CU250JD SQUARE D, CU250JD Datasheet - Page 5
![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: 5 of 84
- Download datasheet (9Mb)
© 2004–2010 Schneider Electric
All Rights Reserved
Section 1—General Information
Introduction
H-frame and J-frame molded case circuit breakers are designed to protect electrical systems from
damage caused by overloads and short circuits. All circuit breakers are designed to open and close a
circuit by nonautomatic means and to open the circuit automatically on a predetermined overcurrent.
Features and Benefits
The H- and J-frame modular platform provides many options for accessories, configurations, and
actuation. H- and J-frame circuit breakers (15–250 A) and motor-circuit protectors (30–250 A) are
designed to use common accessories. Some of the key features are defined below:
Common Design Envelope
Both the H-frame and J-frame circuit breakers feature common mounting holes, handle locations and
trim dimensions.
Figure 1:
High Ampere Interrupting Ratings (AIR)
Circuit breakers are available with interrupting ratings up to:
•
•
•
See Table 9 for additional interruption ratings.
[163]
6.40
125 kA at 240 Vac delta
100 kA at 480 Vac delta
50 kA at 600 Vac delta.
[105]
4.12
1.38
Common Design for H- and J-Frame Circuit Breakers
[35]
[191]
7.52
PowerPact
[105]
1.38
4.12
[35]
®
H- and J-Frame Circuit Breakers
Section 1—General Information
3.44
[87]
2.87
[73]
Dimensions
3.44
[87]
06/2010
2.87
[73]
[mm]
in.
5
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