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About Keystone

... from World War II, Keystone Technologie... ...OEM and distributor customers. Since 194...

Quick Ship Program

...Quick Ship eligible products.   Cli... ...s available.   HID Kits include a Core and... ...sp;    HID CATEGORY LAMP ...

Our History

...m if there were any products that were a... ...ware and electrical stores in Philadelph...

Statement of Warranty

...ety of Underwriters Laboratories, Inc., ... ....   NO IMPLIED STATUTORY WARRANTY O... ...lusive of all other statutory, written o... ...anties of any kind, statutory or otherwi... ...breach of warranty, tort, strict liabili...

Warranty

...we stand behind our products. We strive ... ...ufacture.   HID BALLASTS: • The... ...nsformers 3 Years HIDs 2 Years Magne...

All Products

... “burned in” at the factory to ensure ex... ...     HID Ballast and Accesso... ...ntensity discharge (HID) ballasts are perfec... ... the most demanding HID lighting applica... ...ballast replacement kits.   Si...

Score Big with Keystone HID

...ring a Full Line of HID Products: • Met... ...ssure Sodium • HID Accessories: &... ...re to check out our HID ballasts and acc...

Custom Solutions

...ballast innovation, Keystone Technologie... ...ed on this website, Keystone has the cap... ...igning and building custom products to meet your requir...

NEMA Premium High Efficiency T8 Ballasts

...0. • Total Harmonic Distortion must be ≤... ...ements for Lighting Products • National ...

Aluminum Advantage

...luminum windings on HID ballasts. Keystone’s... ...etal halide ballast kits from 175W throu... ...   All ballast kits feature a quad tap ballast (120/208/240/277V), capacitor, ;moun...