| Shape / Structure | General-purpose Limit switches |
|---|---|
| service life | General type |
| Operating mechanism | Snap action |
| Actuator | Roller plunger (12 dia. * 5, Sintered stainless steel roller) |
| Electrical ratings | 4 A at 30 VDC |
| Frequency | 50/60 Hz |
| Leakage current | Approx. 1.7 mA |
| Switching mechanism | Self-reset mechanism |
| Contact configuration | Single-Pole, Double-Throw type |
| Contact form | SPDT |
| Load | General load |
| Ratings (DC): Non-Inductive load | Rated voltage: 30 VDC, Resistive load: 4 A (NC) 4 A (NO), Lamp load: 2 A (NC) 2 A (NO) |
| Ratings (DC): Inductive load | Rated voltage: 30 VDC, Inductive load: 3 A (NC) 3 A (NO), Motor load: 3 A (NC) 3 A (NO) |
| Explanation | The above values indicate the steady-state current. Lamp load has an inrush current of 10 times the steady-state current. Inductive load has a power factor of 0.4 Min. (AC) and a time constant of 7 ms Max. (DC). Motor load has an inrush current of 6 times the steady-state current. |
| Inrush current |
NC: 20 A NO: 10 A |
| Protective circuit |
Classification of protection against electric shock: Class I (with ground terminal) Short-circuit protective device: 10 A fuse type gI or gG (IEC269) |
| Indicator |
LED (Light when not operating) Voltage: 30 VDC Leakage current: Approx. 1.7 mA |
| Earth terminal | With ground terminal |
| Cable specifications |
VCTF oil-resistant cable, 4 cores (Cable length: 5 m) Diameter: 7.6 mm |
| Ambient temperature |
Operating: -10 to 70 CEL (with no icing or condensation) |
| Ambient humidity |
Operating: 35 to 95%RH (with no icing or condensation) |
| Permissible operating speed | 0.1 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 |
400 mOhm Max. (Initial value) * Including the resistance of cable. (Measuring method is contact resistance meter.) |
| Insulation resistance |
Between each terminal of the same polarities: 100 MOhm Min. Between live-metallic part and ground: 100 MOhm Min. Between each terminal and non-live-metallic part: 100 MOhm Min. (Without LED, at 500 VDC Megger) |
| Dielectric strength |
Between each terminal of the same polarities: 1,000 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, Without LED) |
| Durability (Mechanically) |
10,000,000 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 1 A at 30 VDC) (Temperature, Humidity conditions: 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 500 m/s2. |
| Degree of protection | IEC60529 (JEM): IP67 |
| Applicable standard (TUV) |
Standard No.: EN60947-5-1 File number: B061139656127 |
| Applicable standard (EC Directive (Low Voltage Directive) ) | 2006/95/EC |
| Mounting specification | Front mounting |
| Operating Force (OF) | Standard value 11.77 N Max. |
|---|---|
| Release Force (RF) | Standard value 4.41 N Min. |
| Pre-Travel (PT) | Standard value 1.8 mm Max. |
| Over-Travel (OT) | Standard value 3 mm Min. |
| Movement Differential (MD) | Standard value 0.2 mm Max. |
| Operating Position (OP) |
Standard value 28.5 +/- 1 mm |


This website uses cookies (Learn more) and has a privacy policy (Learn more).


