Page last updated Oct 7, 2016 @ 09:23pm

RLC1SXJ20100
RLC1SEJ20100

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Service Entrance Switch
200A
Lockable External Service Entrance Disconnect Service Entrance Switch
200A (inside)
new ATC-100
Controller
RLC1 Contactor Optional TVSS Surge Protection Optional Load Shed Relay Eaton C-H Brochure covering RLC1 switch Eaton C-H Brochure covering all ATS products

Click thumbnail image above to enlarge

Automatic Transfer Switch
100 amp, 120/240V, 1-phase
with generator exerciser
(integral service entrance disconnect optional)

The Eaton Cutler-Hammer RLC Residential/Light Commercial Automatic Transfer Switch complements remote start generator sets allowing the standby power system to be fully automatic.  This contactor-based switch is perfect for applications where adjustable voltage and time delay settings are not required.  Settings are fixed at values that are suitable for most applications.  100 and 200 amp ratings are available with indoor and outdoor enclosures.

The RLC Automatic Transfer Switch combines reliability and flexibility in a small, economical package for transferring loads between the utility and generator sets.   This transfer switch works together with any remote-start generator using two-wire start control.  The controller in the switch monitors utility and emergency standby power generator power.  When utility power fails or is unsatisfactory, the controller starts the generator set and transfers the load to the generator set.  When the controller senses that utility power is restored it automatically transfers back to utility power, shutting down the generator and instantly resetting itself for the next power interruption.  No action is required by site staff.

Enclosures
The transfer panel and control are mounted in a single hinged door NEMA 1 (indoor) or 3R (outdoor) enclosure.

Optional Service Entrance Rated
This switch can be service entrance rated as an option.  If there is no service entrance rated disconnect between this switch and your utility meter, select this option to save purchasing, installing and wiring a separately mounted disconnect.

Positive Interlocking
Mechanical contactor interlocking prevents simultaneous closing of normal and emergency contacts.  Independent break-before-make action positively prevents dangerous source-to-source connections.

Microprocessor Control
Reliable, microprocessor based control system with undervoltage monitoring of the utility and voltage and frequency sensing of the generator, standard time delays.   This switch now comes standard with the Eaton ATC-100 controller which provides timing functions, voltage & frequency sensing and the generator exerciser.  The new RLC1 series switch with the ATC-100 controller replaces the old RLCM series.

Agency Approvals
Complies with NEMA ICS 10
Conforms to applicable requirements for NFPA 110
UBC and BOCA Uniform building code for Seismic Zone 4

Listed to UL 1008, CSA, IEC listed to 240 VAC 50/60 Hz
ISO 9001 and 14001

 

Specs

Switch Current Rating 100 amps, 2 pole
Voltage Rating 120/240V, 1 phase
Operating Temperature (controller) -20 to +70C (-4 to +158F)
Operating Humidity 95% relative humidity, non-condensing
ATC-100 Controller Features (see Note 1)

Click here for new ATC-100 Controller instruction manual

- start time delay: 3 seconds fixed
- transfer time delay: 2 seconds (or 15 sec jumper selectable)
- retransfer time delay: 5 minutes fixed (0 if gen fails)
- stop engine cool down time delay: 5 minutes fixed
- emergency fail time delay: 6 seconds fixed
- voltage measuring accuracy: 1%
- frequency measuring accuracy: + 0.3Hz (40-60Hz)
- voltage sensing of utility source
    80% D.O., 90% P.U. voltage fixed
- voltage & frequency sensing of generator source
    80% D.O., 90% P.U. voltage fixed
    54Hz D.O., 57Hz P.U. under frequency fixed
    over frequency detection: off (69Hz D.O., 66Hz P.U. jumper enable)
Exerciser Clock 7 day interval (or 14 or 28 day jumper selectable)
no load (or load or off - jumper selectable)
15 minute run-time fixed
Position Indication (5)LEDs on controller
Automatic Load Shed (4) Form C contacts for turning off large loads (optional)
Battery Charger not included (order separately if required)
UL Withstand & Closing Ratings 10,000 Amps non-service entrance rated switch
22,000 Amps service entrance rated switch
Lug Capacities #14 to #2/0 AWG per pole
Nominal Dimensions (H x W x D) 29.20" x 14.46" x 5.35" standard
29.20" x 14.46" x 5.00" service entrance rated (Note 2)
Weight 36 lbs. standard
40 lbs. service entrance rated (Note 2)

