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Silver metal rectangular power supply unit with input voltage selector switch and yellow voltage adjustment knob

KEHIPI

KEHIPI 5V 40A 200W Switching Power Adapter

SKU CH-3CNY-3JKC9

Converts AC 110V or 220V to adjustable DC 5V at up to 40A with three output channels and full protection suite

  • Product colorSilver
  • Dual AC 110V/220V input suits global mains voltages
  • Three independent output channels power multiple devices from one unit
  • Adjustable 5V output ±15% fine-tunes voltage for sensitive loads
  • Full protection suite guards against over-voltage, over-current, overload, over-temperature and short circuits
  • Rated 40A 200W total with 80% continuous-use guideline for reliable operation

Indoor 5 V 40 A switching supply

This KEHIPI unit converts AC 110 V or 220 V mains to a regulated DC 5 V output rated at 40 A and 200 W. It is intended for indoor installations such as LED strip lighting, CCTV camera arrays, or similar low-voltage projects. Three independent output channels share the same total current limit. Professional wiring by a qualified electrician is strongly recommended.

Adjustable voltage with 80 % load guideline

Output voltage can be trimmed by ±15 % using the onboard yellow potentiometer, allowing fine-tuning for voltage drop across long cable runs. The supplier advises keeping continuous draw at or below 80 % of the rated capacity, which corresponds to 32 A and 160 W, to avoid shortening the unit’s lifespan. Built-in protections cover over-voltage, over-current, overload, over-temperature and short-circuit conditions.

Terminal-block wiring and input selector

A recessed black switch selects between 110 V and 220 V AC input; it must be set correctly before power is applied. Connections use screw terminals labelled L, N, +V, -V and +V ADJ — no mains cord, on/off switch or mounting screws are supplied. The enclosure carries high voltage internally, so the cover should remain closed and dust cleared every few months. If protection trips, disconnect AC power and wait about ten minutes for automatic reset.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $42.99
Pricier than about 75% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Brand nameHenxlco
Model name066
Part number066
Product colorSilver

Questions about this item

What does the 200W rating mean when the supply is powering a real LED strip or camera system?

The 200W figure is the absolute maximum across all three output channels combined; continuous loads should stay at or below 160W (80% of full load) to avoid shortening the unit's lifespan.

How does the selectable 110V/220V input affect what I can plug it into?

A black switch on the unit selects between 110V and 220V AC mains; set it to 110V for North American outlets or 220V for many other regions before connecting power.

What mounting or wiring provisions does the enclosure have?

The supply has screw terminals labelled L, N for AC input and +V, -V, +V ADJ for DC output; no mounting screws, on/off switch or wiring cables are included.

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