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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KTSB-E-0832-24-1-S Keystone SmartWire Electronic Sign Ballast
Keystone
$108.95Keystone KTSB-E-0832-24-1-S Sign Ballast, features Smart Wiring Technology so wires exactly the same as traditional magnetic ballasts, powers T12HO 8 ft to 32 ft total bulb length or T8HO 8 ft to 24 ft total bulb length DISCONTINUED BY MANUFACTURER, NOW...KT-KTSB-E-1232-24-UV-S Repl$108.95 -
KTSB-E-0848-46-UV Keystone Electronic Sign Ballast
Keystone
$158.95KEYSTONE Electronic Sign Ballast (4, 5 or 6) T12HO, T8HO Lamps with combined length of 8-48 feet, Instant Start Sign Ballast Keystone Electronic Sign Ballast Sound Rated: A Minimum Starting Temperature: -20F -29C Maximum Case Temperature: 194F,...KT-KTSB-E-0848-46-UV$158.95 -
KT-LED52T8-120P2S-865-D Keystone Double-Sided LED Bypass Sign Tube - 120"
Keystone
MSRP: $186.00Now: $154.95Was: $186.00Keystone KT-LED52T8-120P2S-865-D LED Sign Tube, Ballast-Bypass (no external driver), Double Sided (360°), 120" long, 52W - 123 lm/W, 6500K, 6400 Lumen, R17d socket, replacement for conventional T12HO and T8HO sign tubes. DISCONTINUED...KT-LED52T8-120P2S-865-DMSRP: $186.00Now: $154.95Was: $186.00 -
KTEB-218-UV-RS-DW Keystone Compact Fluorescent Ballast
Keystone
MSRP: $39.00Now: $31.95Was: $39.00KEYSTONE Compact Electronic Fluorescent Ballast, 18W, 120-277V, Operates CFQ18W/G24q, CFTR18W/GX24q, CFQ26W/G24q, CFTR26W/GX24q, CFS21W/GR10q, CFS28W/GR10q, Programmed Rapid Start Keystone 18W CFL Electronic Programmed Rapid Start Ballast Performance...KTEB-218-UV-RS-DWMSRP: $39.00Now: $31.95Was: $39.00 -
KT-LED31T8-72P2S-865-D Keystone Double-Sided LED Bypass Sign Tube - 72"
Keystone
Click Here to Submit Quote Keystone KT-LED31T8-72P2S-865-D LED Sign Tube, Ballast-Bypass (no external driver), Double Sided (360°), 72" long, 31W - 129 lm/W, 6500K, 4000 Lumen, R17d socket, replacement for conventional T12HO and T8HO sign...KT-LED31T8-72P2S-865-DQty in Cart: 0Quantity:Price:Subtotal: -
KT-LED54HID-EX39-8X0-D Keystone 54W Direct Drive HID LED - 250W Equivalent
Keystone
MSRP: $89.00$73.95Keystone 54W LED Corn Cob Lamp, 250W HID Equivalent, 3000K/4000K/5000K Options, IP64 Rated, 120-277V, 6400 Lumens, EX39 Mogul Base, Smart Port Sensor Enabled Smart Port Accessory Sensor Options (not required): Passive Infrared Occupancy, MicroWave...KT-LED54HID-EX39-8X0-DMSRP: $89.00$73.95 -
KT-LED21T8-48P2S-865-D Keystone Double-Sided LED Bypass Sign Tube - 48"
Keystone
MSRP: $65.00Now: $53.95Was: $65.00Keystone KT-LED21T8-48P2S-865-D LED Sign Tube, Ballast-Bypass (no external driver), Double Sided (360°), 48" long, 21W - 123 lm/W, 6500K, 2600 Lumen, R17d socket, replacement for conventional T12HO and T8HO sign tubes. DISCONTINUED BY...KT-LED21T8-48P2S-865-DMSRP: $65.00Now: $53.95Was: $65.00 -
KTEB-454HO-UV-PS Keystone Electronic Fluorescent Ballast - F54T5HO FT55W/2G11
Keystone
MSRP: $70.00Now: $55.95Was: $70.00Keystone Electronic Fluorescent Ballast, Universal 120-277V Input, Operates 1-4 F54T5HO FT55W/2G11 FT50W/2G11 FT36W/2G11 Lamps, Program Start Ballast Keystone Fluorescent F54T5HO Program Start Ballast Performance and Safety 2014 DOE...KTEB-454HO-UV-PSMSRP: $70.00Now: $55.95Was: $70.00 -
Keystone MPS-400A-P-KIT Metal Halide Pulse Start Ballast Kit
Keystone
MSRP: $174.00Now: $144.95Was: $174.00Keystone MPS-400A-P-KIT pulse start metal halide ballast and capacitor kit for 400W M135 and M155 bulbs, 120/208/240/277/480V 5-tap input, CWA circuit type. Keystone 400 Watt PS Metal Halide Kit ANSI: M135 or M155 Form Factor: Core and Coil...MPS-400A-P-KITMSRP: $174.00Now: $144.95Was: $174.00 -
KTAT-250-480-277 /A Keystone Step-Down AutoTransformer - 480V/277V (250VA) or 347V/200V (180VA)
Keystone
MSRP: $64.00Now: $52.95Was: $64.00Keystone 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 Step-down transformers and auto-transformers are...KT-SOW-21MSRP: $64.00Now: $52.95Was: $64.00 -
Keystone KT-LED15T8-48GC-830-D DirectDrive T8 LED Lamp
Keystone
MSRP: $11.00Now: $8.95Was: $11.00The KT-LED15T8-48GC-830-D replaces conventional fluorescent lamps and requires no external ballast or driver. KT-LED15T8-48GC-830-D DirectDrive LED T8 Replacement LED Bulb Replacement for conventional fluorescent lamps No need for external ballast...KT-LED15T8-48GC-830-DMSRP: $11.00Now: $8.95Was: $11.00 -
KTLD-60-UV-12V Keystone Constant Voltage LED Driver - 60W 12Vdc
Keystone
MSRP: $56.00Now: $45.95Was: $56.00Keystone KTLD-60-UV-12V Constant Voltage LED Power Supply, 60W Max Power Output, Universal 120-277V AC Input, Fixed 12VDC Output, 5 Amp Max Output, Non-dimming Keystone 60W 12VDC Constant Voltage LED Driver Constant voltage drivers are required when...KT-KTLD-60-UV-12VMSRP: $56.00Now: $45.95Was: $56.00