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Specifications are subject to change without notice.
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800-321-6699 • Fax: 800-996-3821
ECM-RACEWY6 ECM Housing
The ETA-ECM20 and ETA-ECM20M require an electrical housing. The ECM-RACEWY6 holds up to 6 ECM modules. There are
standard ¾" and 1" electrical knockouts on the bottom of the raceway to support standard electrical mounting hardware. Since the
Raceway can house 6 ECM modules there can be 6 separate 20A AC legs coming into the Raceway for a total of 120A of power
distribution or it could be as simple as one 20A leg. Note: All electrical wiring must be done by a certified electrician.
All cover plates must be secured tightly. There shall be no open slots. Blank cover plates are available. Top and bottom mounting
tabs are incorporated to mount inside an Atlas Rack. All rack mount rails are designed to be breakaway, if they are not needed.
Simply bend the tab back and forth until the tab breaks away. Be careful of sharp edges.
ECM-3BP Module Cover Plate
The ECM- RACEWY6 can hold up to 6 ETA-ECM20 / ETA-ECM20M Modules, however it is ok to use less than 6 modules. The
open slot on the ECM-RACEWY6 can be covered up using an ECM Module Blank Plate cover. Two of these are included with the
ECM-RACEWY6. If not needed, discard them. If additional Blank Plates are required they can be purchased in packages of three.
ECM-ACIN Wire Kit
ETA offers a wire kit of stranded 12-guage UL wire for wiring the ETA-ECM20 Modules together plus additional length for wiring
the incoming AC to an AC Mains panel. 140" of each color of Green, White and Black are included. Note: As a reference, It takes
around a foot of wire between ETA-ECM20 modules, if they are wired on the same incoming AC Main. It is highly recommended
that the wire needed for the job is carefully measured. It may take more than one ECM-ACIN wire kit depending on how many AC
Mains and the distance from the AC Mains Panel. It is not necessary to use Atlas ECM-ACIN wire kit as long as it is 12-gauge and
UL listed.
ETA-ECM20M 20A AC Control Module
The features, data wiring and the functionality of the ETA-ECM20M are the same as the ETA-20SH and the ETA-15SH. The
ETA-ECM20M is designed to be installed in the ECM-RACEWY6. Read above for operation details.
ETA-ECS6RM
Electrical Control Sequencer