Eaton Power Xpert PXR Series User Manual

2
1. Introduction to the Power Xpert® Release trip unit
PXR TRIP UNITS FOR POWER DEFENSE MOLDED CASE CIRCUIT BREAKERS MN012007EN March 2019 www.eaton.com
Line protection settings PXR 10 PXR 20 PXR 20D and 25 Units
Available protection styles LI
LSI
LSI
LSIG,
LSI with ARMS
LSIG with ARMS
LSI
LSIG,
LSI with ARMS
LSIG with ARMS
Overload protection (L)
I
r
Pickup 10 settings 10 settings Variable Amps
t
r
Time delay @ 6 x I
r
Fixed at 10 10 settings Variable from 0.50 Seconds
Time delay slope I
2
t, I
4
t I
2
t, I
4
t I
2
t, I
4
t
Thermal memory Enable/disable Enable/disable Enable/disable
Short circuit protection (S)
Enable/disable (OFF position) Yes Yes Yes
I
sd
Pickup 6 settings 2.0 to 10 9 settings from 1.5 Variable from 1.5 x I
r
t
sd
Time delay flat 2 settings 0.15 or 0.30 7 settings from 0.05 to 0.50 Variable from 0.05 to 0.50 Seconds
Time delay I
2
t @ 8 x I
r
0.30 3 settings 0.07, 0.15, 0.30 Variable from 0.07 to 0.30
Zone selective interlock Not available Enable/disable Enable/disable with visual
indication
Instantaneous protection (I)
I
i
Pickup 10 settings 10 settings Variable from 2.0 x I
n
Ground (Earth) fault protection (G)
Enable/disable (OFF position)
Not available
Enable/disable Enable/disable
I
g
Pickup - trip 6 settings from 0.2 to 1.0 (up to
1200A)
Variable from 0.2 to 1.0 (up to
1200A)
x I
n
Pickup - alarm only 3 settings 0.20, 0.50, 1.0 Variable from 0.2 to 1.0 (up to
1200A)
t
g
Time delay flat 7 settings from 0.10, to 1.0 Variable from 0.10 to 1.0 Seconds
Time delay I
2
t @1.0 x I
n
3 settings 0.07, 0.15, 0.30 Variable from 0.07 to 0.30
Alarm contact Optional / configurable Included / configurable
Thermal memory Enable/disable Enable/disable
Neutral protection
4th pole or external neutral trip 3 settings 60% 100% off 3 settings 60% 100% off 3 settings 60% 100% off x I
r
Maintenance mode protection (ARMS)
Maintenance mode with visual
indication
Not available Local OFF w/ remote enable -or-
local ON
Local OFF w/ remote enable
-or- local ON
Pickup 5 settings 2.5, 4.0, 6.0, 8.0, 10 5 settings 2.5, 4.0, 6.0, 8.0, 10 x l
n
Status contact Optional / configurable Optional
General
Cause-of-trip Stored in memory Stored in memory Stored in memory
Available through PXPM LED indication LED indication
High load alarm 1 Pickup
Not available
85% Variable 50% to 120% x I
r
High load alarm 2 Pickup 105%
High load alarm Contact Optional / configurable Configurable
Temperature trip 105 °C / 220 °F 105 °C / 220 °F 105 °C / 220 °F
Notes:
Section 9 contains a detailed list of all available settings for each trip unit and breaker frame combination.
Light gray shaded settings are only configurable through the USB with PXPM software.

Eaton Power Xpert PXR Series Specifications

General

Brand	Eaton
Model	Power Xpert PXR Series
Category	Circuit breakers
Language	English