LiftMaster E-Box N4 N4X 115/230V Single Phase L5 - K74-37902-3R-MC

This LiftMaster E-Box is designed for N4 and N4X operators with single-phase 115/230V input and Logic 5.0 controls. Ideal for maintaining performance in rugged commercial applications.
Part Number: K74-37902-3R-MC
$3,835.98 each
$3,835.98 each
OR
 

Details

LiftMaster E-Box N4 N4X 115/230V Single Phase L5 - K74-37902-3R-MC

The K74-37902-3R-MC is a replacement E-Box engineered for LiftMaster N4 and N4X heavy-duty trolley operators using 115/230V single-phase power. Pre-wired for Logic 5.0 systems, this box is built to support robust operator functions and reduce installation time in commercial or industrial door systems.

Specifications

  • Operator Type: N4, N4X
  • Voltage: 115/230V
  • Phase: Single Phase
  • Logic: Logic 5.0
  • Part Number: K74-37902-3R-MC

Key Features

  • Designed for N4 and N4X heavy-duty operators
  • Supports single-phase Logic 5.0 setups
  • Rugged for high-demand environments

Includes

  • E-Box Assembly
  • Factory-installed Logic 5.0 components
  • Mounting and wiring hardware
Prefer to Call? (888) 378-1618

Questions about part number K74-37902-3R-MC?

Required Fields *

Name *

Email *

Phone

My Questions *

SKU K74-37902-3R-MC