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Quick links OMRON IA Limit Switches in your country.
Please contact our European headquarters.
| 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. 0.5 mA |
| Switching mechanism | Self-reset mechanism |
| Contact configuration | 2-circuit double break type |
| Contact form | 1a1b |
| Load | General load |
| Ratings (DC): Non-Inductive load | Rated voltage: 12 VDC, Resistive load: 0.5 A (NC) 0.5 A (NO) Rated voltage: 24 VDC, Resistive load: 0.5 A (NC) 0.5 A (NO) Rated voltage: 48 VDC, Resistive load: 0.5 A (NC) 0.5 A (NO) Rated voltage: 115 VDC, Resistive load: 0.8 A (NC) 0.8 A (NO) |
| Explanation | The above values indicate the steady-state current. |
| Inrush current | NC: 3 A NO: 3 A |
| Protective circuit | Classification of protection against electric shock: Class III Short-circuit protective device: 10 A fuse type gI or gG (IEC269) |
| Indicator | LED (Possible to change between Light when operating and Light when not operating.) Voltage: Common use for AC/DC 10 to 115 V Leakage current: Approx. 0.5 mA |
| Conduit size | G1/2 |
| Earth terminal | Without ground terminal |
| Cable specifications | Oil-resistant cable, 4 cores (0.3 m) |
| 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 | 25 m Ohm Max. (Initial value) * Excluding the resistance of cable. (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) | 10,000,000 operations Min. (No load) (Temperature, Humidityconditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
| Durability (Electrically) | 500,000 operations Min. (Resistive load 0.4 A at 115 VDC) (Temperature, Humidityconditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
| Pollution degree | 3 (EN60947-5-1) |
| 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 |
| Applicable standard (UL) | Standard No.: UL508 File number: E76675 |
| Applicable standard (TUV) | Standard No.: EN60947-5-1 File number: J9950959 |
| Applicable standard (CCC(CQC)) | Standard No.: GB14048.5 File number: 2003010305032365 |
| Applicable standard (EC Directive (Low Voltage Directive)) | 2006/95/EC |
| Mounting specification | Front mounting, Back mounting |
| Operating Force (OF) | Standard value 9.81 N Max. |
|---|---|
| Release Force (RF) | Standard value 0.98 N Min. |
| Pre-Travel (PT) | Standard value 10 DEG (+2 DEG -1 DEG) |
| Over-Travel (OT) | Standard value 65 DEG Min. |
| Movement Differential (MD) | Standard value 7 DEG Max. |
As of March 1, 2008