Building Automation
Industrial Automation
Power Automation & Safety
Bangladesh Distributor
D4A-3E12N
General-purpose Limit Switch
Image
Standard sensitivity, IP67, Snap action, Self-reset mechanism, 2-circuit double break type, SPST-NO / SPST-NC, Spring wire
| Shape/Structure |
General-purpose Limit switches |
|---|---|
| Actuator |
Spring wire |
| Contact configuration |
2-circuit double break type |
| Load |
General load |
| Degree of protection |
IEC60529 (JEM): IP67 |
- Ratings / Performance
As of August 8, 2016
| Shape/Structure | General-purpose Limit switches |
|---|---|
| Service life | General type |
| Operating mechanism | Snap action |
| Actuator | Spring wire |
| Frequency | 50/60 Hz |
| Leakage current | Approx. 1.3 mA |
| Switching mechanism | Self-reset mechanism |
| Contact configuration | 2-circuit double break type |
| Contact form | SPST-NO / SPST-NC |
| Load | General load |
| Ratings (DC): Non-Inductive load | Rated voltage: 24 VDC / Resistive load: 6 A(NC) 6 A(NO) / Lamp load: 4 A(NC) 3 A(NO) |
| Ratings (DC): Inductive load | Rated voltage: 24 VDC / Inductive load: 6 A(NC) 6 A(NO) / Motor load: 4 A(NC) 4 A(NO) |
| Inrush current | NC: 30 A NO: 20 A |
| Indicator | LED (Possible to change between Light when operating and Light when not operating.) Voltage: 24 VDC Leakage current: Approx. 1.3 mA |
| Conduit size | G1/2 |
| Ambient temperature | Operating: -40 to 100 ℃ |
| Ambient humidity | Operating: 35 to 95% |
| Permissible operating speed | 1 mm/s to m/s |
|---|---|
| Permissible operating frequency （Mechanically） | 300 operations / 1 minute Max. |
| Permissible operating frequency （Electrically） | 30 operations / 1 minute Max. |
| Contact resistance | 25 mOhm Max. (Initial value) (Measuring method is contact resistance meter.) |
| Insulation resistance | Between live-metallic part and ground: 100 MΩ Between each terminal and non-live-metallic part: 100 MΩ (at 500 VDC Megger Without LED) |
| Dielectric strength | Between live-metallic part and ground: 1500 V Between each terminal and non-live-metallic part: 1500 V (50/60 Hz for 1 min Without LED) |
| Durability (Mechanically) | 30,000,000 operations Min. (No load) (Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
| Durability (Electrically) | 1,000,000 operations Min. (Resistive load 6 A at 24 VDC) (Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
| Shock resistance （Destruction） | 1,000 m/s2 |
| Degree of protection | IEC60529 (JEM): IP67 |
| Mounting specification | Front mounting Back mounting |
| Operating Force （OF） | Standard value Max. 0.98 N |
|---|---|
| Pre-Travel （PT） | Standard value 15 DEG Max. |
| Condition of operating characteristics | Measure at the tip of actuator |
As of August 8, 2016
- Mounting holes
As of August 8, 2016
As of August 8, 2016
- Circuits configuration
As of August 8, 2016
Switches with indicators are factory-set to light when the switch is not operated, but the setting can be changed to light for operation (dotted lines).
As of August 8, 2016
- Durability
As of August 8, 2016
Electrical durability curve
As of August 8, 2016
about this Product
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