Optional Features - Eaton Cutler-Hammer EGS Serie Mode D'emploi Et D'entretien

O & M Manual for the EGS Automatic
Transfer Switch with RTC-50 Control
3. Time Delay Emergency to Normal (TDEN)
This feature provides a time delay of the re-transfer opera-
tion to permit stabilization of Utility. Timing begins when the
Utility becomes available. If the Generator fails during tim-
ing, then re-transfer is delayed for up to 6 seconds to allow
the generator to recover.
Fixed at 10 Seconds.
5. Generator Monitoring and Protection
This feature provides monitoring and protection based on the
Generator voltage setpoints. All feature functions are Fail-
safe operations.
5J. All Phase Undervoltage Protection
Undervoltage:
Dropout: 70% of nominal
Pickup: 80% of nominal
12. Power Source Annunciation
This feature provides LEDs to give power source availability
indications.
Switch Position
Provides LEDs to indicate the switch position
Power Source Availability
Provides LEDs to indicate if a power source is available.
LEDs may be integral or separate from the controller.
12G. Utility - Available
This feature provides a green LED that, when lit, indicates
the Utility is available.
12H. Generator - Available
This feature provides an red LED that, when lit, indicates
the generator is available.
15M. Load Shed
Two sets of contacts are available and can be used to con-
trol large connected loads on the generator (i.e. air condi-
tioners, hot tubs, etc.). The contacts are rated for 250 Vac,
5 amps.
26. Utility - Monitoring and Protection
This feature provides Utility monitoring and protection func-
tions. If the Utility power supply fails, then the
RTC-50 will begin the sequence of operations necessary to
transfer the load circuit to the Generator power supply. All
Feature 26 monitoring and protection functions are Failsafe
operations.
26P. All Phase Undervoltage Protection
Adjustable Undervoltage:
Dropout: 70% of nominal
Pickup: 80% of nominal

3.5 Optional Features

The following is a list of optional features for the ATS.
37A. Service Equipment Rated Transfer Switch
This feature provides the label "Suitable for use as Service
Equipment" and the features necessary to meet the require-
ments for the label.
IB00405003E - 70-8662
3.6 Standards
Eaton ATS equipment, enclosed in NEMA 3R enclosures, are listed
for application by UL. In addition, Eaton ATSs are listed in File
E313744 by Underwriters Laboratories, Inc. under Standard UL
1008. This standard covers the requirements for ATSs intended
for use in ordinary locations to provide lighting and power as fol-
lows:
Eaton ATSs are available to meet NFPA 110 for standby power
systems.
Eaton ATS equipment are listed for application by CSA. In addi-
tion, Eaton ATSs are listed in the Legacy File LR96245 Master
Contract 163545 by Canadian Standards Association under Stan-
dard 22.2 #178-1978
For more information visit: www.eaton.com
Effective: July 2008
a. In standby systems, in accordance with article 702 of the
National Electrical Code.
Instructional Booklet
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