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Phoenix Contact REL-MR Auxiliary Relay - 2961215

Phoenix Contact REL-MR Auxiliary Relay - 2961215

Phoenix Contact non-latching relays, REL-MR series. Phoenix Contact's REL-MR series of non-latchin...

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Tameson UKPhoenix Contact Gold Rel-Mr Auxiliary Relay - 2961215
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eBayPHOENIX CONTACT 2961105, REL-MR- 24DC/21, Single relay
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Product Information

Full details

The Phoenix Contact REL-MR series non-latching relays are designed for industrial environments, acting as reliable electromechanical switches. Ideal for applications requiring robust switching capabilities, their primary benefit is the combination of compact size with high continuous current handling. A potential consideration is the specific coil voltage and switching current ratings, which vary across the series and must match your application's requirements.

All features

SeriesREL-MR
Model Part Number2961215
BrandPhoenix Contact

Extended Product Information

FAQs

What is the maximum switching current for the 2961215 model?

The 2961215 model has a maximum switching current of 8A.

What is the coil voltage for the 2961215 model?

The coil voltage for the 2961215 model is 24V DC.

Can this relay be used for high-voltage applications?

No, this relay is designed for low-voltage applications with a maximum switching voltage of 30V AC and 36V DC.

What does 'non-latching' mean?

Non-latching means the relay requires continuous power to its coil to maintain its switched state. When power is removed, it returns to its default state.

How many change-over contacts does this relay have?

This specific model (2961215) features 2 change-over (CO) contacts.

What are the physical dimensions of the relay?

The dimensions are approximately 12.7mm (length) x 15.7mm (depth) x 29mm (height).

What is the purpose of hard gold plating?

Hard gold plating on the contacts improves conductivity and ensures reliable switching, especially in environments with potential for oxidation or contamination, extending the relay's lifespan.

Troubleshooting

Relay does not switch when coil is energized

Verify the coil voltage is correct (24V DC for model 2961215) and applied correctly to A1/A2 terminals. Check for continuity across the coil resistance (1.44 kΩ). Ensure the load current does not exceed the 8A rating.

Contacts appear welded or stuck

This may indicate the current rating was exceeded. The relay may need to be replaced. Avoid over-current situations in future applications.

Intermittent operation or poor contact reliability

Ensure clean connections. Check for contamination on contacts if accessible. Verify operating temperature is within range. The hard gold plating offers good reliability, but extreme conditions can still affect performance.

Pros and Cons

Pros

  • Compact and space-saving design.
  • Robust construction suitable for industrial use.
  • Flexible coil voltage options (AC/DC).
  • High switching current capability for its size.
  • Reliable performance due to hard gold plating.

Cons

  • Maximum switching voltage is relatively low (30V AC / 36V DC), limiting use in high-voltage applications.
  • Requires specific matching for coil voltage and current requirements.
  • Non-latching type means power must be continuously supplied to the coil to maintain state.
  • Terminal type is through-hole, not suitable for all mounting preferences without PCB adaptation.

Setup, Compatibility & Care

Setup: Ensure the relay is correctly seated in its socket (if applicable) or properly soldered to a PCB via its through-hole terminals. Verify that the coil voltage supplied matches the relay's specification (24V DC for model 2961215). Connect the control circuit to the coil terminals (A1/A2) and the load circuits to the appropriate contact terminals (e.g., 11, 12, 14 for one change-over pair).

Compatibility: This relay is designed for use with low-voltage DC control circuits. The maximum switching voltage of 30V AC / 36V DC means it is not suitable for mains voltage switching. Always confirm that the load's current and voltage do not exceed the relay's maximum ratings (8A, 2 kVA AC / 190W DC).

Care: Keep the relay clean and free from dust and moisture, especially in industrial environments. Avoid exposing it to extreme temperatures outside its operating range of -40 to 85 °C. Regular inspection of connections for corrosion or looseness is recommended.

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