CU250JD SQUARE D, CU250JD Datasheet - Page 28
![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
28
PowerPact
Section 2—Mounting and Connections
Mechanical Lug Control
Wire Terminal
Bussbar Control Wire
Terminal
06/2010
®
H- and J-Frame Circuit Breakers
Bus-Bar Connections
Both H-frame and J-frame circuit breakers may be equipped with captive nuts and screws for direct
connection to bars.
Terminal nut inserts are needed for replacement of lug connections with bus bar connections.
Table 32:
Table 33:
Voltage Takeoff (Control Wire Terminals) for Mechanical Lugs and Terminal Nuts
Mechanical lugs may be equipped with a separate control wire termination. The kit is available factory
installed or as a field installable kit. The adaptor is secured underneath the lug and has a tab extension
suitable for attachment of a .250 inch slip-on connector.
Fully insulated type connectors must be used to prevent live parts from extending into the wiring gutter
area.
Table 34:
Description
H-Frame Terminal Nut Insert–English
H-Frame Terminal Nut Insert–English
H-Frame Terminal Nut Insert–Metric
J-Frame Terminal Nut Insert–English
J-Frame Terminal Nut Insert–English
J-Frame Terminal Nut Insert–Metric
Dimension
A
B
C
D
E
Description
Mechanical Lugs
Control Wire Terminal for H-Frame Lugs
Control Wire Terminal for J-Frame Lugs
Bussbar Connection
Control Wire Terminal for H-Frame Terminal Nut
Control Wire Terminal for J-Frame Terminal Nut
Terminal Nut Insert
Terminal Nuts for Bus Bar Connection of H-Frame and J-Frame Circuit Breakers
Bar Dimensions
Control Wire Terminals
H-Frame
0.250 in.
(6.4 mm)
0.125–0.375 in.
(3.2–9.5 mm)
0.50 in.
(12.7 mm)
0.3 in.
(7.6 mm)
0.3 in.
(7.6 mm)
Frame
HD/HG/HJ/HL
HD/HG/HJ/HL
HD/HG/HJ/HL
JD/JG/JJ/JL
JD/JG/JJ/JL
JD/JG/JJ/JL
Frame
HD/HG/HJ/HL
JD/JG/JJ/JL
HD/HG/HJ/HL
JD/JG/JJ/JL
J-Frame
0.3125 in.
(7.9 mm)
0.125–0.375 in.
(3.2–.5 mm)
0.50–0.75 in.
(12.7–1.1 mm)
0.625 in.
(15.9 mm)
0.375 in.
(9.5 mm)
Tap
1/4-20
1/4-20
M6
1/4-20
1/4-20
M8
Cat. No.
S37423
S37424
S37429
S37430
Cat. No.
S37425
S37444
S37426
S37427
S37445
S37428
Qty Per Kit
2
2
2
2
© 2004–2010 Schneider Electric
Qty Per Kit
2
3
2
2
3
2
D
E
B
All Rights Reserved
= =
C
Torque
80–90 lb-in
(9–10.2 N•m)
80–90 lb-in
(9–10.2 N•m)
A Ø