Mars 10857 Azure ECM Variable Speed Blower Motor 1/2-1 HP 120/240V

The Mars 10857 is the newest generation of Azure ECM blower motor featuring integrated Bluetooth control for use with the Azure ECM smartphone app. This multi-horsepower motor operates at 1/2 to 1 HP and runs on dual voltage 115/230V, making it a versatile replacement solution for residential and commercial HVAC applications.

Key Features:

• 5-speed operation plus 625 RPM constant fan mode
• Bluetooth control available through the free Azure ECM app on both Apple and Google stores
• Direct connection to OEM harnesses with no additional module or adapter required
• High efficiency rating of 85%
• Reversible rotation (forward and reverse)
• Redundant thermal protection and electronic control circuits

Technical Specifications:

• NEMA 48 frame size with belly band mounting
• 1/2 inch diameter x 4.94 inch shaft length
• Ball bearing construction
• 1075 RPM variable speed range
• FLA rating: 11.5A at 120V / 7.0A at 240V
• 50/60 Hz frequency, cUL Listed
• Operating temperature range: -4°F to 131°F
• Class B insulation

Universal Replacement Capability:

• Replaces 16-pin OEM variable speed ECM motors (PWM, 2.0, 2.3, 2.5 EON, Evergreen VS, Rescue EZ16)
• Replaces many 4-pin OEM variable speed ECM 3.0 motors
• Replaces constant torque motors including X13, Endura Pro, SelecTech, Evergreen EM, and Rescue EZ13

The Azure ECM app allows optimization of airflow even when ductwork is not optimal, providing installers with advanced control and diagnostic capabilities. This direct-drive ECM motor combines energy efficiency with ease of installation, making it an ideal choice for HVAC system replacements and upgrades.