MillerEdge MT21 Sensing Edge with Customizable Options

Miller Edge MT21 Sensing Edge – 2” x 1” Safety Edge for Industrial and Commercial Doors

The Miller Edge MT21 Sensing Edge is a high-performance safety solution designed to detect obstructions and trigger immediate stop or reverse functions in automated doors. Ideal for rolling steel doors, fire doors, and material handling systems, the MT21 delivers dependable safety and operational control in demanding industrial environments.

Featuring a 2-inch wide by 1-inch high profile, this edge is engineered for use on surfaces 2 inches thick or greater. It installs securely between double-L angle bottom bars and flexes easily to conform to floor irregularities, ensuring consistent performance and optimal contact across varying surfaces.

Key Features

• Compact & Functional Size:
  2” W x 1” H profile designed for applications with surface thicknesses of 2 inches or more.

• Durable Construction:
  Vinyl-jacketed sensing edge built for durability in rugged environments.

• Flexible Design:
  Conforms to uneven floors for reliable operation and consistent contact.

• Custom Configuration Options:

  • Available in Monitored and Non-Monitored models

  • Customize by length, outlet location, and color

  • Extended color range available, including yellow XR5 chemical-resistant jacket

• Versatile Installation:
  Top tab allows secure mounting between double-L bottom bar angles.

• Sealed Housing:
  Dust- and debris-resistant sealed assembly supports longevity and stable performance.

• Complete Seal with End Flaps:
  Comes with 5–6 inch end flaps for enhanced sealing. Trim to size as needed.

• Electric Option with Alumaglas™ Technology:
  For electric models, patented Alumaglas™ delivers advanced signal response and superior performance.

• UL 325 Recognized Component:
  Meets industry safety standards for commercial door safety systems.

• Warranty:
  Covered by a 1-year manufacturer warranty.

• Made in the USA:
  Designed and manufactured in the United States to ensure quality and compliance.

Available Models

• MT21: 2” x 1” (standard model)

• MT22: 2” x 2”

• MT33: 3” x 3”

Each model offers tailored performance for specific door types and operational demands.

Common Applications

• Rolling steel doors

• Rolling fire doors

• Conveyor and material handling systems

• Automated industrial doors requiring UL 325 compliance