MULTIPLES OF CURRENT RATING (In)

0.05 0.1 1 10 100 1K

1000 1000
0.54 1.00
LONG TIME PICKUP (I1)
0.40 0.75 Multiples of In
Settings range from 0.400 to 1.000
in 0.001* increments

Curve describes minimum, maximum, and two intermediate

settings to represent the complete range of each
adjustable setting.
9.0
7.0
5.0 LONG TIME DELAY
100 IEC-SI Curve 100
3.0 Settings range from 3 to 9
seconds in 1 s increments

Maximum Total
Clearing Time

10 10

Short time pickup must be set lower

Minimum Total than instantaneous pickup or else
Commit Time breaker LEDs will flash. Error lights will be
displayed if LT = ST or ST ≥ Inst
TIME IN SECONDS

TIME IN SECONDS
1 1
SHORT TIME PICKUP (I2)
Multiples of In
0.6 1.0 3.0 10.0 Settings range from 0.6 to 10.0 in 0.1*
increments

0.4

0.3 SHORT TIME DELAY

I2T OFF
Settings range from 0.05 to 0.4
0.2 seconds in 0.01 s increments

0.10 0.10

Application of Circuit
0.05 Breaker Determines End of
Curve

INSTANTANEOUS PICKUP (I3)

Multiples of In
1.5 2.2 6.5 10.0 Settings range from 1.5 to 10
in 0.1* increments
0.01 0.01
0.05 0.1 1 10 100 1K
MULTIPLES OF CURRENT RATING (In)

—
Time Current Curve Molded Case Circuit Breaker
Available Ratings (Amperes)
Type Tmax XT2 with Reduced Energy Let Through (RELT): is adjusted by
engaging and setting the second instantaneous
Trip Frame Current Ekip Touch/Hi-Touch LSIG function (2I-50). The setting range and increments
Type Model Unit Amps Rating (In) Long Time Curve: IEC-SI are identical to the primary instantaneous (I-50).

MCCB XT2 Ekip 125 40 100 Instantaneous Override: When instantaneous

9AKK108468A0602, April 2023

Touch/ 60 125 Operating Conditions: Curves apply at 50 to 60

protection is turned off, the breaker will immediately
Hi-Touch Hertz and ambient temperature from -25°C to
trip for any current that is equal to or greater than
+70°C up to an altitude of 2000 meters. Electronic
2200A +/- 10%.
trip units do not undergo any variations in
Voltage Rating: 600Vac, 50 to 60 hz systems performance as the temperature varies, but, in the
Additional Long Time Curve Options: Refer to the
case of temperatures exceeding +40°C, the
following TCCs for other long time delay curve types.
maximum setting for protection L (protection I2T (Standard Inverse Time): 9AKK108468A0603
against overloads) must be reduced, as indicated in VI (Very Inverse): 9AKK108468A0601
the UL Catalog. EI (Extremely Inverse): 9AKK108468A0600
I4T (Fuse Response): 9AKK108468A0599
Ground Fault: 9AKK108468A0598
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