Generator Docking Station Topologies
UL 891 switchboard topologies for temporary power, permanent generators, and load bank testing. Click any configuration below to see the use case and details.
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Click a card to flip it and see the use case. Click "More Details" for renderings and specifications. One-line diagrams and renderings are embedded directly in this page for engineering review.
Basic Temporary Inlet

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Dual Generator Docking Station

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Isolated Dual Docking Station

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Load Bank
Temporary Generator
Permanent Generator
Feeds Building
Similar to the Dual Generator Docking Station, but adds a local isolation breaker on the permanent source feeding this bus, or a utility isolation breaker, so the Automatic Transfer Switch has a defined upstream breaker.
Isolated Dual Docking Station
Isolated Load Bank

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Permanent Load Dump

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Dual Purpose Docking Station

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Paired Distribution Hub

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Interlocked Hub

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Service Entrance Docking Station

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Load Bank
Temporary Generator
Permanent Generator
Feeds Building (Service)
Service entrance version. Adds a utility isolation breaker, SERTK, so this cabinet serves as the service disconnect. Supports permanent generator, temporary generator, and often load bank connections.
Service Entrance Docking Station
Review Required: Configurations shown are representative only. Final configuration, ratings, interlocks, service entrance requirements, bonding, and protection must be reviewed against project specifications, applicable codes, utility requirements, and AHJ requirements.
