Specifications

64 Distribution Products Catalog CA08101001E—October 2010 www.eaton.com
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16.4
Tr a n s f er Switches
Magnum-Based Designs
Technical Data and Specifications
System
Standards
Eaton Soft Load ATSs are
listed in File E38116 by
Underwriters Laboratories,
under Standard UL 1008. This
standard covers requirements
for ATSs intended for use in
ordinary locations to provide
for lighting and power as
follows:
A. In emergency systems,
in accordance with
articles 517 and 700 in the
National Electrical Code
(NEC), American National
Standards Institute/
National Fire Protection
Association (ANSI/NFPA)
70 and the NFPA No.
76A.
B. In stand-by systems, in
accordance with article
702 of the NEC.
C. In legally required
standby systems in
accordance with article
701 of the NEC.
Eaton ATSs are available
to meet NFPA 110 for
emergency and standby
power systems, and
NFPA 99 for health-care
facilities when ordered with
the appropriate options.
Since Eaton ATSs utilize
specially designed switches
and/or switching devices as
the main power switching
contacts, these devices must
also be listed under the
additional UL Standard 1066.
UL utilizes two basic types of
listing programs: a) Label
Service and b) Re-
examination. UL 1066
employs a label service listing
program that requires an
extensive follow-up testing
program for listed devices.
Standard UL 1008 for ATSs
lists devices under the re-
examination program that
only requires a continual
physical re-examination of
the components used in the
product to ensure
consistency with the
originally submitted device.
Follow-up testing IS NOT
required by UL 1008.
Representative production
samples of switches and
switching devices used in
Eaton ATSs are subjected
to a complete test program
identical to the originally
submitted devices on an
ongoing periodic basis per
UL 1066.
The frequency of such a
resubmittal can be as often
as every quarter for a low
ampere device.
Environmental
Seismic
With proper installation,
and by including Option 42,
which includes specially
designed cleats, the Magnum
transfer switch is a Seismic-
Certified Transfer Switch with
certificate for application that
is Seismic Zone 4 under the
California Building Code,
the Uniform Building Code,
and BOCA.
Operational Conditions
Normal operation of ATSs
in an electrical
equipment
room for indoor applications.
Outdoor applications can
subject units to falling rain,
freezing temperatures
and 95% humidity
(noncondensing).
Ambient temperature for
operation is between –20
and +65°C (–4 and 149°F).
System Ratings—Magnum DS Fixed and Drawout
Standard UL 1008 3-Cycle 30-Cycle Extended Rating
ATS
Ampere Rating
Ratings when used with
Upstream Breaker (kA)
120–600 Vac
Ratings used for Coordination with
Upstream Breakers with Short-Time Rating
120–600 Vac
800 100 85
1000 100 85
1200 100 85
1600 100 85
2000 100 85
2500 100 85
3200 100 85