Operator`s manual

30 through 3000 amps in a compact design.
Available to 600 VAC, single or three phase.
True double-throw operation: The single
solenoid design is inherently inter-locked
and prevents contacts from being in contact
with both sources at the same time.
There’s no danger of the SerieS 300 ATS
transferring loads to a dead source because the
unique ASCO single-solenoid operator derives
power to operate from the source to which the
load is being transferred.
Easy to navigate 128x64 graphical LCD display
with keypad provides LED indicators for switch
position, source availability, not in auto, and alert
condition.
Integrated multilingual user interface for
configuration and monitoring.
Delayed transition operation is now available
(Dual Operator Configuration).
Non-automatic operation can be selected using
the key pad without opening enclosure door.
Relay expansion module with extra relays for
accessory outputs (Optional).
Includes soft keys for test function and time delay
bypass as standard features.
Historical event log (Optional).
Statistical ATS system monitoring information.
Diagnostic Functions.
Password protection to prevent unauthorized
tampering of settings.
Adjustable time-delay feature prevents switch
from being activated due to momentary
utility power outages and generator dips.
Supplied with solid neutral termination.
Optional switched neutral pole available.
Field modification accessory kits available.
Available for immediate delivery.
UL Listed Withstand & Close-On Ratings
Maximum Reliability & Excellent Value
With a SerieS 300 Transfer Switch, you get a product backed by
ASCO Power Technologies, the industry leader responsible for virtually every
major technological advance in the Transfer Switch industry.
The ASCO
SerieS 300 was designed for one purpose–to automatically
transfer critical loads in the event of a power outage. Each and every
standard component was designed by ASCO engineers for this purpose.
The
SerieS 300 incorporates the Group G controller with enhanced
capabilities for dependable operation in any environment. A user friendly
control interface with a 128x64 graphical LCD display and intuitive
symbols allow for ease of operation while visual LED indicators verify
transfer switch status. Operating parameters and feature settings can be
adjusted without opening enclosure door.
The rugged construction and proven performance of the ASCO
SerieS 300 assure the user of many years of complete reliability.
The SerieS 300 is even designed to handle the extraordinary demands
placed on the switch when switching stalled motors and high inrush
loads.
ASCO’s
SerieS 300 modular, compact design makes it easy to install, inspect
and maintain. All parts are accessible from the front so switch contacts
can be easily inspected.
Features
The SerieS 300 is listed to UL 1008 standard for total system loads
and CSA standard C22.2 for automatic transfer switches.
Meets NFPA 110 for Emergency and Standby Power Systems
and the National Electrical Code (NEC) Articles 700, 701 and 702.
Controller is RoHS compliant (Restriction of Hazardous Substances).
4
Notes: 1. Current limiting fuse should be class J type through 400 amps:
use Class L type above 400 - amp fuse rating
Current limiting fuse for 3ADTS/3NDTS only 150 - 400 amp
should be Class L type
2. Refer to publication 1128 for specific manufacturer ’s breakers
series 300 Power Transfer Switches
Fig. 1: ASCO Power Transfer Switch
rated 200 amperes
30 100kA - 10kA 10kA
70 - 150 200kA 35kA 22kA 10kA
200 200kA - 22kA -
230 100kA - 22kA -
260, 400 200kA - 42kA -
150,200,230,260,400
Series 3ADTS/3NDTS 200kA 200kA 50kA 42kA
Only
600 200kA 200kA 50kA 42kA
800,1000,1200 200kA 200kA 65kA 65kA
1600, 2000 200kA 200kA 85kA 85kA
2600, 3000 200kA 200kA 100kA 100kA
Switch Ratings
Amps
Available Symmetrical Amperes RMS
Current Limiting Fuses
Specific Breaker
480V Max. 600V Max. 600V Max.480V Max.