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Digital Energy Bus Bus Protection |
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Select a typical application to view the associated one line diagram, functions,
and product order codes. |
Single Bus Bar, 8 Feeders or less, 1 Zone |
Typical Functions |
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87B
86
50/51 |
Bus Differential
Lockout auxiliary
TOC and IOC (Phase, ground, neutral) |
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Double Busbar, 24, Feeders or less, Multiple Zones |
Typical Functions |
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87B
87B
86
50/51
50BF |
Bus Differential
Check Zone
Lockout auxiliary
TOC and IOC (Phase, ground, neutral)
Breaker Failure
End Zone Fault |
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Breaker-and-Half Busbar, 24 Feeders or less, Multiple Zones |
Typical Functions |
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87B
87B
86
50/51 |
Bus Differential
Check Zone
Lockout auxiliary
TOC and IOC (Phase, ground, neutral) |
 |
Two Section Busbar with a Bus Tie, 24 Feeders, Multiple Zones |
Typical Functions |
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87B
87B
86
50/51 |
Bus Differential
Check Zone
Lockout auxiliary
TOC and IOC (Phase, ground, neutral) |
 |
Double Busbar with Transfer Bus and Tie-Breaker |
Typical Functions |
|
87B
87B
86
50/51 |
Bus Differential
Check Zone
Lockout auxiliary
TOC and IOC (Phase, ground, neutral) |
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Triple Busbar |
Typical Functions |
|
87B
87B
86
50/51 |
Bus Differential
Check Zone
Lockout auxiliary
TOC and IOC (Phase, ground, neutral) |
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