Cut Sheet

Volume 10—Enclosed Control CA08100012E—November 2012 www.eaton.com V10-T17-11
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17.3
Technical Data and Specifications
IEC Contactors and Starters
XT Line
Furnish as indicated Eaton
Class ECX combination
starters manufactured by
Eaton’s electrical sector or
approved equal. All starters
shall be UL listed and
conform to the latest IEC
Standards and the National
Electric Code.
Non-Reversing
Reversing
General
●
All motor starters shall be
IEC Sizes A–N (60 hp at
460V). Each starter shall
have one NO auxiliary
contact, or as scheduled
●
Overload relays shall be
ambient compensated
bimetallic type with
interchangeable heaters,
calibrated for 1.0 and 1.15
service factor motors.
Electrically isolated NO and
NC contacts shall be
provided on the relay.
Visual trip indication shall
be standard. A test trip
feature shall be provided
for ease of troubleshooting
and shall be conveniently
operable without removing
components or the motor
starter. Overload relays
may also be solid-state
●
Control circuit transformers,
where specified, shall be
encapsulated. Primary and
secondary fusing shall be
provided. Unless otherwise
specified, the secondary
shall be 120 Vac. 50 VA is
minimum
●
Pilot devices, where
specified, shall be oiltight
and mounted in the flange.
Pilot lights shall be
transformer type for longer
lamp life. Pilot device
legend plates shall be
engraved aluminum
Enclosure
●
Enclosures shall be Type 1,
3R, 4, 4X, 7/9 or 12, as
scheduled
●
The operating mechanism
shall be mounted on the
flange and shall have
positive, non-teasing ON/
OFF action. The handle
shall be color-coded: red for
ON and black for OFF
●
The operating handle shall
have a means to lock the
handle in the OFF position
with a minimum of three
standard padlocks having
1/4 in diameter shackles
●
The enclosure sub-panel
shall be easily removed
without disturbing the
operating mechanism
●
Enclosures shall have
means for locking the
cover
Short-Circuit Protective Device
Disconnect Switch
●
Where specified, a
disconnect switch with
double break, rotary blades
and quick make/quick break
action shall be provided
●
A line shield with test
probe holes for inspection
shall be provided. The
shield shall be removable
●
The switch shall have
readily visible blades in the
open (OFF) position
●
The fusible disconnect
switch (through 100A) shall
have built-in fuse pullers to
make it easier to remove
fuses
Circuit Breaker
●
Where specified, an
adjustable instantaneous
trip, magnetic only circuit
breaker shall be provided
●
A manual push-to-trip
button shall be provided to
exercise the trip unit
Short-Circuit Rating
●
Fusible disconnect switches
shall be UL listed for
100,000 amperes available
when Class R fuses are
used
●
Combination starters with
adjustable instantaneous
trip, magnetic only circuit
breakers shall be UL listed
for 100,000 amperes
available through 480 Vac
Description Catalog Number
Disconnect switch ECX19
Circuit breaker (HMCP) ECX25
Description Catalog Number
Disconnect switch ECX20
Circuit breaker (HMCP) ECX26