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Safety-door Switch
D4NS
Multi-contact,
Labor-saving,
Environment-friendly,
Next-generation
Safety-door Switch
• Lineup includes three contact models
with 2NC/1NC and 3NC contact forms in
addition to the previous contact forms
1NC/1NO, and 2NC.
• M12-connector models are available,
saving on labor and simplifying replace-
ment.
• Standardized gold-clad contacts provide
high contact reliability.
• Applicable to both standard loads and
micro loads.
• Free of lead, cadmium, and hexavalent
chrome, reducing the burden on the en-
vironment.
Model Number Structure
Model Number Legend
Switch
D4NS-@@@
1 2 3
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 compatible (2-conduit model with M20 conduit
size includes an M20-to-1/2-14NPT conversion adapter)
8:
M20 (2-conduit)
9:
M12 connector (1-conduit)
2. Built-in Switch
A:
1NC/1NO (slow-action)
B:
2NC (slow-action)
C:
2NC/1NO (slow-action)
D:
3NC (slow-action)
E:
1NC/1NO (MBB contact)
F:
2NC/1NO (MBB contact)
3. Head Mounting Direction
F:
Four mounting directions possible (Front-side mounting at
shipping)
Note: An order for the head part or the switch part alone cannot be accepted.
The Operation Key is sold separately.
D4NS
Operation Key
D4DS-K@
1
1. Operation Key Type
1:
Horizontal mounting
2:
Vertical mounting
3:
Adjustable mounting (Horizontal)
5:
Adjustable mounting (Horizontal/ Vertical)
G-131
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Summary of Contents for Omron D4NS
- Page 1 1NC/1NO (MBB contact) 2NC/1NO (MBB contact) 3. Head Mounting Direction Four mounting directions possible (Front-side mounting at shipping) Note: An order for the head part or the switch part alone cannot be accepted. The Operation Key is sold separately. D4NS G-131...
-
Page 2: Ordering Information
D4NS-9EF (note 3) tact Note: 1. The recommended models for equipment and machinery being exported to Europe are those with an M20 or Pg13.5 conduit sizes, and for North America, the recommended models are those with a 1/2-14NPT conduit sizes. -
Page 3: Specifications
Rated operating voltage (U ) 240 V 250 V Note: Use a 10-A fuse type gI or gG that conforms to IEC269 as a short-circuit protection device. This fuse is not built into the Switch. UL/CSA (UL508, CSA C22.2 No. 14) - Page 4 Note: 1. The above values are initial values. 2. Once a contact has been used to switch a standard load, it cannot be used for a load of a smaller capacity. Doing so may result in rough- ening of the contact surface and contact reliability may be lost.
- Page 5 Key insertion completion 33-34 can be used as unlike poles. completion position position Note: MBB (Make Before Break) contacts have an overlapping structure, so that before the normally closed contact (NC) opens, the normally open contact (NO) closes. D4NS G-135...
- Page 6 10 mm min. depth: 5 2.15±0.05R mounting holes Always maintain the above operating characteristics for safe use. (14) M12 × 1 ± 0.2 14.2 Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. G-136 Safety Sensors / Components...
- Page 7 Operation Keys Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions. D4DS-K1 D4DS-K3 17.5 Black 9 dia. Four, 2.15R 4.5 dia. 8 dia. 10.5 D4DS-K2 D4DS-K5 20.9 24.6 22.5 15° 2 4. Four, 2.15R 18° Black With Operation Key Inserted (Relationship between Insertion Radius and Insertion Hole) Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
-
Page 8: Safety Precautions
0.5 to 0.7 N·m Precautions for Safe Use Conduit mounting connection (see item 10,11), 1.8 to 2.2 N·m • Be careful not to drop your D4NS, or the switch will not fully exhibit M12 changing adaptor 1.4 to 1.8 N·m (1/2-14NPT) its ability. - Page 9 9. Recommendation of connector B D F 42 mm 42 mm Use the connector with thread section of 9 mm long or less. In the 28 mm 28 mm case of the connector with longer thread section, protruded part may interfere with the other parts inside the body.
- Page 10 D4NS-3BF length, however, are different. 2. Terminal Numbers D4DS-5AFS D4NS-5BF For the 2-contact model, the terminals 21, 22, 23, and 24 on the D4DS are D4DS-6AFS D4NS-6BF 31, 32, 33, and 34 on the D4NS. 3. Recommended Terminals Operation Key If the recommended terminals are not used, the Switch may not be compatible.
- Page 11 Setting up a risk assessment system The items listed in this catalog must be used properly in terms of product location as well as product performance and functionality. Part of the process of selecting and using these products should include the introduction and development of a risk assessment system early in the design development stage to help identify potential dangers in your equipment that will optimize safety product selection.
- Page 12 ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. Cat. No. C128-E2-03-X In the interest of product improvement, specifications are subject to change without notice. G-142 Safety Sensors / Components...
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