source matches these specifications. It is not compatible with DC control voltage.

Care: To maintain optimal performance, keep the relay clean and free from dust and debris. Periodically inspect wiring connections for tightness and signs of wear. Ensure proper ventilation around the relay to prevent overheating, especially in enclosed control panels.

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