General-purpose Limit Switch
D4A-
@N
F-11
Limit
Switches
DPDT Double-break Switches
Note: 1.
The Switches listed above with an optional G1/2 or M20 x 1.5 conduit can be supplied upon request. To order, change the conduit iden-
tifier in the model number as follows:
2.
Switches with fluoro-rubber seals (with an operating temperature range of –10
°
C to 120
°
C) may be ordered by adding an “F” suffix to the
model number. (Example: D4A-3101N-F for D4A-3101N) Contact your OMRON representative for details.
3.
Levers for Roller Lever Switches are optionally available. Select the lever from those listed in this data sheet (refer to
Levers
on pages 28
and 29) and order.
4.
“Roller lever: maintained” refers to actuators that possess a lock mechanism for switching operations. Use a Fork Lever Lock (D4A-E
@@
)
as the lever.
Actuator
1/2-14NPT conduit
Without indicator
With neon lamp indicator
(AC)
With LED indicator
(DC)
Model
Approved
standards
D4A-2501N
UL, CSA
D4A-2L01N
D4A-2P01N
D4A-2502N
UL, CSA
D4A-2L02N
D4A-2P02N
D4A-2503N
UL, CSA
D4A-2L03N
D4A-2P03N
D4A-2504N
UL, CSA
D4A-2L04N
D4A-2P04N
D4A-2505N
UL, CSA
D4A-2L05N
D4A-2P05N
D4A-2717N
UL, CSA
D4A-2M17N
D4A-2Q17N
D4A-2918N
UL, CSA
D4A-2N18N
D4A-2R18N
D4A-2506N
UL, CSA
D4A-2L06N
D4A-2P06N
D4A-2507-VN
UL, CSA
D4A-2L07-VN
D4A-2P07-VN
D4A-2507-HN
UL, CSA
D4A-2L07-HN
D4A-2P07-HN
D4A-2508N
UL, CSA
D4A-2L08N
D4A-2P08N
D4A-2509N
UL, CSA
D4A-2L09N
D4A-2P09N
D4A-2510N
UL, CSA
D4A-2L10N
D4A-2P10N
D4A-2511N
UL, CSA
D4A-2L11N
D4A-2P11N
D4A-2512N
UL, CSA
D4A-2L12N
D4A-2P12N
D4A-2514N
UL, CSA
D4A-2L14N
D4A-2P14N
D4A-2515N
UL, CSA
D4A-2L15N
D4A-2P15N
D4A-2516N
UL, CSA
D4A-2L16N
D4A-2P16N
1/2-14NPT
G 1/2
M20 x 1.5
D4A-2
@@@
N
D4A-4
@@@
N
D4A-6
@@@
N
Roller lever: standard
(See note 3.)
Roller lever: high-
sensitivity (See note 3.)
Roller lever: low
torque (See note 3.)
Roller lever: high-
sensitivity/low torque
(See note 3.)
Roller lever: maintained
(See note 3 and 4.)
Roller lever: sequential
operating (See note 3.)
Roller lever: center
neutral operating
(See note 3.)
Side plunger
Side-roller plunger:
vertical roller
Side-roller plunger:
horizontal roller
Side plunger:
adjustable
Top plunger
Top plunger:
roller
Top plunger:
adjustable
Flexible rod:
Spring wire
Flexible rod:
Plastic rod
Flexible rod:
Cat whisker
Flexible rod:
Coil spring