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Compact black AC adapter brick with cable

NShi

NShi AC Adapter for LG 20MK400A 20MK400H IPS Monitor

SKU CH-1AWZ-DZZQW

Replacement AC adapter with over-voltage, over-current and short-circuit protection for LG 20MK400A and 20MK400H IPS monitors

  • Compatible with LG 20MK400A and 20MK400H monitors
  • Built-in over-voltage protection safeguards your display
  • Over-current protection prevents damage from power surges
  • circuit protection cuts power instantly during faults
  • Supports international voltages for worldwide use

Compatible LG IPS Monitors

This AC adapter is built for the LG 20MK400A and 20MK400H IPS monitor series, including the 20MK400A-B and 20MK400H-B variants. It serves as a direct replacement power supply for these specific display models.

Verify Monitor Model Before Ordering

Confirm the exact model number printed on the back of your LG monitor matches 20MK400A or 20MK400H before purchasing. The adapter supports international voltages, but physical connector fit and polarity must align with your specific unit.

Integrates As Direct Power Replacement

The adapter plugs into the monitor's DC input and a standard mains outlet, delivering regulated power with over-voltage, over-current and short-circuit output protection. It restores operation without requiring internal monitor modifications or additional cables.

Highlights

  • Compatible with LG 20MK400A and 20MK400H monitors
  • Built-in over-voltage protection safeguards your display
  • Over-current protection prevents damage from power surges
  • circuit protection cuts power instantly during faults
  • Supports international voltages for worldwide use

Specifications

No published specifications for this item yet.

Questions about this item

Does the adapter arrive with the power cord and any mounting hardware?

The unit is a direct replacement AC adapter for the LG 20MK400A and 20MK400H IPS monitors and includes built-in OVP, OCP and SCP protection circuits.

Which adapter version matches the 20MK400A-B and 20MK400H-B models?

This single adapter is listed as compatible with the 20MK400A, 20MK400A-B, 20MK400H and 20MK400H-B, so one version covers all four model codes.

What does the international-voltage support mean when the monitor is plugged in at a desk?

The adapter accepts a wide AC input range, letting the LG 20MK400A or 20MK400H operate on mains supplies worldwide without a separate voltage converter.

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