Building Automation
Industrial Automation
Power Automation & Safety
Bangladesh Distributor
D4A-4505N
General-purpose Limit Switch
Image
Standard sensitivity, IP67, Snap action, Self-holding mechanism, 4-circuit double break type, DPST-NO / DPST-NC, Rotating lever
| Shape/Structure |
General-purpose Limit switches |
|---|---|
| Actuator |
Rotating lever Holding type |
| Operation type |
Simultaneous operation type |
| Contact configuration |
4-circuit double break type |
| Load |
General load |
| Degree of protection |
IEC60529 (JEM): IP67 NEMA250: Type3, 4, 4X, 6P, 13 |
- Ratings / Performance
As of August 8, 2016
| Shape/Structure | General-purpose Limit switches |
|---|---|
| Service life | General type |
| Operating mechanism | Snap action |
| Actuator | Rotating lever Holding type |
| Operation type | Simultaneous operation type |
| Frequency | 50/60 Hz |
| Switching mechanism | Self-holding mechanism |
| Contact configuration | 4-circuit double break type |
| Contact form | DPST-NO / DPST-NC |
| Load | General load |
| Ratings (AC): Non-Inductive load | Rated voltage: 125 VAC / Resistive load: 5 A(NC) 5 A(NO) / Lamp load: 2 A(NC) 2 A(NO) Rated voltage: 25 VAC / Resistive load: 3 A(NC) 3 A(NO) / Lamp load: 1 A(NC) 1 A(NO) Rated voltage: 480 VAC / Resistive load: 1.5 A(NC) 1.5 A(NO) / Lamp load: 0.5 A(NC) 0.5 A(NO) Rated voltage: 600 VAC / Resistive load: 1 A(NC) 1 A(NO) / Lamp load: 0.4 A(NC) 0.4 A(NO) |
| Ratings (AC): Inductive load | Rated voltage: 125 VAC / Inductive load: 4 A(NC) 4 A(NO) / Motor load: 3 A(NC) 3 A(NO) Rated voltage: 25 VAC / Inductive load: 2 A(NC) 2 A(NO) / Motor load: 1.5 A(NC) 1.5 A(NO) Rated voltage: 480 VAC / Inductive load: 1 A(NC) 1 A(NO) / Motor load: 0.8 A(NC) 0.8 A(NO) Rated voltage: 600 VAC / Inductive load: 0.7 A(NC) 0.7 A(NO) / Motor load: 0.5 A(NC) 0.5 A(NO) |
| Ratings (DC): Non-Inductive load | Rated voltage: 14 VDC / Resistive load: 5 A(NC) 5 A(NO) / Lamp load: 2 A(NC) 2 A(NO) Rated voltage: 30 VDC / Resistive load: 3 A(NC) 3 A(NO) / Lamp load: 1 A(NC) 1 A(NO) Rated voltage: 125 VDC / Resistive load: 0.4 A(NC) 0.4 A(NO) / Lamp load: 0.1 A(NC) 0.1 A(NO) Rated voltage: 250 VDC / Resistive load: 0.2 A(NC) 0.2 A(NO) / Lamp load: 0.05 A(NC) 0.05 A(NO) |
| Ratings (DC): Inductive load | Rated voltage: 14 VDC / Inductive load: 4 A(NC) 4 A(NO) / Motor load: 3 A(NC) 3 A(NO) Rated voltage: 30 VDC / Inductive load: 2 A(NC) 2 A(NO) / Motor load: 1.5 A(NC) 1.5 A(NO) Rated voltage: 125 VDC / Inductive load: 0.4 A(NC) 0.4 A(NO) / Motor load: 0.1 A(NC) 0.1 A(NO) Rated voltage: 250 VDC / Inductive load: 0.2 A(NC) 0.2 A(NO) / Motor load: 0.05 A(NC) 0.05 A(NO) |
| Inrush current | NC: 30 A NO: 20 A |
| Conduit size | G1/2 |
| Ambient temperature | Operating: -40 to 100 ℃ |
| Ambient humidity | Operating: 35 to 95% |
| Permissible operating speed | 1 mm/s to 2 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 each terminal of the same polarities: 100 MΩ Between live-metallic part and ground: 100 MΩ Between each terminal and non-live-metallic part: 100 MΩ (at 500 VDC Megger) |
| Dielectric strength | Between each terminal of the same polarities: 1000 V Between live-metallic part and ground: 2200 V Between each terminal and non-live-metallic part: 2200 V (50/60 Hz for 1 min) |
| Durability (Mechanically) | 30,000,000 operations Min. (No load) (Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
| Durability (Electrically) | 750,000 operations Min. (Resistive load 5 A at 125 VAC) (Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
| Vibration resistance (Malfunction) | Vibration frequency range: 10 to 55 Hz, Double amplitude: 1.5 mm, Contact opening: 1 ms Max. at the free position and the total travel position. |
| Shock resistance （Destruction） | 1,000 m/s2 |
| Shock resistance （Malfunction） | Contact opening is 1 ms Max. at the free position and the total travel position at 300 m/s2. |
| Degree of protection | IEC60529 (JEM): IP67 NEMA250: Type3, 4, 4X, 6P, 13 |
| Mounting specification | Front mounting Back mounting |
| Operating Force （OF） | Standard value Max. 0.39 N.m |
|---|---|
| Pre-Travel （PT） | Standard value 65 DEG Max. |
| Over-Travel （OT） | Standard value 20 DEG Min. |
| Movement Differential （MD） | Standard value 35 DEG Max. / Average value 30 DEG Max. |
As of August 8, 2016
- Mounting holes
As of August 8, 2016
As of August 8, 2016
- Circuits configuration
As of August 8, 2016
As of August 8, 2016
- Durability
As of August 8, 2016
Electrical durability curve
As of August 8, 2016
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