Impulse changeover switch - Eltako - ESR61NP

For recessed and surface mounting. 1 closure. not potential-free 16A / 250 V. Switching voltage: 2...

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Rapid Online - Rapid Electronics Ltd.Eltako 21110002 ES12-110 Impulse Switch 230V AC/DC 16A DIN Rail Mount
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eBayEltako Impulse Switch ES12-200-UC 21200002 ES12-200-8...230
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Product Information

Full details

The Eltako ESR61NP is an electronic latching relay designed for electrical control applications, particularly for recessed and surface mounting. It offers a single, non-potential-free contact capable of switching 16A at 250V, making it suitable for controlling lighting and other electrical loads. Its key benefit lies in its energy efficiency, featuring no standby power consumption and zero-voltage switching. However, users should note that its control voltage is not potential-free, requiring careful wiring.

All features

SeriesESR61NP
Model Part Number61100001
BrandEltako

Extended Product Information

FAQs

What is the maximum load this relay can handle?

The ESR61NP can switch a maximum of 16A at 250V. This translates to approximately 2000W for incandescent lamps and 1000VA for fluorescent lamps.

Can this relay be used with low voltage control signals?

Yes, the ESR61NP can be controlled by signals ranging from 8V DC to 230V AC/DC, offering flexibility in control source selection.

What does 'release delay' mean?

Release delay refers to the time the relay stays energized after the control signal is removed. The ESR61NP allows you to set this delay for up to 120 minutes.

Does this relay have a potential-free contact?

No, the ESR61NP's contact is not potential-free. This means the switching circuit shares a common reference with the supply voltage, and wiring must account for this.

What is 'zero-voltage switching'?

Zero-voltage switching ensures that the relay contacts close or open when the AC voltage waveform crosses zero. This minimizes electrical noise and extends the life of the contacts.

Can I disable the delay function?

Yes, the delay time can be deactivated, allowing the relay to function as a standard surge current switch (without glow lamp current).

What is the warranty period for this product?

Please refer to the product documentation or the retailer for specific warranty information, as it can vary.

Troubleshooting

Relay does not switch on when control signal is applied.

Verify the supply voltage is present (230V AC/DC). Check the control input wiring and ensure the control signal is within the 8-230V range. Confirm the relay is not in a deactivated state.

Relay does not switch off after the delay.

Check the time setting adjustment. Ensure the delay function is not deactivated. Verify that the control signal is no longer present after the intended ON period.

Relay switches intermittently or appears unstable.

Ensure all connections are secure. Check for any interference on the control lines. Verify the supply voltage is stable and within the specified range.

Relay fails to switch off even when control signal is removed.

Confirm the release delay function is correctly set. If the relay is stuck, try cycling the power. If the issue persists, the relay may need replacement.

Pros and Cons

Pros

  • Energy efficient with no standby power consumption.
  • Low switching noise due to zero-voltage switching.
  • Versatile control voltage options (230V AC / 8-230V DC).
  • Adjustable release delay up to 120 minutes.
  • Suitable for high load currents (16A).

Cons

  • Control voltage is not potential-free, requiring careful wiring.
  • Limited to one switching contact (normally open).
  • Installation requires basic electrical knowledge.

Setup, Compatibility & Care

Setup: The ESR61NP is designed for installation in electrical switch boxes, either for flush mounting (plaster) or surface mounting. Ensure the power supply is disconnected before commencing any installation work.

  1. Wiring: Connect the supply voltage (230V AC/DC) and control voltage inputs according to the wiring diagram. Pay close attention to the non-potential-free nature of the control voltage.
  2. Load Connection: Connect the load to the switching contact (normally open).
  3. Time Setting: Adjust the release delay using the integrated potentiometer, setting it from 0 to 120 minutes.
  4. Function Selection: If required, configure the unit for surge current switch operation or standard switching relay function.

Compatibility: This relay is compatible with standard 230V AC mains power. It can be controlled by push-buttons or other switches providing a 230V AC or 8-230V DC signal. Ensure the connected load does not exceed the specified ratings (16A / 250V).

Care: The ESR61NP requires minimal maintenance. Keep the device clean and free from dust. Ensure adequate ventilation around the unit. No user-serviceable parts are inside; consult a qualified electrician for any repairs.

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