Rockwell Automation SA500 DC Bus Supply User Manual
Page 30
A-2
SA500 DC Bus Supply
Internal Braking Resistor Instantaneous Overload Power Dissipation
•
50A units: 19,500W
•
100A units: 39,000W
DC Bus Braking Fuse
•
DC Bus Supply (50A) with Internal Braking Resistor: Littelfuse KLK D8, Fast
Acting, 600V, 8A or Bussman KLM-8
•
DC Bus Supply (50A) with External Braking Resistor: Littelfuse KLK D8, Fast
Acting, 600V, 8A or Bussman KLM-8
•
DC Bus Supply (100A) with Internal Braking Resistor: Littelfuse KLK D20, Fast
Acting, 600V, 20A or Bussman KLM-20
•
DC Bus Supply (100A) with External Braking Resistor: Littelfuse KLK D30, Fast
Acting, 600V, 30A or Bussman KLM-30
Maximum Power Losses
1
•
50A units: 110W + intermittent watts from braking circuit
•
100A units: 240W + intermittent watts from braking circuit
1. Typical power losses are one-half of these values
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