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| Shape / Structure | General-purpose Limit switches |
|---|---|
| service life | General type |
| Operating mechanism | Snap action |
| Actuator | Rotating lever |
| Operation type | Simultaneous operation type |
| Frequency | 50/60 Hz |
| Leakage current | Approx. 1.4 mA |
| Switching mechanism | Self-reset mechanism |
| Contact configuration | 4-circuit double break type |
| Contact form | 2a2b |
| Load | General load |
| Ratings (DC): Non-Inductive load | Rated voltage: 48 VDC, Resistive load: 1 A (NC) |
| Explanation | The above values indicate the steady-state current. |
| Inrush current | NC: 30 A NO: 20 A |
| Indicator | LED (Possible to change between Light when operating and Light when not operating.) Voltage: 48 VDC Leakage current: Approx. 1.4 mA |
| Conduit size | G1/2 |
| Ambient temperature | Operating: -40 CEL to 100 CEL (with no icing or condensation) |
| Ambient humidity | Operating: 35%RH to 95%RH (with no icing or condensation) |
| 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 m Ohm Max. (Initial value) (Measuring method is contact resistance meter.) |
| Insulation resistance | Between live-metallic part and ground: 100 M Ohm Min. Between each terminal and non-live-metallic part: 100 M Ohm Min. (Condition, at 500 VDC Megger) |
| Dielectric strength | Between live-metallic part and ground: 1,500 VAC Between each terminal and non-live-metallic part: 1,500 VAC (Condition, 50/60 Hz for 1 min) |
| Durability (Mechanically) | 30,000,000 operations Min. (No load) (Temperature, Humidityconditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
| Durability (Electrically) | 750,000 operations Min. (Resistive load 1 A at 48 VDC) (Temperature, Humidityconditions: 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 |
| Mounting specification | Front mounting, Back mounting |
| Operating Force (OF) | Standard value 0.39 N.m Max. |
|---|---|
| Release Force (RF) | Standard value 0.05 N.m Min. |
| Pre-Travel (PT) | Standard value 15 DEG Max. Average value 12 DEG Max. |
| Over-Travel (OT) | Standard value 70 DEG Min. |
| Movement Differential (MD) | Standard value 7 DEG Max. Average value 6 DEG Max. |
Precautions for correct use:
This switch does not provide an actuator. Select an actuator and put it on the switch.
As of March 1, 2008
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