ORDERING INFORMAT ION
【 Standard Parts Numbering System 】
Code
3
1
2
- Mounting -
No. of
terminals
P-
6
P-
Cover -
4
5
Screw
size
-
Conductor
plate bending
6
M3
-
3L
7
Other
- Screw specifi cations
type
(Example)
OTB - 750 -
1
-
B
-
C
Mounting type
2
No mounting holes
With mounting holes
Wall mounting holes
B
M
MW
3
-
-
Number of terminals
Select and specify the required number of terminals from
the size chart for the corresponding product. For relay
and feed-through terminal blocks, parallel or vertically
arranged products with conducting fixtures have two
screws (upper and lower) per terminal.
Cover
The compatible covers are indicated for each product. These covers may be optional for certain products.
Material : Polycarbonate
One-touch cover
(standard item)
L-shape cover
One-touched
L-shape cover
Plate cover
with mounting fixture
cross section
cross section
cross section
cross section
Compatible models
OTB-358N
OTB-359S
OTB-388
OTB-390
OTB-488S
OTB-489S
OTB-490
OTB-588
Compatible models
OTB-358N
OTB-359S
OTB-754
OTB-760/760N
OTB-761/761N
LC
C
OTB-761BL/761NBL
OTB-770/770N
OTB-771/771N
OTB-771BL/771NBL
OTB-772/772N
OTB-779
OTB-780
OTB-781
OTB-781BL
OTB-782
OTB-592
screw
cover
attachment
□□C or □□NC or PC
LOC
□□＝Mounting fixture
5
Conductor plate bending
Retaining fixture mounting position
Inside conductor plate at either end
Omit if not required.
Center type
Side type
Bend radius
Bend radius
(minimum 2.5 mm)
(minimum 2.5 mm)
※ Specif y pos i t ions i f t wo or
more retaining fi x t ures are
required.
6
Screw type
Selectable screw if need the screw type.
B series
(Binding head screws)
L
L
Bending direction
Bend radius
only specifi ed
7
R
F series
(Pan head screw
with square washer)
P series
(Pan head screw)
A series※
(Hexagon head bolt)
Bending direction ( L or R )
Bend radius
and direction specified
Part No.
B□□
Number
Part No.
F □□
Number
Part No.
P□□
Number
Part No.
A□□
Number
Other specifications
TUV specification
If the mark of“TUV”on the terminal block is necessary, specify“TUV”at the end of Part Number. Products available
with TUV specification are indicated by“TUV”in the catalog.
Example : OTB - 910 - B - 5P - C -TUV
OSADA Terminal Blocks
3