Liftmaster garage door Model 8355W 1/2 HP Belt Drive Opener ( Rail Included )

Standard Specifications

Dimensions
- Installed Length: 128 .
- Maximum Door Opening: 7 6 .
- Headroom Clearance Required: 2 .
- Up to 10 with optional 8 or 10 rails.

Cartons
Number of Cartons: 2.
Carton 1: Dimensions and Contents:
- 20 x 12 x 10 .
- 882LM Multi-Function Control Panel.
- 893LM 3-Button Remote Control.
- Garage Door Opener Head.
- The Protector System® Safety Reversing Sensors.
Carton 2: Dimensions and Contents:
- 10 4 x 5 x 5 .
- Assembled Solid-Steel T-Rail (Belt).

Security+ 2.0 Radio Controls
- Coding System: Smart Receiver Code Button and Indicator Light.
- 893LM 3-Button Remote Control.
- Operating Range: 200 (approximately).
- Operating Temperature: -40°F to 150°F.

Frequency:
- Remote Control: 310, 315 & 390 MHz Tri-Band.
- Receiver: Frequency Agile on 310, 315 & 390 MHz.
- Security+ 2.0 Anti-Burglary Coding.

MyQ® Radio
- 902-928 MHz.
- 50 Channel FHSS (Frequency Hopping Spread Spectrum).
- Provides two-way communication from garage door opener and MyQ enabled accessories.
- Enables remote closing of garage door with key MyQ accessories.
- Enables monitoring and control of garage door openers and lighting controls via internet-enabled computer or smartphone.
- Requires LiftMaster® Internet Gateway Accessory Model 828LM.

Security+ 2.0 Encrypted Controls
- 882LM Multi-Function Control Panel.
- Program Remote Controls.
- Maintenance Alert System.

Convenience / Safety
- The Protector System Safety Reversing Sensors
- Alert-2-Close Unattended Close Operation w/ Select - Accessories.
- Emergency/Quick Release
- Automatic Trolley Reconnect
- Down Safety Reverse
- Up Safety Stop
- Door Open/Beam Obstructed/Lights On
- Maintenance Alert System
- PosiLock® secure lock system
- Timer-to-close feature requires purchase of 880LM or 881LM control panel and is for sectional doors only, not one piece doors).

Electrical Specifications

Power
- Voltage: 120V AC, 60Hz.
- Wattage: 540 Total System.
- Current Rating: 4.5A.
- UL Listings: Yes.
- Length of Line Cord: 4 (3-prong).

Energy Efficiency
- Approximately 1 Watt Power in Standby Mode.
- Enhanced CFL (Compact Fluorescent) Compatible.
- Standby Mode at down limit, work lights off.

Logic Type
- Solid State Microcontroller with Built-in Surge Suppressor.

Lighting
- Number of Bulbs: 2.
- Maximum Wattage: 100 x 2.
- Adjustable Time, Solid-State Delay.
- Enhanced CFL (Compact Fluorescent) Compatible, Max 26 Watts.

MECHANICAL SPECIFICATIONS

Motor
- Horsepower: 1/2.
- RPM: 1,625.
- Thermal Protection: Automatic.
- Lubrication: Permanent.

Drive Mechanism
- Drive Means: Full Reinforced Drive Belt.
- Reduction Means: Gear 16:1.
- Door Linkage: Adjustable Door Arm.

Adjustments
- Force: Electronic/Internal Auto Force.
- Limit: Internal Electronic.

Travel Rate
- Approximately 7.0 per second.

Shipping Weights
- Head: 24 lbs.
- Rail: 17 lbs.

Materials
- Chassis and Chassis Cover: Steel.
- Rail: Solid-Steel T.
- Trolley: Steel.

Warranty
- Lifetime Motor Warranty.
- Lifetime Belt Warranty.
- 1 Year Parts Warranty.

HOMELINK® Compatible (version 4.0 or higher) w/QuickTrain Technology