Building Automation
Industrial Automation
Power Automation & Safety
Bangladesh Distributor
WLG2-55LE
Two-circuit Limit Switch/Long-life Two-circuit Limit Switch
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High sensitivity, IP67 Airtight built-in switch, Snap action, Self-reset mechanism, 2-circuit double break type, SPST-NO / SPST-NC, Roller lever(38 R)
| Shape/Structure |
General-purpose Limit switches |
|---|---|
| Actuator |
Roller lever Over travel 80 DEG High sensitivity 17.5 dia. * 7 Sintered stainless steel roller 38 R |
| Contact configuration |
2-circuit double break type |
| Load |
General load |
| Degree of protection |
Airtight built-in switch 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 | Roller lever Over travel 80 DEG High sensitivity 17.5 dia. * 7 Sintered stainless steel roller 38 R |
| Frequency | 50/60 Hz |
| Leakage current | Approx. 0.6 to 1.9 mA |
| Switching mechanism | Self-reset mechanism |
| Contact configuration | 2-circuit double break type |
| Contact form | SPST-NO / SPST-NC |
| Load | General load |
| Ratings (AC): Non-Inductive load | Rated voltage: 125 VAC / Resistive load: 5 A(NC) 5 A(NO) Rated voltage: 250 VAC / Resistive load: 5 A(NC) 5 A(NO) |
| Inrush current | NC: 15 A NO: 10 A |
| Indicator | Neon lump (Possible to change between Light when operating and Light when not operating.) Voltage: 125 to 250 VAC Leakage current: Approx. 0.6 to 1.9 mA |
| 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 m/s |
|---|---|
| Permissible operating frequency （Mechanically） | 120 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: null MΩ Between each terminal and non-live-metallic part: null MΩ (at 500 VDC Megger Without Neon lamp) |
| Dielectric strength | Between live-metallic part and ground: null V Between each terminal and non-live-metallic part: null V (50/60 Hz for 1 min Without Neon lamp) |
| Durability (Mechanically) | 10,000,000 operations Min. (No load) (Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
| Durability (Electrically) | 500,000 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 | Airtight built-in switch IEC60529 (JEM): IP67 NEMA250: Type3, 4, 13 |
| Mounting specification | Front mounting Back mounting |
| Operating Force （OF） | Standard value Max. 9.81 N |
|---|---|
| Release Force （RF） | Standard value Min. 0.98 N |
| Pre-Travel （PT） | Standard value 10 -1/+2DEG |
| Over-Travel （OT） | Standard value 65 DEG Min. |
| Movement Differential （MD） | Standard value 7 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
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