Legrand DC Power Supply - 48V

This Legrand DC power supply unit has dimensions of 40x113x125mm. It supports a secondary voltage ...

Best current price£387.04from RS Components Ltd- UK

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RS Components Ltd- UKLegrand Switching Power Supply, 146623, 24V dc, 5A, 120W, 100 → 240V ac Input Voltage
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eBayStabilized Power Supply 1 Phase 240V/24V 5A DC Power 146623
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Product Information

Full details

This Legrand 146623 power supply unit is designed for professionals requiring stable DC power, offering a key benefit of adjustable output voltage for versatile applications. A potential caveat is its specialized nature, making it best suited for experienced users or specific industrial setups. It provides reliable 120W power, supporting a 24V to 48V secondary voltage range and featuring high efficiency, low harmonic pollution, and temporary overcurrent capability.

All features

Model Part Number146623
BrandLegrand

Extended Product Information

FAQs

What is the nominal output voltage range?

The output voltage can be adjusted within a nominal range of 24V to 28V DC.

What is the maximum power output?

The unit has a nominal power output of 120W.

Can this unit handle temporary power surges from connected devices?

Yes, it can supply temporary overcurrents up to 150% of its nominal rating for 3 seconds.

What is the input voltage and frequency requirement?

It requires an AC input voltage of 100-240V at a frequency of 50 Hz.

What are the physical dimensions of the unit?

The unit measures approximately 40mm in width, 113mm in depth, and 125mm in height. Specific mounting dimensions may vary slightly based on included hardware.

Does this power supply require a separate PFC filter?

No, the unit has an integrated PFC filter from 120W onwards, which helps reduce harmonic pollution.

What is the warranty period for this product?

Please refer to the specific warranty documentation provided by Legrand or your point of purchase for details on the warranty period.

Troubleshooting

Unit not powering on

Verify AC input voltage is within the 100-240V range and 50 Hz frequency. Check all AC input connections for proper seating and continuity.

Output voltage unstable or incorrect

Confirm AC input is stable. Check and adjust the output voltage setting within the 24V-28V range. Ensure the load does not exceed the 120W or 5A rating.

Overheating

Ensure adequate ventilation around the unit. Check for blocked air vents on the aluminium casing. Reduce the connected load if it is consistently near the maximum rating.

Unit shuts down under load

The load may be exceeding the nominal 120W or 5A rating. Verify the load requirements. If temporary overcurrent is being triggered repeatedly, the load demand might be too high for normal operation.

Pros and Cons

Pros

  • High energy efficiency reduces operating costs.
  • Adjustable output voltage offers flexibility.
  • Low harmonic distortion protects sensitive electronics.
  • Robust aluminium casing ensures durability.
  • Handles temporary overcurrents effectively.

Cons

  • Output voltage adjustment range is limited (24-28V).
  • Requires an understanding of DC power systems for optimal use.
  • May be over-specified for simple, low-power applications.
  • Specific dimensions might require dedicated mounting space.
  • AC input frequency is limited to 50 Hz.

Setup, Compatibility & Care

Setup: Connect the 100-240V AC (50 Hz) input terminals to your power source. Ensure the primary voltage is within the specified range. Use the output terminals to connect your DC load, ensuring the polarity is correct. The output voltage can be adjusted using the designated setting mechanism, typically a potentiometer, within the 24V to 28V range. Always consult the product manual for precise connection diagrams and safety guidelines.

Compatibility: This unit is designed for AC input (100-240V, 50 Hz) and provides a stabilized DC output. It is compatible with a wide range of industrial and automation equipment requiring 24V to 28V DC with a current draw up to 5A (nominal). It is crucial to verify that your connected devices are within the power supply's specified voltage and current limits.

Care: Keep the unit clean and free from dust. Ensure adequate ventilation around the aluminium casing to prevent overheating. Avoid exposing the unit to moisture or corrosive environments. Regularly inspect connections for security and signs of wear. No user-serviceable parts are inside; refer servicing to qualified personnel.

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