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3.5 Reset
The button labeled "RESET" , located in the lower right
face of the trip unit, can be depressed to reset the cause
of trip indicators (see Figure 5).
3.6 Door
Near the bottom of the PT unit, there is a small door
with the Universal Serial Bus (USB) icon. The door can be
opened downward to expose the micro-B USB port.
Figure 6. Trip Unit Door.
Trip Unit Door
3.7 USB
The USB is a micro-B USB connector utilizing USB 2.0
protocol. This USB connection may be used in conjunction
with the Power Trip Management (PTM) software to
configure and monitor the trip unit. A USB connection
will also typically provide power from the host side of the
USB cable to power up the trip unit when another source
of auxiliary power is not available. This connection is
intended for temporary use while a user is configuring or
monitoring the trip unit.
Figure 7. Behind the Trip Unit Door.
PT 10 TrIP UnIT User ManUal Power TrIP (PT) UnITs MN013021EN January 2024 www.eaton.com
3.8 Battery
At the bottom of the trip unit there is a small tray which
holds the battery. When the trip unit is not powered, this
battery supports the cause-of-trip indicators, and real-time
clock and assists the trip unit to record events. The battery
life can be checked using a computer. The battery plays
no part in the protection functions of the trip system. This
battery is the standard type CR 2032 coin-cell.
When used for the first time, the battery protection
insulation plastics needs to be manually removed to
activate the battery.
Figure 8. Battery Tray.
Battery Tray
3.9 I
Rating
n
This legend shows the I
shown on the lower left corner of the display.
Figure 9. I
n
I
Rating
n
3.10 Side Labels
The side of the trip unit contains agency certification,
model, and manufacturing information printed on a label.
USB Port
Figure 10. PT Trip Unit Side Label
3. Power Xpert® Release Trip Units
rating of the breaker. It is also
n
Rating.
CATALOG NO.
STYLE NO.
SERIAL NO.
BARCODE(SERIAL NO.)
FIRMWARE REVISION
PRODUCTION DATE CODE
5
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