Power Transfer Switching Unit

Features

Specifications

• Overall Depth:
  13.250 inches
• Overall Width:
  11.000 inches
• Current Type:
  Ac and dc
• Frequency Rating:
  60.0 hertz
• End Application:
  Virginia class sub ssn774
• Mounting Configuration:
  4) 0.34 diameter holes & (4) 0.41 diameter holes and mtg holes on 1inch wide mgt strape; bulkhead mounting
• Current Rating In Amps:
  50.0
• Inclosure Feature:
  Dripproof
• Manual Operation Facility:
  Provided
• Voltage In Volts:
  450.0
• Phase:
  Three
• Supplementary Features:
  Item is automatic bus transfer switch; abt-4a1s-50d
• Federal Supply Class (fsc):
  Electrical control equipment
• National Stock Number (nsn):
  6110-01-526-7739
• Special Features:
  Millisecond control circuit delays on transfer to emergency