ATC-300+ or ATC-800 microprocessor-based controller
True RMS voltage and frequency sensing
Maintains fully automatic capability while in bypass mode (optional)
Single motion rack-out with the door closed
Multiple field programmable time delays
Switch position indication
Source availability indication
Source 1 and 2 auxiliary contacts
Programmable plant exerciser
System test pushbutton
Load shed from emergency
Mimic diagram
Ability to test power switching isolated components
Controls And Wiring
All controls relays and industrial grade relays are totally encapsulated to minimize exposure to dust and dirt. Lugs are 90º rated and all control wire is #16 AWG, type XLPE with a 125º temperature rating.
Enclosure
Durable powder-coated steel NEMA 1, 3R or 12 enclosures with three door hinges to ensure proper support of the door and door mounted devices. The hinges have removable hinge pins to facilitate door removal for easy wall mounting or service and are supplied with pad-lockable latches.
Available Options
Space heaters
2- or 4-position test switch
Multi-meter options available
Open, closed or delayed transition
Drawout capabilities on both ATS bypass portions and power switching devices completely interchangeable between ATS and bypass units
Load sequencing contacts
Dual drawout type is field configurable for top or bottom conduit entry
Field selectable, multi ratio, control voltage transformer 50/60 Hz
Seismic Zone 4 Qualified (BOCA, CBC, IBC, UBC and OSHPD)
Remote communications
Surge suppression
Selectable automatic or non-automatic operation
Optional Delayed Transition Includes:
Time delay neutral
Pre-transfer signal with 1 N.O. and 1 N.C. contacts