Important Notice: UK Single Way Bypass 4000 Series is still available on ASCO SE/UK website. For general questions please fill out the following form: https://www.se.com/uk/en/work/support/customer-care/contact-sales.jsp.Transfer loads between alternate sources of power efficiently with the ASCO 4000 SERIES Power Transfer Switches. Combined with programmable microprocessor controllers, they offer the most advanced method of transferring loads.
