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Ratings / Performance
| Shape / Structure | General-purpose Limit switches |
|---|---|
| service life | General type |
| Operating mechanism | Snap action |
| Actuator | Adjustable roller lever (Over travel 90 DEG, One-side operation, 17.5 dia. * 7, Sintered stainless steel roller, 25 to 89 R) |
| Frequency | 50/60 Hz |
| Switching mechanism | Self-reset mechanism |
| Contact configuration | 2-circuit double break type |
| Contact form | 1a1b |
| 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) |
| Explanation | The above values indicate the steady-state current. |
| Conduit size | G1/2 |
| Earth terminal | Without ground terminal |
| Ambient temperature | Operating: -10 CEL to 80 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 1 m/s |
|---|---|
| Permissible operating frequency (Mechanically) | 120 operations / 1 minute Max. |
| Permissible operating frequency (Electrically) | 30 operations / 1 minute Max. |
| Contact resistance | 50 m Ohm Max. (Initial value) (Measuring method is contact resistance meter.) |
| Insulation resistance | Between each terminal of the same polarities: 100 M Ohm Min. Between live-metallic part and ground: 100 M Ohm Min. Between each terminal and non-live-metallic part: 100 M Ohm Min. (at 500 VDC Megger) |
| Dielectric strength | Between each terminal of the same polarities: 600 VAC Between live-metallic part and ground: 1,500 VAC Between each terminal and non-live-metallic part: 1,500 VAC (50/60 Hz for 1 min) |
| Durability (Mechanically) | 15,000,000 operations Min. (No load) (Temperature, Humidityconditions: 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, 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 200 m/s2. |
| Degree of protection | IEC60529 (JEM): IP67 NEMA250: Type3,4,13 |
| Applicable standard (UL) | Standard No.: UL508 File number: E76675 |
| Applicable standard (CSA) | Standard No.: C22.2 NO.14 File number: LR45746 |
| Applicable standard (CCC(CQC)) | Standard No.: GB14048.5 File number: 2003010305032365 |
| Mounting specification | Front mounting, Back mounting, Side mounting |
| Operating Force (OF) | Standard value 9.61 N Max. |
|---|---|
| Release Force (RF) | Standard value 1.18 N Min. |
| Pre-Travel (PT) | Standard value 20 DEG Max. |
| Over-Travel (OT) | Standard value 70 DEG Min. |
| Movement Differential (MD) | Standard value 10 DEG Max. |
| Condition of operating characteristics | When the rod length is 38 mm |
As of March 1, 2008
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