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Rectangular grey control box with front panel labels and cable glands

FRANKLIN

FRANKLIN 2821138110 Control Box 5HP 230V 1Phase

SKU CH-0QXK-EYRK6 MPN 2821138110

A 5 HP, 230 V single-phase pump control panel with magnetic line contactor for drainage systems

  • TypeDrain Components
  • Controls a 5 HP single-phase submersible pump at 230 V
  • Magnetic line contactor handles motor starting current reliably
  • Designed for drain and trap plumbing installations
  • New Franklin Electric unit, model 2821138110
  • California Proposition 65 warning: contains listed chemicals

Purpose and fit

The Franklin 2821138110 control box manages a 5 HP, 230 V single-phase pump motor for drainage applications. It is intended for installers or maintenance teams who need a replacement panel with an integrated magnetic line contactor.

Upgrade context

This unit replaces a failed or outdated control panel on an existing 5 HP single-phase pump system. The jump is worthwhile when the original enclosure is damaged, the contactor has welded contacts, or the panel lacks the integrated magnetic line contactor this model provides.

Pre-install checks

Verify the pump motor is rated for 5 HP at 230 V single-phase and that the supply wiring matches those specifications. Confirm the mounting location accommodates the panel dimensions and that local codes permit installation of equipment carrying the California Proposition 65 chemical warnings listed for this product.

Highlights

  • Controls a 5 HP single-phase submersible pump at 230 V
  • Magnetic line contactor handles motor starting current reliably
  • Designed for drain and trap plumbing installations
  • New Franklin Electric unit, model 2821138110
  • California Proposition 65 warning: contains listed chemicals

Specifications

TypeDrain Components
BrandFranklin
Model2821138110

Questions about this item

What mounting hardware or enclosure does the 5 HP, 230 V control box require for installation?

The unit is a pump control panel that includes a magnetic line contactor and is designed to be mounted inside a suitable weatherproof enclosure with appropriate conduit entries for the supply and motor cables.

How is the Franklin 2821138110 control box wired, and which connection step is most often missed?

Connect the incoming 230 V single-phase supply to the contactor line terminals, then run the motor leads to the load terminals; the step most often missed is landing the ground conductor on the enclosure’s grounding lug before energising the panel.

Which internal component of the 558871 control box will need replacement after extended service?

The magnetic line contactor is the primary wear item; its contacts can erode over many start cycles and should be inspected periodically and replaced if pitting or overheating is evident.

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