Shape / Structure | General-purpose Limit switches |
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service life | General type |
Operating mechanism | Snap action |
Actuator | Roller lever (Over travel 90 DEG, 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: 10 A (NC) 10 A (NO), Lamp load: 3 A (NC) 1.5 A (NO) Rated voltage: 250 VAC, Resistive load: 10 A (NC) 10 A (NO), Lamp load: 2 A (NC) 1 A (NO) |
Ratings (AC): Inductive load |
Rated voltage: 125 VAC, Inductive load: 10 A (NC) 10 A (NO), Motor load: 5 A (NC) 2.5 A (NO) Rated voltage: 250 VAC, Inductive load: 10 A (NC) 10 A (NO), Motor load: 3 A (NC) 1.5 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). Motor load has an inrush current of 6 times the steady-state current. |
Inrush current |
NC: 30 A NO: 20 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 CEL (with no icing or condensation) |
Ambient humidity |
Operating: 35 to 95%RH (with no icing or condensation) |
Permissible operating speed | 1 mm/s to 1 m/s |
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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: 100 MOhm Min. Between each terminal and non-live-metallic part: 100 MOhm Min. (Without Neon lamp, at 500 VDC Megger) |
Dielectric strength |
Between live-metallic part and ground: 2,200 VAC Between each terminal and non-live-metallic part: 2,200 VAC (50/60 Hz for 1 min, Without Neon lamp) |
Durability (Mechanically) |
15,000,000 operations Min. (No load) (Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
Durability (Electrically) |
750,000 operations Min. (Resistive load 10 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 |
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: 2004010305128675 |
Mounting specification | Front mounting, Back mounting, Side mounting |
Weight | Approx. 240 g |
Operating Force (OF) | Standard value 8.83 N Max. |
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Release Force (RF) | Standard value 0.49 N Min. |
Pre-Travel (PT) | Standard value 25 +/- 5 DEG |
Over-Travel (OT) | Standard value 60 DEG Min. |
Movement Differential (MD) | Standard value 16 DEG Max. |
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