Keystone KTAT-375-480-277 /A Step Down Transformer

Keystone Technologies

SKU:
KTAT-375-480-277/A
Typically ships in 2-3 business days* View full description
$50.50
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Description

480Vac Input | Step-Down Auto-Transformer | 50/60 Hz

Power Up Your 277V Lighting: Effortless Upgrade with Keystone 375VA Transformer (480V to 277V)

Unleash the potential of your 480V system by effortlessly converting it to 277V with the Keystone KTAT-375-480-277. This versatile 375VA transformer empowers you to utilize energy-efficient 277V lighting, unlocking wider fixture options and significant cost savings. Enjoy a simple installation, quiet operation, and peace of mind with a 5-year warranty.

Key Features:

  • Boost Efficiency: Switch to 277V LED lighting and cut energy consumption.
  • Unlock Modern Lighting: Power a wider range of 277V fixtures for design flexibility and enhanced aesthetics.
  • Effortless Installation: Single unit design and flex conduit wiring simplify setup.
  • Quiet Operation: Sound Rated A for minimal noise disruption.
  • Safety First: UL/cUL listed and thermally protected for peace of mind.
  • Durable Performance: Built with quality materials for lasting reliability, backed by a 5-year warranty.
  • Universal Compatibility: Works with T5, T8, CFL, and Electronic HID ballasts.
  • High-Temperature Resistance: Class A insulation handles demanding environments.

Benefits:

  • Reduce energy consumption and operational costs.
  • Enjoy brighter, more modern lighting with advanced LED technology.
  • Simplify installation with the user-friendly design.
  • Operate with confidence thanks to safety certifications and thermal protection.
  • Experience long-lasting performance and peace of mind.

Additional Information:

  • Input Voltage: 480VAC ±10%, 347VAC ±10% (50/60 Hz)
  • Output Voltage: 277VAC ±5%, 200VAC ±5% (347V input)
  • Dimensions: (consult manufacturer's datasheet)
  • Weight: (consult manufacturer's datasheet)
  • Warranty: 5 years

Keystone KTAT-375-480-277 /A Step Down Transformer Specifications:

General:

  • Model Number: KTAT-375-480-277 /A
  • Type: Non-isolated autotransformer
  • Function: Step-down voltage from 480V or 347V to 277V (or 200V at 347V input)
  • Power Rating: 375VA at 480V, 270VA at 347V
  • Input Voltage: 480VAC ±10%, 347VAC ±10% (50/60 Hz)
  • Output Voltage: 277VAC ±5%, 200VAC ±5% (347V input)
  • Efficiency: 93% typical
  • Regulation: ±3% at full load
  • Enclosure: Single-piece enclosed design with flex conduit
  • Location Rating: IP20 (dry and damp locations)
  • Sound Rating: A
  • Thermal Protection: Yes
  • Safety Certifications: UL/cUL Listed (consult manufacturer for specific certifications)
  • Maximum Case Temperature: 105°C / 221°F
  • Warranty: 5 years

Dimensions:

  • Length: 5.7 inches (14.5 cm)
  • Width: 5.0 inches (12.7 cm)
  • Height: 3.7 inches (9.4 cm)

Weight:

  • 6.6 lbs (3.0 kg)

Additional Features:

  • Universal compatibility with T5, T8, CFL, and Electronic HID ballasts operating at 277V input voltage.
  • Class A insulation for high-temperature resistance.
  • Easy installation with single unit design and flex conduit wiring.
  • Quiet operation with Sound Rating A.
  • Thermally protected for safe operation.
  • Backed by a 5-year manufacturer's warranty.

Downloads

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Disclaimers

*This product is built to order typically ships in 2 to 3 business days. Larger quantities may take longer than stated lead-time.  All lead-times are estimates and you will be notified by email if it will take longer than 5 business days to ship. Keystone has multiple warehouse's around the country to help serve you better.
 

Non-Returnable Item Notice:

Due to the sensitive electronic nature of ballasts and the risk of improper installation, tampering, or programming, this item is non-returnable. Please confirm compatibility before purchasing. If your LED driver is defective upon arrival or during the warranty period, it may be eligible for a manufacturer warranty replacement. For assistance selecting the correct ballast, please contact our support team.

Extra Information

Brand:
Keystone Technologies
UPC:
890949013816
Catalog No:
KTAT-375-480-277 /A
Ballast Type:
Step Down Transformer
Input Voltage:
480V
Output Voltage:
277V
Input Frequency:
50/60 Hz
Height (in.):
1.20
Width (in.):
1.63
Length (in.):
11.70
Warranty:
5 Year
Price Shown:
Per Transformer
  • 5
    3398 (78.6%)
  • 4
    707 (16.4%)
  • 3
    178 (4.1%)
  • 2
    20 (0.5%)
  • 1
    21 (0.5%)
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03-18-25

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03-06-25

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