|Short Circuit Protection|
|Service Entrance Rated|
|Number of Poles for Switch|
|Phase Reversal, Loss, and Undervoltage Protection Relay|
Select the Amp and NEMA rating that match your desired product to download the drawings. For 4 Pole Switches the overall dimensions are the same as 3 Pole Switches. For 4 Pole drawings contact PSI. Service Entrance Rated Switch will not have pilot lights. Contact PSI for drawings. Scroll down orange bar for Non-Fuse Drawings.
PSI Manual Transfer Switches are offered in 60-3000 Amps with enclosure rating options including NEMA 1, NEMA 3R, and NEMA 4X. The switch component is labeled UL1008 through 1200 Amps. / IEC Rated 1600 through 3000 Amps. The overall package will be assembled and labeled in accordance to UL508A through 1200 Amps.
PSI’s manual transfer switch has one of the smallest footprints in the industry.
Transfer switches are devices that are essential for emergency power electrical installations when generators are used. Whether you application is industrial or commercial in nature, power supply continuity and electrical distribution is critical.A Manual Transfer Switch allows you to start a generator and restore power to predetermined circuits when utility power fails. This is a reliable simple and cost effective method to provide building owners with a high level of safety and security.
PSI Control Solutions offers a complete line of non-fusible Manual Transfer Switches from 30-3000 amps.We also have Fusible Manual Transfer Switch based solutions, a reliable and time tested technology. If your needs are for a Service Entrance Rated Manual Transfer Switch in a NEMA 3R enclosure or a NEMA 4X 316 stainless steel enclosure, PSI Control Solutions has the answer.Service Entrance Rated above 1000 amps will have Ground Fault Protection. The switch component is labeled UL1008 through 1200 Amps / IEC Rated 1600 through 3000 Amps. The overall assembly will be built and labeled UL508A through 1200 Amps.
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