Keystone KTAT-250-480-277 /A Step Down Auto-Transformer

  • Buy 12 for $35.95 each and save 16%
  • Premier# STEPDOWN
  • Keystone KTAT-250-480-277 /A

Keystone Step Down Auto-Transformer

Keystone’s 480V to 277V Step-Down Auto-Transformers are designed to step down 480V to 277V single-phase power. These transformers enable users to utilize common universal voltage (120-277V) electronic ballasts in applications where the main facility power is 480V.


Brochures & Cut Sheets

Keystone Step Down Auto Transformer Keystone Step Down Transformer Spec Sheet

More Information
Manufacturer Keystone
Volts 480VAC
Maximum Load 250VA (if 480V) 180VA (if 347V)
Input Current at No Load 0.16A (if 480V) 0.11A (if 347V)
Input Current Max 0.57A
Max. Current 0.90A
Warranty 5 Year
Manufacturer Order # KTAT-250-480-347 /A
Manufacturer Part # KTAT-250-480-347 /A
Premier Part # STEPDOWN
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Keystone KTAT-250-480-277 /A Step Down Auto-Transformer

$42.95