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A second model RATS4-100-1-1,
with NEMA-1 enclosure, plus model RATS43R-100-1-1 with NEMA-3R enclosure, looks identical
to above ATS, except it has a 4-wire starting circuit and is intended for only
2-pole, 3600 RPM generator sets from 7 KW thru 15 KW, 120/240 VAC, 1 phase.
OPERATION This
ATS system includes suitable voltage sensing circuitry for automatic transfer of
an "All Class" electric load to an emergency power, standby generator
set, in the event of a drop, or total loss of utility power. Upon
restoration of utility power, the electric load is automatically re-transferred
back to utility power. A 120 VAC transfer solenoid, operates the lever
arm, in both "STANDBY" and "MAIN" positions. The
switch is an enclosed contactor with 100 amp 240 vac rating, and is designed to
provide a positive mechanical interlock between the mechanically held,
electrically operated contacts, to eliminate electric vibration noise on
operating position. FEATURES
AND BENEFITS
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Lightweight approx. 67 lbs.,
for one person installations.
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Diagnostic panel on front
cover, allows monitoring and set-up adjustments without entering into panel
interior.
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Pre-Punched
"Knock-Outs" for ready use by installing electrician.
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Heavy duty "All Class
Loads", (including heavy electric motor loads) contact rating of
100 amps, 240 VAC on both "NORMAL" and "EMERGENCY"
sides.
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Transfer switch is designed
to operate manually if automatic controls mal-function.
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Included time delays: 3
second delay to over-ride power glitches , 15 second delay to allow gen-set
to stabilize , 15 second delay after transfer to generator for bypass to
momentary voltage dips, during generator loading , 5 minute delay to
re-transfer to utility power use , and load connected to utility.
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Listed to UL-1008
certifications and meets National Electrical Code (NEC) and National Fire
Protection Association (NFPA) requirements.
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Total product has one year
warranty on parts and labor from date of shipment to end user.
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Models RATS4-100-1-1 (NEMA-1
enclosure) & RATS43R-100-1-1 (NEMA-3R enclosure), both have a special
4-wire starting circuit and is intended to work with all 3600 RPM, single
phase generator sets, as a "packaged unit". We use part of
the ASCO transfer switch controller circuit for auto start-stop engine
controller, which save costs, thereby allowing a lower selling price.
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All 4-POLE, single phase, up
to 25 kw will use the "RATS" residential Asco transfer switch. All
other 4-pole single phase and three phase, plus 2-POLE, three phase gen-sets,
will use the "ATS" Industrial Asco transfer switch.
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Gillette Generators, Inc.
Copyright © 2004 All rights reserved.
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