NOTES:
1) The start time delay prevents nuisance generator starts during momentary utility power variations; transfer time delay allows generator set to stabilize before load is applied; retransfer delay prevents needless power interruption if return of utility power is momentary; stop delay allows gradual generator set cool down; undervoltage sensing of utility supply provides reliable starting of generator set during brownout conditions.
2) This switch can be service entrance rated as an option.  If there is no service entrance rated disconnect between this switch and your utility meter, select this option to save installing a separately mounted disconnect.
3) The RLC contactor comes with 2 power poles to switch the two hot leads of a 120/240V system.  It does NOT switch the neutral, which is acceptable in most areas of the USA.  See article 250.20 of the 2002 NEC.  If there are special requirements in your area that require switching the neutral (as dictated by local codes or electrical inspectors) you must use a different transfer switch.
4) This switch provides a single isolated contact for controlling the genset.  The contact closes when the genset is to start and run. 

 

Model Numbers

Model

Controller Service Entrance Rated? Amperes Voltage Enclosure Certification
RLCMSXJ20100ASU standard* no 100A 120Vac 60Hz NEMA 1 UL 1008 Listed
RLCMSEJ20100ASU standard* yes 100A 120Vac 60Hz NEMA 1 UL 1008 Listed
RLCMSXJ20100BSU standard* no 100A 208/120Vac 60Hz NEMA 1 UL 1008 Listed
RLCMSEJ20100BSU standard* yes 100A 208/120Vac 60Hz NEMA 1 UL 1008 Listed
RLCMSXJ20100WSU standard* no 100A 240/120Vac 60Hz NEMA 1 UL 1008 Listed
RLCMSEJ20100WSU standard* yes 100A 240/120Vac 60Hz NEMA 1 UL 1008 Listed
RLCMSXJ20100ARU standard* no 100A 120Vac 60Hz NEMA 3R UL 1008 Listed
RLCMSEJ20100ARU standard* yes 100A 120Vac 60Hz NEMA 3R UL 1008 Listed
RLCMSXJ20100BRU standard* no 100A 208/120Vac 60Hz NEMA 3R UL 1008 Listed
RLCMSEJ20100BRU standard* yes 100A 208/120Vac 60Hz NEMA 3R UL 1008 Listed
RLCMSXJ20100WRU standard* no 100A 240/120Vac 60Hz NEMA 3R UL 1008 Listed
RLCMSEJ20100WRU standard* yes 100A 240/120Vac 60Hz NEMA 3R UL 1008 Listed
RLC1SXJ20100ASU ATC-100 no 100A 120Vac 60Hz NEMA 1 UL 1008 Listed
RLC1SEJ20100ASU ATC-100 yes 100A 120Vac 60Hz NEMA 1 UL 1008 Listed
RLC1SXJ20100BSU ATC-100 no 100A 208/120Vac 60Hz NEMA 1 UL 1008 Listed
RLC1SEJ20100BSU ATC-100 yes 100A 208/120Vac 60Hz NEMA 1 UL 1008 Listed
RLC1SXJ20100WSU ATC-100 no 100A 240/120Vac 60Hz NEMA 1 UL 1008 Listed
RLC1SEJ20100WSU ATC-100 yes 100A 240/120Vac 60Hz NEMA 1 UL 1008 Listed
RLC1SXJ20100ARU ATC-100 no 100A 120Vac 60Hz NEMA 3R UL 1008 Listed
RLC1SEJ20100ARU ATC-100 yes 100A 120Vac 60Hz NEMA 3R UL 1008 Listed
RLC1SXJ20100BRU ATC-100 no 100A 208/120Vac 60Hz NEMA 3R UL 1008 Listed
RLC1SEJ20100BRU ATC-100 yes 100A 208/120Vac 60Hz NEMA 3R UL 1008 Listed
RLC1SXJ20100WRU ATC-100 no 100A 240/120Vac 60Hz NEMA 3R UL 1008 Listed
RLC1SEJ20100WRU ATC-100 yes 100A 240/120Vac 60Hz NEMA 3R UL 1008 Listed
* Standard controller board has been superseded and replaced by model with new ATC-100 controller.

 

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1 - Optional built-in service entrance disconnect eliminates need for external disconnect when installing switch
     directly downstream of utility meter.  Reduces installation time and cost of extra external disconnect.
2 - Most systems in USA are 240/120Vac 60Hz.
3 - Select indoor or outdoor enclosure
4 - Optional fuse protected TVSS surge protector.
5 - .
6 - Extended warranty covers parts and labor for the first 3 years.  Years 4 and 5 parts are covered.
 

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