ETA Systems ETA-ECM20M Manuale - Pagina 8
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Stampa la paginaETA-RACEWY6
Electrical Housing for ETA-ECM20/ETA-ECM20M
RACEWAY AC GROUND STUD
The ETA-RACEWY6 has an internal AC Mains chassis grounding stud for EARTH connection. The stud size is
⁄
" x 1". A nut and star
10
32
washer are also supplied. The figure above shows the internal location of the stud.
RACEWAY MOUNTING RAILS
The ETA-RACEWY6 can be mounted into most racks that have at least 60" of internal height. The raceways have breakaway rail
mounting tabs that make it convenient to secure the raceway in most applications. There are four rails to secure the ETA-RACEWY6 to
a cabinet or to a wall. Multiple slots are provided for ease of installation. To break the rail tabs off, simply bend the rail tabs back and
forth with a pliers until the metal separates. Note: After the metal breaks, sharp corners may need to be filed to prevent injury.
ETA-RACEWY6 DIMENSIONS
56.34
3.67
5.55
3.55
ECM (ELECTRICAL CONTROL MODULES) MODULES
The difference between the ETA-ECM20 & ETA-ECM20M Models
The ETA-ECM20 does not support the same current monitoring or EMI/RFI Filter feature as the ETA-ECM20M, ETA-20SH and the
ETA-15SH models. However, it does support AC Spike and Surge Suppression, AC Mains Voltage monitoring, EVS circuitry, and
Remote Activation.
In certain application we suggest using an ETA-ECM20 module vs. an ETA-ECM20M, like in places where some of the features would
be redundant because of the electrical location of the ECM module. This would be a cost savings to use a less expensive ECM module
where redundant circuitry is not needed.
Example: One 20A incoming AC line where two sequenced AC outlets are required. Use one ETA-ECM20M and one ETA-ECM20
module wired in parallel. Explanation: If the AC Mains system required a sequenced outlet and did not require more than 20A of
service for a portion of the AC power system, an ETA-ECM20M module can be placed in parallel with an ETA-ECM20 module. It is not
necessary to have amperage readings from both ECM Modules because you can read the current from the ETA-ECM20M module.
It could be in parallel with a ETA-ECM20 module instead since it's on the same incoming AC line as the ETA-ECM20M. They would
have the same current reading because they are in parallel. Also, the EMI and RF filtering are across the same AC line leg, so both
ECM Modules connected to that line are filtered, no need for redundant filtering. Note: In this wiring configuration you still get the
Voltage monitoring to see if the module is active and have extra surge protection. See ECM Module wiring configurations.
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800-321-6699 • Fax: 800-996-3821
– 8 –
etasys.com
Specifications are subject to change without notice.