Omron D4N Series User Manual

Safety Limit Switch
D4N
Upgraded Safety Limit Switches Based
on the Popular D4D, Providing a Full
Lineup Conforming to International
Standards
■ Lineup includes three contact models with 2NC/1NO and 3NC
contact forms in addition to the previous contact forms 1NC/
1NO, and 2NC. Models with MBB contacts are also available.
■ M12-connector models are available, saving on labor and
simplifying replacement.
■
Standardized gold-clad contacts provide high contact reliability.
Can be used with both standard loads and microloads.
■ Conforms to EN115, EN81-1, and EN81-2 (slow-action models
only).
■ Lineup includes both slow-action and snap-action models with
Zb contacts.
■ Certified standards: UL, EN (TÜV), and CCC
Model Number Structure
Model Number Legend
1. Conduit 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)
Note: Contact your sales representative for details on models
with safety standard certification.
Be sure to read the “Safety Precautions” on page 18
and the “Precautions for All Safety Limit Switches” .
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Omron D4N Series Specifications

General

Voltage Rating	250 VAC, 30 VDC
Ingress Protection	IP67
Actuator Type	Plunger
Current Rating	10 A
Housing Material	Plastic
Category	Switch
Connection Method	Screw terminals
Operating Speed	0.05 mm/s to 0.5 m/s
Standards	UL 508
Mechanical Life	15, 000, 000 operations minimum
Electrical Life	500, 000 operations
Contact Configuration	1NC/1NO, 2NC