G-219
D4N
D4
N
Miniature Safety Limit Switch
D4N
Safety Limit Switches
compatible to the Popular
D4D, Providing a Full
Lineup Conforming to In-
ternational Standards
• Lineup includes three contact models
with 2NC/1NO and 3NC in addition to
the 1NC/1NO, and 2NC contact mod-
els. Models with MBB contacts are
available too.
• M12-connector models are available,
saving on labor and simplifying mainte-
nance.
• Standardized gold-clad contacts pro-
vide high contact reliability.
Can be used with both standard loads
and microloads.
• Free of lead, cadmium, and hexavalent
chrome, reducing the burden on the
environment.
• Conforms to EN115 and EN81-1.
• Lineup includes both slow-action and
snap-action models with Zb contacts.
Be sure to read the
Safety Precautions
on
page G-237
.
Note: Contact your sales representative for details on models with safety standard certification.
Model Number Structure
Model Number Legend
1. Conduit/Connector size
1: Pg13.5 (1-conduit)
2: G1/2 (1-conduit)
3: 1/2-14NPT (1-conduit)
4: M20 (1-conduit)
5: Pg13.5 (2-conduit)
6: G1/2 (2-conduit)
7: 1/2-14NPT (2-conduit)
8: M20 (2-conduit)
9: M12 connector (1-conduit)
2. Built-in Switch
1: 1NC/1NO (snap-action)
2: 2NC (snap-action)
A: 1NC/1NO (slow-action)
B: 2NC (slow-action)
C: 2NC/1NO (slow-action)
D: 3NC (slow-action)
E: 1NC/1NO (MBB contact-/-slow-action)
F: 2NC/1NO (MBB contact-/-slow-action)
3. Head and Actuator
20:
Roller lever (resin lever, resin roller)
22:
Roller lever (metal lever, resin roller)
25:
Roller lever (metal lever, metal roller)
26:
Roller lever (metal lever, bearing roller)
2G:
Adjustable roller lever, form lock (metal lever, resin roller)
2H:
Adjustable roller lever, form lock (metal lever, rubber roller)
31:
Top plunger
32:
Top roller plunger
62:
One-way roller arm lever (horizontal)
72:
One-way roller arm lever (vertical)
80:
Cat whisker
87:
Plastic rod
RE:
Fork lever lock (right operation)
LE:
Fork lever lock (left operation)
1 2 3
D4N-
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F502-EN2-04.book Seite 219 Dienstag, 26. Juli 2005 5:48 17
