Keystone
Keystone Technologies is one of the most prominent lighting manufacturers in the world. They produce a wide variety of ballasts, LED Drivers, LED Bulbs and more. Keystone strives for environmentally friendly and cost efficient lighting fixtures.  > More Information
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SS22WSTP Keystone Circline Ballast - 20W/FC6T9 22W/FC8T9
Keystone
MSRP: $25.00Now: $19.95Was: $25.00KEYSTONE ElectroMagnetic Circline Ballast, 120V, Single 20W FC6T9 or 22W FC8T9 Lamp with Socket Connector Attached Keystone Circline 20W/22W T9 Ballast Performance and Safety UL/935 (Class P, Type 1 outdoor) listed Sound Rated Class A Parallel...KT-SS22WSTPMSRP: $25.00Now: $19.95Was: $25.00 -
MH-175A-D-FCAN Keystone 175W F-can Metal Halide Ballast
Keystone
MSRP: $139.00$110.95Keystone 175W M57 H39 Metal Halide Fcan Ballast Key Features Dual 120/277 Input Voltage Min. Starting Temp. -30 Degrees C High Power Factor Small size and lightweight Metallic enclosure Cross References Advance 72C5581-NP-001 GE...KT-MH-175A-D-FCANMSRP: $139.00$110.95 -
KTAT-250-480-277 /A Keystone Step-Down AutoTransformer - 250VA-480V/277V or 180VA-347V/200V
Keystone
MSRP: $95.00$59.95Keystone Step-down Auto-transformer 480/347V to 277V/200V, Max Power Load 250VA/180VA, use with Ballasts or LED drivers, Leads with Feet Mount Keystone 480/347V to 277/200V Step-down Auto-Transformer Lighting Step-down transformers and...BSF-KT-KTAT-250-480-277-AMSRP: $95.00$59.95 -
KTEB-226-UV-PS-DW Keystone Compact Fluorescent Ballast - Program Rapid Start
Keystone
MSRP: $36.00Now: $21.95Was: $36.00KEYSTONE Electronic Fluorescent CFL Ballast, 120V-277V Input, One or Two 26W 4pin CFLs and others, Program Rapid Start Ballast Keystone 26W CFL Ballast One or Two 26W CFLs with Dual Wire Case (bottom and side exit) Performance and Safety UL/935...KT-KTEB-226-UV-PS-DWMSRP: $36.00Now: $21.95Was: $36.00 -
Keystone CAP-320MH Metal Halide Capacitor
Keystone
MSRP: $19.00$14.95Keystone Dry Film Capacitor HID Metal Halide (MH) 320 Watt, 21uF, 345V Keystone Dry Film Capacitor Metal Halide (MH) 320 WattCAP-320MHMSRP: $19.00$14.95 -
Keystone MPS-400A-Q-KIT Metal Halide Ballast Kit - 400W M135/M155 Quad
Keystone
MSRP: $149.00$118.95Keystone MPS-400A-Q-KIT metal halide ballast and capacitor kit for 400 watt M135 and M155 bulbs, 120/208/240/277 volts quad tap input, CWA circuit type. Keystone 400 Watt Metal Halide Kit ANSI: M135 or M155 Form Factor: Core and Coil...MPS-400A-Q-KITMSRP: $149.00$118.95 -
KTEB-432-UV-IS-H-P Keystone T8 Instant Start Ballast - High Ballast Factor
Keystone
MSRP: $33.00$24.95KEYSTONE KTEB-432-UV-IS-H-P Electronic Fluorescent Ballast, High (1.18) Ballast Factor, Universal 120-277V Input, Operates F432T8 (32W), F432T8 (30W) F432T8 (28W) Lamps, Instant Start Keystone Fluorescent T8 Instant Start Ballast Performance and...BSF-KT-KTEB-432-UV-IS-H-PMSRP: $33.00$24.95 -
KTAT-70-480-277 Keystone Step-Down AutoTransformer Bottom Studs - 70VA 480V/347V to 277V
Keystone
MSRP: $80.00$56.95Keystone Step-down Auto-transformer 480/347V to 277V. Max Power Load 70VA, use with Ballasts or LED drivers, Side Exit Leads Keystone 480/347V to 277V Step-down Auto-Transformer Lighting Step-down transformers and auto-transformers are used when you...BSF-KT-KTAT-70-480-277MSRP: $80.00$56.95 -
KT-EMRG-500 Keystone Lighting Ballast - 500 Lumen
Keystone
MSRP: $57.00$45.95KEYSTONE Electronic Emergency Ballast, up to 500 Lumens, 120V/277V, 1 Lamp, most (2' -4') T8, T10, T12 fluorescent + 13W-36W CFLs (4-pin). Test switch and indicator light included. KT-EMRG-500 Specs Keystone 500 Lumen Emergency Light...BSF-KT-EMRG-500MSRP: $57.00$45.95 -
KTLD-14-1-350-FDIM-AF1 Keystone LED Driver - 14W 350mA Dimmable
Keystone
MSRP: $57.00$45.95Keystone Constant Current Driver, 14W Power, 120V input, 350mA and 10-40Vdc output, IP20 dry and damp locations Keystone 14W Constant Current 350mA Driver Features Meets FCC 47 CFR Part 15 (Class B) Consumer Limits Short Circuit Overload and Open...KT-KTLD-14-1-350-FDIM-AF1MSRP: $57.00$45.95 -
KTLD-14-1-600-FDIM-AF1 Keystone LED Driver - 14W 600mA Dimmable
Keystone
MSRP: $60.00Now: $47.95Was: $60.00Keystone Constant Current Driver, 14W Power, 120V input, 600mA and 10-40Vdc output, IP20 dry and damp locations Keystone 14W Constant Current 600mA LED Driver Features Meets FCC 47 CFR Part 15 (Class B) Consumer Limits Short Circuit Overload and...KT-KTLD-14-1-600-FDIM-AF1MSRP: $60.00Now: $47.95Was: $60.00 -
KTLD-22-1-350-FDIM-AK1 Keystone LED Driver - 22W 350mA Dimmable
Keystone
MSRP: $60.00$47.95Keystone Constant Current LED Driver, 22W Max Output Ppower, 120Vac Input, Fixed 350mA Output Current, 21-63Vdc Output, Leading/Trailing Edge Dimmable KTLD-22-1-350-FDIM-AK1 Specs Keystone 22W Constant Current 350mA Dimmable...KTLD-22-1-350-FDIM-AK1MSRP: $60.00$47.95