260
200 Series, Heavy Duty, 600V, 0.50” [1.27] Pitch
Catalog 1308389
Dimensions are in millimeters
Dimensions are shown for
USA: 1-800-522-6752
South America: 55-11-2103-6000
Revised 6-07
and inches unless otherwise
reference purposes only.
Canada: 1-905-470-4425
Hong Kong: 852-2735-1628
specified.
Specifications subject
Mexico: 01-800-733-8926
Japan: 81-44-844-8013
www.tycoelectronics.com
to change.
C. America: 52-55-1106-0803
UK: 8706-080-208
Note: All part numbers
are RoHS Compliant.
BUCHANAN Terminal Blocks
LR25557
E63810
Strap Screw
Strap Clamp
Tubular Screw
Tubular Clamp
Characteristics
Part
Type of Block
Model
Number
Model
Number
Model
Number
Model
Number
Direct Mount (Flat Base)
Nylon, Unpainted
241
3-1437390-9
248
4-1437390-2
242
4-1437390-0
243
4-1437390-1
Polypropylene
P241
6-1437390-5
P248
6-1437390-8
P242
6-1437390-6
P243
6-1437390-7
Channel Mount (Dovetail Base)
Nylon, Painted
0241
1-1437390-6
0248
2-1437390-4
0242
2-1437390-0
0243
2-1437390-1
Polypropylene
P0241 5-1437390-9
P0248
6-1437390-3
P0242
6-1437390-0
P0243-BU 6-1437390-2
Contact Type
Specifications
Wire Range (AWG)
Solid & Stranded
22-10
18-8
18-4
18-6
Wire Strip Length (in.)
—
1/2
Screw Type
10-32
8-32
1/4-28
binding head
pan head
set screw
Ampacity
35 A
50 A
85 A
65 A
End Sections
Direct Mount, Nylon
250
4-1437390-3
250
4-1437390-3
250
4-1437390-3
250
4-1437390-3
Direct Mount, Polypropylene
P250
6-1437390-6
P250
6-1437390-6
P250
6-1437390-6
P250
6-1437390-6
Channel Mount, Nylon
0250
2-1437390-5
0250
2-1437390-5
0250
2-1437390-5
0250
2-1437390-5
Channel Mount, Polypropylene
P0250 6-1437390-4
P0250
6-1437390-4
P0250
6-1437390-4
P0250
6-1437390-4
Notes:
For factory assembled blocks, suffix Catalog Number with number of blocks
desired. See page 264-266 for dimensions and other details.
(Maximum number of flat base preassembled sections is 12).
Example: Ten tubular clamp, dovetail based sections, preassembled on channel
= 024310
Example: Twelve polypropylene strap clamp flat base sections = P24812
For unpainted factory assembled blocks supplied with a removable marking strip
add — 1 to Catalog Number.
For blocks with two or more different contact sections, imprinted marking strips,
or special features, consult Technical Support.
Direct Mount
Channel Mount
(Flat Base)
(Dovetail Base)
Comparison (Type of Block)