Availability & Uptime

Specialty Transfer Switches and Switchboards

Protect Critical Loads with Multi-Source Automatic Transfer Switches

Specialty transfer switches are low voltage automatic transfer switches while switchboards contain two or more automatic transfer switches in a common line-up. They secure uptime of vital systems in cases of power failure.

Upon the loss of the utility power source, the transfer systems provide automatic start signal to the alternate source of power. Once the alternate source has reached proper voltage and frequency, the systems transfer the critical load from the utility source to the alternate power source. When normal power is restored the controls will retransfer the load to the utility and signal shutdown of the alternate power source after allowing a cool down period.

These systems switch loads efficiently without interrupting operations with utility source and alternate source of power. Some transfer switches allow a second alternate power source added to back up the first if that power source fails.

Vertiv presents multi-source transfer switch systems, switchboards and customized power control solutions for your specific requirements. 

View Vertiv’s Power Transfer Switch portfolio.

ASCO ATS Switchboards image

ASCO ATS Switchboards

The ASCO Automatic Transfer Switchboard contains two ASCO 2000 ampere automatic transfer bypass-isolation switches, with circuit breakers on the normal and load side of each switch. An ammeter and voltmeter are also located on the load...

ASCO Service Entrance Rated Switchboard image

ASCO Service Entrance Rated Switchboard

The ASCO Service Entrance Rated transfer systems are designed for automatic switching of loads between the utility source and an alternate source of power.

ASCO Two-Source Automatic Transfer System image

ASCO Two-Source Automatic Transfer System

Switch loads efficiently for uninterrupted operations with ASCO Two-Source Systems, designed for automatic switching of loads between the utility source and an alternate source of power.

ASCO Three-Source System​ image

ASCO Three-Source System​

ASCO Three-Source Systems are similar to ASCO Two-Source Systems except that a second alternate power source is added to back up the first if that power source fails. Upon the loss of the utility power source, the system provides all n...

ASCO Three-Source Priority System image

ASCO Three-Source Priority System

ASCO Three-Source Priority Systems are similar to the ASCO three-source systems except they protect two critical loads rather than one critical load. Upon the loss of the utility power source, the system provides all necessary controls...

ASCO Custom Applications image

ASCO Custom Applications

Create exactly the power control solution you want with a variety of configurable modules. The modules reduce lead and delivery times, and facilitate installation and start up, so customize a system to your requirements and still meet ...