Chamberlain ECO300 – (HC280, HC300, WGO300) Replacement Arm

Unfortunately, this product has either been discontinued, or we no longer stock it.

Compatible Replacements

LiftMaster SCS300 Series Motor

LiftMaster SCS300 Replacement Motor Arm (230v)

Out of stock

LiftMaster SCS300 Series Motor

LiftMaster SCS300-24 Replacement Motor Arm (24v)


SKU: ECO300 Category: Tag:

Gate Measurement Video Guide

If you need help determining the A / B measurements of your gate, check out our helpful video guide (right).


ECO300 Gate Arm Motor (HC280, HC300, WGO300,)

Replacement electric gate opener arm for LiftMaster, Chamberlain and MotorLift Models ECO300, HC280, HC300, WGO300

This Chamberlain Gate opener can be used for wing gates with max. wing length of 2.50m.Fits both right and left hand installations, making it convenient to install and the best operator to have in stock at all times. Each model features a reinforced nylon housing with a powder-coated piston made of heavy-duty steel. Each opener can be manually released in case of power failure. The release-lever guarantees added high security even during power failures.


  • Motor 230V/50Hz 220W 1,3A
  • Rated thrust 250N
  • Max gate weight 250kg
  • Motor speed 1400rpm
  • Travel speed 17mm/s
  • Travel 300mm
  • Degree of protection IP44
  • Weight arm 4,7kg
  • Working temperature -20°C to +55°C

Product Specifications

Motor Attributes

Motor Voltage230v
Automation TypeRam
Kit TypeMotor Only