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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
OTOC 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) |
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| 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) |
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| Double Busbar with Transfer Bus and Tie-Breaker |
| Typical Functions |
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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 |
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87B
87B
86
50/51 |
Bus Differential
Check Zone
Lockout auxiliary
TOC and IOC (Phase, ground, neutral) |
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