Amps x volts watts.
How many amps are garage door openers.
Amp and wattage ratings are measured with the opener running lights on using 100 watt light bulbs.
But it wasn t always this way.
A 120 vac 2hp single phase motor draws almost 20 amps a 240 vac single phase 2hp motor draws about 10 amps.
Here are the details.
Most modern garage door openers draw from 3 to 5 amps depending on what type of lighting your opener has.
It depends on the voltage of the motor and whether it is single phase or 3 phase.
Yes all 125 volt single phase 15 or 20 amp receptacles in a garage must be gfci protected with only one esoteric exclusion that we will cover later.
And the number of openers can cause this number to vary.
The door can be heavy but usually uses counterweights or springs so that the motor isn t lifting a 300 lbs.
Can technically lift any garage door as long as the garage door is balanced properly and the weight is evenly distributed but is not always recommended.
Thus watts volts amps.
Uses 445 watts while opening or closing the door including the 108 watts used to power the light bulbs.
Garage door openers are found in three different sizes which are determined by horsepower.
A garage door opener has a radio receiver garage lights and a motor to lift the garage door.
Gcl t j h fire door operator 60hz.
Uses less than a watt while standing by waiting for the signal to open.
All residential garage door openers gdos manufactured for use in the united states and canada are rated for 120v ac 60hz line power.
If your opener has a 200 watt lighting system for example the lights alone will draw just under 2 amps.
Up until the 2008 edition of the nec national electrical code there were two exceptions allowed for the gfci requirement at garage receptacles.