Building Automation
Industrial Automation
Power Automation & Safety
Bangladesh Distributor
WL01D28
Two-circuit Limit Switch/Long-life Two-circuit Limit Switch
Image
Standard sensitivity, IP67, Snap action, Self-reset mechanism, 2-circuit double break type, SPST-NO / SPST-NC, Sealed top roller plunger
| Shape/Structure |
General-purpose Limit switches |
|---|---|
| Actuator |
Sealed top roller plunger 11.2 dia. * 5 Sintered stainless steel roller |
| Contact configuration |
2-circuit double break type |
| Load |
Micro load |
| Degree of protection |
IEC60529 (JEM): IP67 NEMA250: Type3, 4, 13 |
- Ratings / Performance
As of August 8, 2016
| Shape/Structure | General-purpose Limit switches |
|---|---|
| Service life | General type |
| Operating mechanism | Snap action |
| Actuator | Sealed top roller plunger 11.2 dia. * 5 Sintered stainless steel roller |
| Frequency | 50/60 Hz |
| Switching mechanism | Self-reset mechanism |
| Contact configuration | 2-circuit double break type |
| Contact form | SPST-NO / SPST-NC |
| Load | Micro load |
| Ratings (AC): Non-Inductive load | Rated voltage: 125 VAC / Resistive load: 0.1 A(NC) 0.1 A(NO) |
| Ratings (DC): Non-Inductive load | Rated voltage: 8 VDC / Resistive load: 0.1 A(NC) 0.1 A(NO) Rated voltage: 14 VDC / Resistive load: 0.1 A(NC) 0.1 A(NO) Rated voltage: 30 VDC / Resistive load: 0.1 A(NC) 0.1 A(NO) |
| Conduit size | G1/2 |
| Earth terminal | Without ground terminal |
| Ambient temperature | Operating: -10 to 80 ℃ |
| Ambient humidity | Operating: 35 to 95% |
| Permissible operating speed | 1 mm/s to 0.5 m/s |
|---|---|
| Permissible operating frequency （Mechanically） | 120 operations / 1 minute Max. |
| Permissible operating frequency （Electrically） | 30 operations / 1 minute Max. |
| Contact resistance | 50 mOhm Max. (Initial value) (Measuring method is contact resistance meter.) |
| Insulation resistance | Between each terminal of the same polarities: null MΩ Between live-metallic part and ground: null MΩ Between each terminal and non-live-metallic part: null MΩ (at 500 VDC Megger) |
| Dielectric strength | Between each terminal of the same polarities: null V Between live-metallic part and ground: null V Between each terminal and non-live-metallic part: null V (50/60 Hz for 1 min) |
| Durability (Mechanically) | 15,000,000 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 0.1 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 200 m/s2. |
| Degree of protection | IEC60529 (JEM): IP67 NEMA250: Type3, 4, 13 |
| Mounting specification | Front mounting Back mounting |
| Operating Force （OF） | Standard value Max. 16.67 N |
|---|---|
| Release Force （RF） | Standard value Min. 4.41 N |
| Pre-Travel （PT） | Standard value 1.7 mm Max. |
| Over-Travel （OT） | Standard value 5.6 mm Min. |
| Movement Differential （MD） | Standard value 1 mm Max. |
| Operating Position （OP） | Standard value 44.5 +/- 0.8 mm |
| Operating limit position （TTP） | Standard value 39.5 mm 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
- Applicable load diagram
As of August 8, 2016
As of August 8, 2016
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