Miller Sensing Edge MU33

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Product Price: $297.32
The Miller Sensing Edge MU33 is a robust and reliable safety product designed to enhance the performance of commercial sectional doors, aircraft hangar doors, and material handling systems. With its immediate signal transmission upon light touch, the MU33 ensures prompt action to stop or reverse door operation for enhanced safety.

Crafted with durability in mind, the sensing edge is encased in a tough vinyl jacket that can withstand varying conditions. The flexibility of the MU33 allows it to adapt to floor irregularities effortlessly, providing a seamless seal along the leading edge of sectional doors. Available in a 3” width by 3” height standard model, this sensing edge is optimized for surfaces ranging from 2 to 3 inches thick.

One of the standout features of the MU33 is its customizability. Users can specify their preferences for color, length, and outlet location, tailoring the product to their unique requirements. Additionally, the MU33 can be mounted vertically or horizontally, offering versatility in installation options.

With a design that prioritizes performance and longevity, the MU33 features Alumaglas™ technology for superior electric performance. It is UL 325 Recognized and covered by a 1-year warranty, assuring customers of its quality and reliability. Made in the USA, this sensing edge is a top choice for those seeking a dependable safety solution.

For those seeking monitored sensing edge options, different designators are available to suit various operator specifications, ensuring compatibility with a range of systems. The MU33 Specifications and Ordering Guide are readily accessible for detailed information and guidance. Trust the Miller Sensing Edge MU33 for top-notch safety and precision in door operations.

The MU sensing edge product line consists of three standard models: MU21  (2”W x 1”H), MU22 (2”W x 2”H), and MU33 (3”W x 3”H). When touched lightly, the sensing edge will send an immediate signal to operator controls to stop and/ or reverse door operation. The MU edge switch is covered in durable vinyl jacket, and its flexibility allows it to conform to floor irregularities. The top tabs wrap around the leading edge of a sectional door. 

APPLICATIONS Commercial sectional doors · Aircraft hangar doors · Material handling systems

FEATURES · Optimum size for 2-3 inch thick surfaces · Custom manufactured to user specifications  for color, length, and outlet location · Mounts vertically or horizontally · Three standard models: MU21 (2”W x 1”H),  MU22 (2”W x 2”H), MU33 (3”W x 3”H) · 5-6 inch end flaps create a complete seal and can be trimmed for custom fit · Extended color options including yellow chemical resistant XR5 jacket · Flexible and will conform to floor irregularities · Sealed assembly impervious to dust and debris · Patented Alumaglas™ for superior performance (electric option) · UL 325 Recognized  Component · 1-year warranty · Made in USA






Monitored Devices Guidelines  For UL325 Listed Operators Built After August 29th, 2010 that have a Monitored Circuit
For older units Prior and other applications in most cases a Non Monitored edge is used

Please confirm with manufacture before ordering as edges are all edges are custom made and Not returnable


Monitored Sensing Edge Designator

T1  is a 8.2K Ohm Resistor Green Color Code    Typically used for European Operators


T2 is a 10K Ohm Resistor Blue Color Code Typically used by the Following Manufactures

Cornell / US Gear,  Liftmaster / Chamberlain,  Linear,  Manaras,  Micanan / Napoleon Lynx,

Raynor,  VE Power Door,  Cookson,, Lawrence


T3  Diode Capacitor  Red Color Code  Used for Overhead Door Corporation units


T4  Capacitor  White Color Code for Linear (Transmitter)


T5  6.8K Ohm Resistor  Orange Color Code   Custom Applications

T6  270K Ohm Resistor Violet Color Code Liftmaster CPS Board 


Complete Ordering Guide for Monitored Openers (Click Here)