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Keystone Technologies Ballasts & Drivers

Results: 102
1 2 3 4

Results: 102
1 2 3 4

Keystone Technologies

Ballasts
  • Fluorescent
  • Compact Fluorescent
  • HID
Emergency Ballasts
  • Compact Fluorescent
  • Linear
Lamps
  • Compact Fluorescent
  •  Linear Fluorescent
Sign Solutions
  • Sign Ballasts
  •  LED Drivers
  •  HID Ballasts
LED Solutions
  • LED Drivers
  • LED Modules
  • LED Systems
  • Constant Current
  • Constant Voltage
Transformers
  • High Voltage Step Down Transformers
  • Low Voltage Halogen Transformers
Sensors
  • Occupancy
  • Photocells
 
Light Made Right. Keystone has designed, engineered, and manufactured reliable ballasts and advanced lighting products for more than six decades. We have grown significantly from our simple beginnings following WWII by delivering innovative solutions that stand the test of time. Our quality manufacturing processes produce the very highest levels of reliability and we stand solidly behind every product that we ship. When you need a partner with the capability to turn around a new design quickly, or a supplier who reliably stocks the parts you need, trust Keystone. We’re as solid as the rock that inspired our name.

Ballasts & Drivers

An electrical ballast or driver is a device intended to limit the amount of current in an electric circuit.
 
A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.
 
Emergency Lighting is now selling programable LED drivers that will allow your LED lighting to be dimmable. When your driver goes out let us know the milliamps of the driver and we can program the LED to the exact milliamps.