Two-circuit Limit Switch/Long-life Two-circuit Limit Switch
Shape/Structure |
General-purpose Limit switches |
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Actuator |
Roller lever High accuracy 17.5 dia. * 7 Sintered stainless steel roller 38 R |
Contact configuration |
2-circuit double break type |
Load |
General load |
Degree of protection |
Heat-resistant type IEC60529 (JEM): IP67 NEMA250: Type3, 4, 13 |
As of August 8, 2016
Shape/Structure | General-purpose Limit switches |
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Service life | General type |
Operating mechanism | Snap action |
Actuator | Roller lever High accuracy 17.5 dia. * 7 Sintered stainless steel roller 38 R |
Frequency | 50/60 Hz |
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) Rated voltage: 500 VAC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 1.5 A(NC) 0.8 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) Rated voltage: 500 VAC / Inductive load: 3 A(NC) 3 A(NO) / Motor load: 1.5 A(NC) 0.8 A(NO) |
Ratings (DC): Non-Inductive load | Rated voltage: 8 VDC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 6 A(NC) 3 A(NO) Rated voltage: 14 VDC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 6 A(NC) 3 A(NO) Rated voltage: 30 VDC / Resistive load: 6 A(NC) 6 A(NO) / Lamp load: 4 A(NC) 3 A(NO) Rated voltage: 125 VDC / Resistive load: 0.8 A(NC) 0.8 A(NO) / Lamp load: 0.2 A(NC) 0.2 A(NO) Rated voltage: 250 VDC / Resistive load: 0.4 A(NC) 0.4 A(NO) / Lamp load: 0.1 A(NC) 0.1 A(NO) |
Ratings (DC): Inductive load | Rated voltage: 8 VDC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 6 A(NC) 6 A(NO) Rated voltage: 14 VDC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 6 A(NC) 6 A(NO) Rated voltage: 30 VDC / Inductive load: 6 A(NC) 6 A(NO) / Motor load: 4 A(NC) 4 A(NO) Rated voltage: 125 VDC / Inductive load: 0.8 A(NC) 0.8 A(NO) / Motor load: 0.2 A(NC) 0.2 A(NO) Rated voltage: 250 VDC / Inductive load: 0.4 A(NC) 0.4 A(NO) / Motor load: 0.1 A(NC) 0.1 A(NO) |
Inrush current | NC: 30 A NO: 20 A |
Conduit size | G1/2 |
Earth terminal | Without ground terminal |
Ambient temperature | Operating: 5 to 120 ℃ |
Ambient humidity | Operating: 35 to 95% |
Permissible operating speed | 1 mm/s to 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 each terminal of the same polarities: null MΩ Between live-metallic part and ground: null MΩ Between each terminal and non-live-metallic part: null MΩ (at 500 VDC Megger) |
Dielectric strength | Between each terminal of the same polarities: null V Between live-metallic part and ground: null V Between each terminal and non-live-metallic part: null V (50/60 Hz for 1 min) |
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 | Heat-resistant type IEC60529 (JEM): IP67 NEMA250: Type3, 4, 13 |
Mounting specification | Front mounting Back mounting |
Operating Force (OF) | Standard value Max. 13.34 N |
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Release Force (RF) | Standard value Min. 1.47 N |
Pre-Travel (PT) | Standard value 5 -0/+2DEG |
Over-Travel (OT) | Standard value 40 DEG Min. |
Movement Differential (MD) | Standard value 3 DEG Max. |
As of August 8, 2016
As of August 8, 2016
As of August 8, 2016
As of August 8, 2016
As of August 8, 2016
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