QOU220 SQUARE D, QOU220 Datasheet - Page 22

• Manufacturer Part Number: QOU220
• Description: CIRCUIT BREAKER, THERMAL MAG, 2P, 20A
• Manufacturer: SQUARE D
• Series: QOUr
• Type: Thermal/Magneticr

Specifications of QOU220

• Actuator Style: Toggle
• No. Of Poles: 2
• Current Rating: 20A
• Voltage Rating Vdc: 48V
• Voltage Rating Vac: 240V
• Mounting Type: DIN Rail
• Actuator Type: Handle
• Brand/series: QOU Miniture — Low Ampere
• Number Of Poles: 2
• Special Features: Visi-Trip® Trip Indicator
• Voltage Rating: 120/240 V
• Leaded Process Compatible: No
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

QOU Miniature Circuit Breakers and Switches
Tripping Curves
Curve 730-3
22
© 2005 Schneider Electric All Rights Reserved
10000
9000
8000
7000
6000
5000
4000
3000
2000
1500
1000
.015
.009
.008
.007
.006
.005
900
800
700
600
500
400
300
200
150
100
1.5
.15
.09
.08
.07
.06
.05
.04
.03
.02
.01
90
80
70
60
50
40
30
20
15
10
.9
.8
.7
.6
.5
.4
.3
.2
.1
9
8
7
6
5
4
3
2
1
© 1995 Square D
1
1 CYCLE
(60 HZ)
2
(60 HZ)
CYCLE
MULTIPLES OF RATED CURRENT
MAXIMUM SINGLE POLE TRIP TIMES AT 25¡C
BASED ON NEMA AB-2, 1980
MULTIPLES OF RATED CURRENT
Drawing No. B48095-730-03
10000
9000
8000
7000
6000
5000
4000
3000
2000
1500
1000
900
800
700
600
500
400
300
200
150
(AT 50 HZ)
MAXIMUM CLEARING TIME
This cur ve is to be used for application and coordination purposes only. The
EZ-AMP over lay feature at the bottom of the page should be used dur ing
coordination studies.
All time/current characteristic cur ve data is based on 40˚C ambient cold start.
Terminations are made with conductors of appropriate length and ratings.
QO, QOU, QO-VH, QH
Circuit Breaker
QO-PL
QO-PL
CHARACTERISTIC TRIP CURVE NO 730-3
QO-K
Prefix
(AT 60HZ)
QO MOLDED CASE CIRCUIT BREAKERS
20
CIRCUIT BREAKER INFORMATION
June, 1995
Ampere Rating
Continuous
20
20
20
20
AC Voltage
Maximum
120/240
120/240
120
240
Order No.0730TC8703R5/95
1
1 CYCLE
2
(50 HZ)
(50 HZ)
(Replaces 0730TC8703)
CYCLE
of Poles
Number
1, 2
1
1
3
09/2005
100
90
80
70
60
50
40
30
20
15
10
9
8
7
6
5
4
3
2
1.5
1
.9
.8
.7
.6
.5
.4
.3
.2
.15
.1
.09
.08
.07
.06
.05
.04
.03
.02
.015
.01
.009
.008
.007
.006
.005