contactors
Electrical load controllers
Contactors are electrically controlled switches used to handle high-power circuits, typically in industrial applications.
They function like relays but are designed for heavier loads—controlling motors, lighting systems, and large heating equipment.
A contactor closes or opens a circuit when energized by a control signal: The HVAC system's contactor failed, leaving the building without air conditioning.
Electrical circuit control center
- starterInitiator of action
- PLCIndustrial automation computer
- disconnectTo break a connection
- breakerWave that collapses shoreward
interlock · VFD · switchgear
Wound circular arrangement
- electromagnetWire-wound magnetic device
- armatureRotating electromagnetic coil
- plungerSuction device for clogs
- poleCylindrical shaft or extremity
Electrical potential difference
- currentDirected flow of charge
- horsepowerRate of mechanical work
- thermalPertaining to warmth
- overloadBurden beyond capacity
Supply with vitality
- de-energizeRemove electrical current from
- latchingSecuring with a catch
- switchingChanging from one to another
- pickupSmall open-bed truck
dropout · chatter · bounce · closing · opening · inrush · pull-in · release
Art of illuminating spaces
- HVACIndoor climate management
- elevatorVertical conveyance between floors
- craneLifter or wader
- pumpFluid-moving machine
compressor · conveyor · welding · heating · refrigeration · three-phase · reversing
panelboard
Electrical circuit control center
- starterInitiator of action
- PLCIndustrial automation computer
- disconnectTo break a connection
breaker · interlock · VFD · switchgear
coil
Wound circular arrangement
- electromagnetWire-wound magnetic device
- armatureRotating electromagnetic coil
- plungerSuction device for clogs
pole · auxiliary · enclosure · frame · spring · terminal · shunt
voltage
Electrical potential difference
- currentDirected flow of charge
- horsepowerRate of mechanical work
- thermalPertaining to warmth
energize
Supply with vitality
- de-energizeRemove electrical current from
- latchingSecuring with a catch
- switchingChanging from one to another
pickup · dropout · chatter · bounce · closing · opening · inrush · pull-in · release · actuation
lighting
Art of illuminating spaces
pump · compressor · conveyor · welding · heating · refrigeration · three-phase · reversing
magnetic
Attracting iron or attention