The ASCO Series 300 is a line of automatic power transfer switches that move a load from utility power to an engine generator when utility power fails, then switch the load back after utility power is restored. The document describes the switch with its Group G controller, 128x64 graphical LCD display and keypad, and LED indicators for switch position, source availability, not-in-auto mode and alert condition.
It covers typical applications in telecom, agriculture, commercial/retail and light industrial, and municipal services, along with features, UL 1008 withstand and close-on ratings, and the compact wall- or floor-mounted design. Ratings run from 30 through 3000 amperes, up to 600 VAC single or three phase, with an operating temperature range of 0 to +40o C.
| Current range | 30 through 3000 amperes |
|---|---|
| Voltage | Up to 600 VAC, single or three phase |
| Operating temperature | 0 to +40o C |
| Display | 128x64 graphical LCD with keypad |
| Standard | UL 1008 |
| RoHS | Compliant controller |
| Neutral | Solid neutral termination supplied |
| Auxiliary contacts | Two for normal and two for emergency position |
The switches are available from 30 through 3000 amperes in a compact design.
The switches are available to 600 VAC, single or three phase.
It is listed to UL 1008 for total system loads.
Yes, operating parameters and feature settings can be adjusted without opening the enclosure door.