Cut Sheet
Technical Data
Effective: April 1998 Page
3
TD.19.02.T.E
Cutler-Hammer
QUICKLAG
T
Industrial Circuit Breakers
Maximum
Maximum Interrupting Time
(50-125 Amp)
(10-40 Amp)
Interrupting Rating (See Tabulation Above)
Circuit Breaker Time/Current Curves
QUICKLAG
®
2-Pole Circuit Breakers, 10-125 Amperes
For application and coordination purposes only. Based on 40°C
ambient, cold start. Connected with four (4) feet of rated wire (60/75°C
up to 100 amp, 75°C for 125 amp) per terminal. Tested in open air with
current in all poles.
Breaker Ratings (UL Listed)
Minimum
100
50
30
20
10
5
3
2
1
.5
.3
.2
.1
.05
.03
.02
.01
.005
.003
.002
.001
TIME IN SECONDS
1,000
500
300
200
5,000
3,000
2,000
1 HOUR
1 MINUTE
2 HOURS
TIME IN SECONDS
10,000
100
50
30
20
10
5
3
2
1
.5
.3
.2
.1
.05
.03
.02
.01
.005
.003
.002
.001
1,000
500
300
200
5,000
3,000
2,000
1 HOUR
1 MINUTE
2 HOURS
100
80
60
90
70
50
1000
800
600
900
700
500
400
300
200
10,000
8000
6000
9000
7000
5000
4000
3000
2000
100,000
80,000
60,000
90,000
70,000
50,000
40,000
30,000
20,000
10,000
8000
6000
9000
7000
5000
4000
3000
2000
1000
800
600
900
700
500
400
300
200
100
80
60
90
70
50
100,000
80,000
60,000
90,000
70,000
50,000
40,000
30,000
20,000
CURRENT IN PERCENT OF BREAKER TRIP UNIT RATING
CURRENT IN PERCENT OF BREAKER TRIP UNIT RATING
10,000
Breaker
Type
2-Pole
Maximum
Volts
Ac (60 Hz)
Continuous
Amperes
Interrupting Capacity
RMS Symmetrical
Amperes (kA)
HQP, QC, BAB
QCR, QCF
QCGF, QCGFEP➁
QBGF, QBGFEP➁
QPGF, QPGFEP➁
QCR, QCF
QPHW, QBHW, QCHW
QCHGF, QCHGFEP➁
QBHGF, QBHGFEP➁
QPHGF, QPHGFEP➁
QPHW, QBHW, QCHW
QHPX, QHCX, HBAX
QHPW, QHCW, HBAW
120/240 or 240
120/240
120/240
120/240
120/240
240
120/240
120/240
120/240
120/240
240
120/240
120/240
10-125
10-60
15-50
15-50
15-50
15-30
15-125
15-30
15-30
15-30
15-100
15-100
15-30
10
10
10
10
10
10
22
22
22
22
22
42
65
Maximum Single-Pole
Trip Times at 25°C➀
➀ Single-pole test data at 25°C based on NEMA procedures for
verifying performance of molded case circuit breakers.
➁ Time current curves show thermal-magnetic protection.
GF protection has 5ma trip sensitivity. GFEP protection has
30ma trip sensitivity.
Continuous Amperes
Instantaneous Trip Range, Amperes
10-20
25-40
45-60
70-125
200-400
300-500
450-650
800-1200
Curve No. SC-3501-77C
QUICKLAG 2-Pole Circuit Breakers, 10-125 Amperes