Safety Limit Switch
Shape/Structure |
Safety limit switches |
---|---|
Actuator |
Adjustable roller lever 19 dia. * 7 Nylon roller 25 to 89 R |
Load |
General load |
Degree of protection |
IEC60529 (JEM): IP67 NEMA250: Type3, 4, 4X, 6P, 13 |
As of August 8, 2016
Shape/Structure | Safety limit switches |
---|---|
Service life | General type |
Operating mechanism | Snap action |
Actuator | Adjustable roller lever 19 dia. * 7 Nylon roller 25 to 89 R |
Frequency | 50/60 Hz |
Switching mechanism | Self-reset mechanism |
Contact form | 1NC / 1NO |
Load | General load |
Inrush current | NC: 30 A NO: 20 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) |
Conduit size | G1/2 (PF1/2) |
Number of conduit | 1 |
Earth terminal | With ground terminal |
Ambient temperature | Operating: -40 to 80 ℃ |
Ambient humidity | 使用時: 95%以下 |
Permissible operating speed | 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 | 25 mOhm Max. (Initial value) (Measuring method is contact resistance meter.) |
Insulation resistance | Between each terminal of the same polarities: 100 MΩ Between live-metallic part and ground: 100 MΩ Between each terminal and non-live-metallic part: 100 MΩ (at 500 VDC Megger) |
Dielectric strength | Between each terminal of the same polarities: 2100 V Between live-metallic part and ground: 4380 V Between each terminal and non-live-metallic part: 4380 V (VAC. r.m.s.) |
Durability (Mechanically) | 30,000,000 operations Min. (No load) (Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH) |
Durability (Electrically) | 500,000 operations Min. (Resistive load 10 A at 250 VAC) (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 300 m/s2. |
Degree of protection | IEC60529 (JEM): IP67 NEMA250: Type3, 4, 4X, 6P, 13 |
Mounting specification | Front mounting |
Operating Force (OF) | Standard value Max. 9.41 N |
---|---|
Release Force (RF) | Standard value Min. 1.47 N |
Pre-Travel (PT) | Standard value 21 +/- 3 DEG |
Over-Travel (OT) | Standard value 50 DEG Min. |
Movement Differential (MD) | Standard value 12 DEG Max. |
Total Travel (TT) | Reference value 75 DEG |
Condition of operating characteristics | When the lever length is 31.5 mm |
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
As of August 8, 2016
Electrical durability curve
As of August 8, 2016
about this Product