ASCO Series 4000

ASCO Power Technologies (ASCO) provides the solutions to handle the transfer of critical loads to emergency sources reliably and with state of the art products. Using ASCO products can mean the difference between a minor inconvenience and a major catastrophe. You'll find ASCO Power Transfer Switches wherever there is a critical load to be protected.

• ASCO Power Transfer Switches are the standard of the industry.
• High speed load transfers at any ampacity size is made possible by a reliable, field proven solenoid operating mechanism.
• Conventional two-position transfer configuration, plus closed and delayed transition modes of operation. All configurations available with either automatic or non-automatic control.
• UL listed to 1008 Transfer Switch Equipment and CSA certified to CSA 22.2 No.178-1978 Automatic Transfer Switches.
• Rated up to 600 VAC, 30 through 4000 amperes.
• UL Type 1, 3R, 4 or 12 Enclosures
• High withstand and close-on ratings including short time withstand current rating for optimum flexibility in circuit breaker coordination (800-4000 amperes).
• Solid, switched neutral configurations available.
• Front replaceable main and arcing contacts (800-4000 amperes).
• Programmable microprocessor controller with keypad and LCD display.
• Industrial grade user interface with integrated controls and indicating lights.
• Local/remote communications capability for interfacing with ASCO POWERQUEST® communication products.