B-Series CBT Bypass Isolation Transfer Switch

The B-Series bypass-isolation transfer switches combine a draw-out automatic transfer switch with isolation mechanism and a manual bypass transfer switch, to provide redundant power transfer and re-transfer capability where reliable power is paramount to the safety and vitality of our communities. These products are specifically designed to provide a convenient and robust means to satisfy the NFPA 70 Article 700 and 708 requirements for redundant transfer equipment.

The B-Series transfer switches are designed for operation and switching of electrical loads between primary and alternate power sources. They can be used in utility-generator set, utility-utility, generator set-generator set, or three- source system (dual standby) application types.

The B-Series transfer switches are suitable for use in emergency, legally required and optional standby applications. The integral automatic transfer switch control monitors both power sources, signals the generator set to start and automatically transfers the load to the alternate power source. When the preferred power source returns and has stabilized, the load is automatically transferred back.

The B-Series integral automatic transfer switches are available in closed transition operations. By briefly paralleling the two sources (for 100 ms or less), the transfer from the alternate source back to the normal source occurs without power interruption to the loads.

Spesifikasjon

Withstand and Closing Ratings (WCR) – The B-Series transfer switches have the highest UL1008 0.05 s (3 cycle) and 0.5s (30-cycle) Time Duration ratings in the industry. The high ratings provide the freedom to use any upstream overcurrent protective device to protect the transfer switch which vastly simplifies the task of power system selective coordination.
PowerCommand® 80 control – A sophisticated, fully featured microprocessor-based control with LED backlit colored LCD display and tactile-feel soft-buttons for easy screen navigation and operation with gloves and in rain.
3 - Position mechanism – The 3-position mechanism allows for independent source actuation (i.e. source transfer is not dependent on the position of the opposing source). The transfer switch is either closed on Source 1, closed on Source 2 or in a center off, neutral position (not closed on either source). Thus, provides safe transfer operation for large stored-energy loads by allowing the residual voltage to decay to a safe level before transfer.
Advanced transfer switch mechanism – Patented Blow-On design allows for high survivability in extreme fault current conditions. Actuator designed for high strengthlocking capability, ensuring electrical contacts remain closed when needed to be closed. Main contacts – Heavy-duty silver alloy contacts usedwith multi-leaf arc chutes are rated for motor loads or totalsystem load transfer.
Ease of service and access – Built-in plug-and-playcontrol with minimized point-to-point connections and compatible terminal markings simplify servicing. Access space is ample. Door-mounted controls are field-programmable; no special tools are required.
Complete power system provider – Cummins is a single source supplier and integrator of complete systems and
services for ease of interconnection and reduced commissioning times.
Warranty and service – Products are backed by a comprehensive warranty and a worldwide network of
distributors with factory-trained service technician.

Tekniske spesifikasjoner

Unik ref.b-series-cbt-bypass-isolation-transfer-switch
ProduktfamilieSwitches
ProduktgruppeAutomatic Transfer Switches
TypeObjekt (enkelt objekt)
Utgivelsesdato2026-08-04
Utgavenummer1

Lenker

Produktets nettadressehttps://www.cummins.com/en-na/generators/transfer-switches
Teknisk beskrivelsehttps://eng2e.seismic.com/i/QkthrmWPLUSSIGNCiBD658___O4ux6BrNhRNEI2IUHkO0gghv9myKga6rbvQzi9E3lWJScVdLAbSO1uIcf5Pd1YTWCyFwc4S0VqdIxl26kAA4___rF2PTwplBxd80IhVmPLUSSIGNa55rVnJDl

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Klassifisering

BIMobject kategoriElektrisk - Svitsjeutstyr
IFC-klassifiseringElektrisk distribusjon
Uniclass 2015 kodePr_60_70_48_05
Uniclass 2015 beskrivelseAutomatic transfer switching equipment (TSE)
CSI MasterFormat 2014 kode26 36 00
CSI MasterFormat 2014 tittelTransfer Switches
OmniClass-nummer23-35 37 11
OmniClass-tittelAutomatic Transfer Switches

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