Small Safety Door Switch / Slide Key Unit [D4NS/D4NS-SK]
Caution
Product Description
Next generation security door switch that supports multi-contacts, reduced man-hours and micro loads
[Features]
· As for the contact configuration, 3 contact types of 2NC / 1NO and 3NC are available in addition to the conventional 1NC / 1NO and 2NC.
· M12 connector types are now also available for reduced man-hours and for facilitating replacement work.
· Standardized gold-clad contacts provide high contact reliability. Can be used with both general loads and micro loads.
· Multiple types of metallic heads available.
Ordering Information of OMRON Limit Switch
• Switches (Operation Keys are sold separately.)
Consult with your OMRON representative when ordering any models that are not listed in this table.
| Type | Contact configuration | Conduit outlet/Connector | Model | |
|---|---|---|---|---|
| 1-Conduit type | Slow-action | 1NC/1NO | Pg13.5 | D4NS-1AF * |
| G1/2 | D4NS-2AF * | |||
| M20 | D4NS-4AF | |||
| 2NC | Pg13.5 | D4NS-1BF * | ||
| G1/2 | D4NS-2BF * | |||
| M20 | D4NS-4BF | |||
| 2NC/1NO | Pg13.5 | D4NS-1CF * | ||
| G1/2 | D4NS-2CF * | |||
| M20 | D4NS-4CF | |||
| 3NC | Pg13.5 | D4NS-1DF * | ||
| G1/2 | D4NS-2DF * | |||
| M20 | D4NS-4DF | |||
| Slow-action MBB contact | 1NC/1NO | Pg13.5 | D4NS-1EF | |
| G1/2 | D4NS-2EF | |||
| M20 | D4NS-4EF | |||
| 2NC/1NO | Pg13.5 | D4NS-1FF | ||
| G1/2 | D4NS-2FF | |||
| M20 | D4NS-4FF | |||
| 2-Conduit type | Slow-action MBB contact | 1NC/1NO | G1/2 | D4NS-6AF |
| M20 | D4NS-8AF | |||
| 2NC | G1/2 | D4NS-6BF | ||
| M20 | D4NS-8BF | |||
| 2NC/1NO | G1/2 | D4NS-6CF | ||
| M20 | D4NS-8CF | |||
| 3NC | G1/2 | D4NS-6DF | ||
| M20 | D4NS-8DF | |||
| Slow-action MBB contact | 1NC/1NO | G1/2 | D4NS-6EF | |
| M20 | D4NS-8EF | |||
| 2NC/1NO | G1/2 | D4NS-6FF | ||
| M20 | D4NS-8FF | |||
| 1-Conduit type, with connector | Slow-action | 1NC/1NO | M12 connector | D4NS-9AF |
| 2NC | D4NS-9BF | |||
| Slow-action MBB contact | 1NC/1NO | D4NS-9EF | ||
| 1-Conduit type (High pull-force type) | Slow-action | 1NC/1NO | G1/2 | D4NS-2AF-SJ * |
| M20 | D4NS-4AF-SJ * | |||
| 2NC | G1/2 | D4NS-2BF-SJ * | ||
| M20 | D4NS-4BF-SJ * | |||
| 2NC/1NO | G1/2 | D4NS-2CF-SJ * | ||
| M20 | D4NS-4CF-SJ * | |||
| 3NC | G1/2 | D4NS-2DF-SJ * | ||
| M20 | D4NS-4DF-SJ * | |||
* Models with Korean S-mark certification.
• Operation Keys of Limit Switch
| Type | Model |
|---|---|
Horizontal mounting | D4DS-K1 |
Vertical mounting | D4DS-K2 |
| Adjustable mounting (Horizontal)  | D4DS-K3 |
| Adjustable mounting (Horizontal/Vertical)  | D4DS-K5 |
• Slide Keys of Limit Switch
| Appearance | Specifications | Contents | Model | Applicable Door Switch |
|---|---|---|---|---|
 | Weight: 422 g Mechanical durability: 20,000 operations min | Slide Key (Operation Key included.): 1 Auxiliary mounting bracket: 1 Receptacle bracket: 1 | D4NS-SK01 | D4NS 1-conduit type |
 | Weight: 2,800 g Mechanical durability: 20,000 operations min. | Slide Key: 1 (Disable-prevention cover and Operation Key D4DS-K2 are already mounted on Slide Key) D4NS mounting tool: 1 Inner lever: 1 Inner lever mounting screws: 2 Door Switch mounting one-way screws: 2 Switch protective cover: 1 Switch protective cover screws: 4 | D4NS-SK30 | D4NS 1-conduit type |
Dimensions/Operating Characteristics of OMRON Limit Switch
Note: All units are in millimeters unless otherwise indicated.
• Switches of Limit Switch
1-conduit Models
| Operating characteristics | D4NS-1□F D4NS-2□F D4NS-3□F D4NS-4□F |
|---|---|
| Key insertion force Key extraction force | 15 N max. 30 N max. |
| Pretravel (PT) | 6±3 mm |
| Total travel (TT) | (28 mm) |
| Direct opening force* Direct opening stroke* | 60 N min. 10 mm min. |
* Always maintain the above operating characteristics for safe use.
2-conduit Models
| Operating characteristics | D4NS-5□F D4NS-6□F D4NS-7□F D4NS-8□F |
|---|---|
| Key insertion force Key extraction force | 15 N max. 30 N max. |
| Pretravel (PT) | 6±3 mm |
| Total travel (TT) | (28 mm) |
| Direct opening force* Direct opening stroke* | 60 N min. 10 mm min. |
* Always maintain the above operating characteristics for safe use.
1-conduit Connector Models
| Operating characteristics | D4NS-9□F |
|---|---|
| Key insertion force Key extraction force | 15 N max. 30 N max. |
| Pretravel (PT) | 6±3 mm |
| Total travel (TT) | (28 mm) |
| Direct opening force* Direct opening stroke* | 60 N min. 10 mm min. |
* Always maintain the above operating characteristics for safe use.
Note: Unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions
• Operation Keys of Limit Switch
Note: Unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions.
• D4NS-SK30 of Limit Switch
Open Door
Closed Door
Structure and Nomenclature of OMRON Limit Switch
• Structure of Limit Switch
Model Number Structure of OMRON Limit Switch
• Model Number Legend of Limit Switch
Switch (Standard type)
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.
Switch (High pull-force type)
1. Conduit Outlete
- 2:G1/2 (1-conduit type)
- 4:M20 (1-conduit type)
2. Built-in Switch
- A:1NC/1NO (slow-action)
- B:2NC (slow-action)
- C:2NC/1NO (slow-action)
- D:3NC (slow-action)
Operation Key
1. Operation Key Type
- 1.Horizontal mounting
- 2.Vertical mounting
- 3.Adjustable mounting (Horizontal)
- 5.Adjustable mounting (Horizontal/ Vertical)