General-purpose Limit Switch
Image
Shape/Structure |
General-purpose Limit switches |
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Actuator |
Top plunger |
Operation type |
Simultaneous operation type |
Operating mechanism |
Snap action |
Contact form |
DPST-NO/DPST-NC |
Degree of protection |
IP67 NEMA Type1, 2, 3, 4, 4X, 5, 6P, 12, 13 |
As of April 9, 2020
Shape/Structure | General-purpose Limit switches |
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Operating mechanism | Snap action |
Operation type | Simultaneous operation type |
ctuator | Top plunger 11 dia. x 5 Stainless steel roller Roller |
Frequency | 50/60 Hz |
Contact configuration | 4-circuit double break type |
Contact form | DPST-NO/DPST-NC |
Load | General load |
Ratings (AC): Non-Inductive load | Resistive load: 5 A at 125 VAC/3 A at 250 VAC/1.5 A at 480 VAC/1 A at 600 VAC Lamp load: 2 A at 125 VAC/1 A at 250 VAC/0.5 A at 480 VAC/0.4A at 600 VAC Inductive load: 4 A at 125 VAC/2 A at 250 VAC/1 A at 480 VAC/0.7 A at 600 VAC Motor load: 3 A at 125 VAC/1.5 A at 250 VAC/0.8 A at 480 VAC/0.5 A at 600 VAC |
Ratings (DC): Non-Inductive load | Resistive load: 5 A at 14 VDC/3 A at 30 VDC/0.4 A at 125 VDC/0.2 A at 250 VDC Lamp load: 2 A at 14 VDC/1 A at 30 VDC/0.1 A at 125 VDC/0.05 A at 250 VDC Inductive load: 4 A at 14 VDC/2 A at 30 VDC/0.4 A at 125 VDC/0.2 A at 250 VDC Motor load: 3 A at 14 VDC/1.5 A at 30 VDC/0.1 A at 125 VDC/0.05 A at 250 VDC |
Inrush current | NC: 30 A max. NO: 20 A max. |
Conduit | G1/2 |
Ambient temperature | Operating: -20 to 100 ℃ |
Ambient humidity | 35 to 95% RH (with no icing) |
Permissible operating frequency | Electrical: 30 operations / 1 minute max. Mechanical: 300 operations / 1 min max. |
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Contact resistance (Initial value) | 25 mΩ max. |
Insulation resistance | Between each terminal of the same polarities: 100 MΩ min. Between live-metallic part and ground: 100 MΩ min. Between each terminal and non-live-metallic part: 100 MΩ min. at 500 VDC |
Dielectric strength | Between each terminal of the same polarities: 1,000 VAC 50/60 Hz 1 min Between live-metallic part and ground: 2,200 VAC 50/60 Hz 1 min Between each terminal and non-live-metallic part: 2,200 VAC 50/60 Hz 1 min |
Durability | Electrical: 750,000 operations min. (5 A at 125 VAC) |
Vibration resistance | Malfunction: 10 to 55 Hz, 1.5 mm double amplitude |
Shock resistance | Destruction: 1,000 m/s2 max. |
Pollution degree | 3 |
Degree of protection | IP67 NEMA Type1, 2, 3, 4, 4X, 5, 6P, 12, 13 |
Classification of protection against electric shock | Class I (with ground terminal) |
Operating Force (OF) | Standard value 17.65 N max. |
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Release Force (RF) | Standard value 4.90 N min. |
Pre-Travel (PT) | Standard value 1.6 mm max. |
Movement Differential (MD) | Standard value 1.0 mm max. |
Over-Travel (OT) | Standard value 5.1 mm min. |
Operating Position (OP) | Standard value 56±0.8 mm |
As of April 9, 2020
As of April 9, 2020
As of April 9, 2020
As of April 9, 2020
Durability curve
Electrical
As of April 9, 2020