BuyLog Flippingbook FEB 2025
8-155
LOW VOLTAGE POWER & INSULATED CASE CIRCUIT BREAKERS, BUYLOG SECTION 8
— Power Break ™ II circuit breakers Trip unit characteristics
Power+ Trip Unit Characteristics
Long Time
Short Time
Frame Max. Ampere Rating
Sensor Rating Amperes) (S)
Envelope Size
Current Setting (C ) (Pick-Up) Multiple of Rating Plug Amperes (X)
Delay 1 (Seconds 4 Bands)
Pick-up (Multiple of Current Settings (C)
Delay (Seconds 3 Bands)
800
200, 400, 800 800, 1000, 1600
I 2 T in 1 .10, .21, .35
2000
1600 2000
0.5, 0.6, 0.7, 0.8, 0.9, 0.95 and 1.0
1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 7.0, and 9.0
2000
2.4, 4.9, 9.8, 20
3000 2500, 3000
1000, 2000, 2500, 3000
I 2 T out 2 .10, .21, .35
4000 4000
4000
Power+ Trip Unit Characteristics (continued)
Ground Fault Pick-Up (Multiple of Sensor Ampere Rating)
Envelope Size
Adjustable Instantaneous Pick-Up without ST (Multiple of Rating Plug Amperes) (X)
Adjustable Instantaneous Pick-Up with ST (Multiple of Rating Plug Amperes) (X)
Delay 3 (Seconds 3 Bands)
1.5 thru 10.0 1.5 thru 10.0 1.5 thru 10.0
1.5 thru 15.0 1.5 thru 15.0 1.5 thru 15.0 1.5 thru 13.0 1.5 thru 9.0
0.20 thru 0.60 0.20 thru 0.60 0.20 thru 0.60 0.20 thru 0.37 0.20 thru 0.30
I 2 T in 4 .10, .21, .35
2000
I 2 T out 2 .10, .21, .35
3000 1.5 thru 10.0 4000 1.5 thru 9.0
Enhanced MicroVersaTrip ™ Plus and PM Trip Unit Characteristics
Long Time
Short Time
Sensor Rating Amperes) (S) 200, 400, 800 800, 1000, 1600
Envelope Size
Frame Max. Ampere Rating
Current Setting (C ) (Pick-Up) Multiple of Rating Plug Amperes (X)
Pick-up (Multiple of Current Settings (C)
Delay 2 (Seconds)
Delay (Seconds)
800
800
I 2 T in 1 0.40
1600 1600 2000 2000
2000
0.5 thru 1.0 in increments of 0.05
1.5 thru 9.0 in increments of 0.5
2.4, 4.9, 9.8, 20
2500 3000
1000, 2000, 2500
3000
I 2 T out 2 .10, .21, .35
3000 4000
4000 4000
Trip Unit Characteristics (continued)
Adjustable Instantaneous Pick-Up without ST (Multiple
Adjustable Instantaneous Pick-Up with ST (Multiple of Rating Plug Amperes) (X) 1.5 thru 15.0 in 0.5 increments 1.5 thru 15.0 in 0.5 increments 1.5 thru 15.0 in 0.5 increments 1.5 thru 13.0 in 0.5 increments 1.5 thru 9.0 in 0.5 increments
Ground Fault
High Range Instantaneous
Pick-Up (Multiple of Sensor Ampere Rating) 0.20 thru 0.60 in increments of 0.01 0.20 thru 0.60 in increments of 0.01 0.20 thru 0.60 in increments of 0.01 0.20 thru 0.37 in increments of 0.01 0.20 thru 0.30 in increments of 0.01
Envelope Size
(Multiple of Frame Short-Time Rating) (H)
Delay With l 2 T In Seconds
Delay 3 With l 2 T Out Seconds
of Rating Plug Amperes) (X) 1.5 thru 10.0 in 0.5 increments 1.5 thru 10.0 in 0.5 increments 1.5 thru 10.0 in 0.5 increments 1.5 thru 10.0 in 0.5 increments 1.5 thru 9.0 in 0.5 increments
800
1600
.44 at 200% of pick-up at lower limit of band
1.0
2000
.10, .21, .35
3000
4000
S = Sensor amp rating C = Long-time current setting (pick-up)
1 Time delay shown at 600% of current setting at lower limit of band. 2 Time delay shown at lower limit of each band. All pick-up tolerances are ± 10%. 3 Time delay shown at lower limit of each band. Ground fault pick-up not to exceed 1200 amperes. 4 Time delay shown at 200% of pick-up at lower limit of band.
H = Short-Time Rating X = Rating plug amps
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