Keystone Lighting
Keystone KTAT 480V to 277V Step Down Auto Transformer, 250W
Keystone
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$44.66
$44.66
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$44.66
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$44.66
In stock
Keystone’s 480V to 277V Step-Down Auto-Transformers are designed to step down 480V to 277V single-phase power. These transformersenable consumers t...
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$0.00
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$0.00
Original price
$44.66
$44.66
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$44.66
Current price
$44.66
Keystone KTAT 480V to 277V Step Down Auto Transformer, Max Wattage 150W, Open Core
Keystone
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$46.83
$46.83
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$46.83
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$46.83
In stock
Features Input Voltage: 480/347V Output Voltage: 277V Max Power: 150W Max. Input Current: 0.33A @480V with 100% load condition / 0.051A @480V...
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$46.83
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$46.83
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$46.83
Keystone KTAT 480V to 277V, Step Down Auto Transformer, Max Wattage 70W
Keystone
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$70.28
$70.28
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$70.28
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$70.28
In stock
Keystone’s 480V to 277V Step-Down Auto-Transformers are designed to step down 480V to 277V single-phase power. These transformers enable consumers ...
View full details
Original price
$0.00
-
Original price
$0.00
Original price
$70.28
$70.28
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$70.28
Current price
$70.28
Keystone KTAT 480V to 277V, Step Down Auto Transformer, Max Wattage 375W
Keystone
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$79.80
$79.80
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$79.80
Current price
$79.80
In stock
Keystone’s 480V to 277V Step-Down Auto-Transformers are designed to step down 480V to 277V single-phase power. These transformers enable consumers ...
View full details
Original price
$0.00
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Original price
$0.00
Original price
$79.80
$79.80
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$79.80
Current price
$79.80
Keystone KTAT 480V to 277V Step Down Auto Transformer, Single Flex Conduit , Max Wattage 250W
Keystone
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$117.18
$117.18
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$117.18
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$117.18
In stock
Features Input Voltage: 480V Output Voltage: 277V Max Power: 250W Number of Output: 1 Single Flex Conduit No Load Power Consumption: < 7W...
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$117.18
$117.18
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$117.18
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$117.18
Keystone KTAT 480V to 277V Step Down Auto Transformer, Single Flex Conduit , Max Wattage 375W
Keystone
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$142.66
$142.66
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$142.66
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$142.66
In stock
Features Input Voltage: 480Vac ±10% / 347Vac ±10% Output Voltage: 277V Max Power: 375W Number of Output: 1 Single Flex Conduit No Load Power...
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$142.66
$142.66
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$142.66
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$142.66
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Explore Keystone Lighting – Performance, Innovation, and Reliability
Discover Keystone Lighting’s full line of high-performance LED solutions designed for commercial, industrial, and residential applications. From LED drivers and retrofit kits to tubes, panels, and area lights, Keystone delivers reliable performance and long-term energy savings with cutting-edge SmartDrive® and DirectDrive® technologies.
Features:
- Wide selection of LED tubes, panels, troffers, area lights, and drivers
- SmartDrive® and DirectDrive® technology for plug-and-play or ballast-bypass options
- Title 24, DLC, UL, and Energy Star certifications for code compliance
- Advanced controls compatibility including 0-10V dimming and Bluetooth® solutions
- Long-lasting products with warranty-backed durability
Why Choose Keystone:
Keystone Technologies is trusted by contractors, distributors, and facility managers for delivering “Light Made Easy®.” Their focus on quality, innovation, and customer-centric design makes them a go-to brand for efficient and maintenance-friendly lighting upgrades.
Popular Applications
- Office, retail, warehouse, parking lots, and schools
- LED retrofits for fluorescent and HID lighting
- New construction or remodel projects