CU250JD SQUARE D, CU250JD Datasheet - Page 63
![MECHANICAL LUG](/photos/21/79/217912/4674300_sml.jpg)
CU250JD
Manufacturer Part Number
CU250JD
Description
MECHANICAL LUG
Manufacturer
SQUARE D
Series
PowerPactr
Datasheet
1.AL150HD.pdf
(84 pages)
Specifications of CU250JD
Features
200 - 250 A, 1/0 AWG?300 Kcmil
Accessory Type
Mechanical Lug
For Use With
J-Frame Thermal Magnetic Circuit Breakers
- Current page: 63 of 84
- Download datasheet (9Mb)
© 2004–2010 Schneider Electric
All Rights Reserved
Figure 43:
10000
9000
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2000
1500
1000
.015
.009
.008
.007
.006
.005
900
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150
100
1.5
.15
.09
.08
.07
.06
.05
.04
.03
.02
.01
90
80
70
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.9
.8
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.6
.5
.4
.3
.2
.1
9
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1
© 2004 Schneider Electric All Rights Reserved
1 CYCLE
1
/
(60 Hz)
2
(60 Hz)
CYCLE
150-250 A — JD, JG, JJ, and JL
LIMITS LOW
MULTIPLES OF RATED CURRENT
SETTING
MAXIMUM SINGLE-POLE TRIP TIMES
AT 25°C BASED ON NEMA AB-4 2003
LIMITS HIGH
SETTING
MAGNETIC TRIP
ADJUSTMENT RANGE
MULTIPLES OF RATED CURRENT
10000
9000
8000
7000
6000
5000
4000
3000
2000
1500
1000
900
800
700
600
500
400
300
200
150
MAXIMUM CLEARING TIME
(AT 50 Hz)
This curve is to be used for application and coordination purposes only. The
EZ-AMP overlay feature at the bottom of the page should be used during
coordination studies.
All time/current characteristic curve data is based on 40°C ambient cold start.
Terminations are made with conductors of appropriate length and ratings.
Circuit Breaker
JD, JG, JJ, JL
JD, JG, JJ, JL MOLDED CASE CIRCUIT BREAKERS
Prefix
PowerPact
(AT 60 Hz)
CHARACTERISTIC TRIP CURVE NO. 50-5
CIRCUIT BREAKER INFORMATION
Ampere Rating
Continuous
150–250
®
H- and J-Frame Circuit Breakers
AC Voltage
Maximum
600
1
/
1 CYCLE
Drawing No. 48095-050-05
2
(50 Hz)
(50 Hz)
CYCLE
Curve No. 0050TC0405
Number
of Poles
2, 3
June 2004
Section 6—Trip Curves
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
06/2010
63
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