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The limit switch built-in 2 circuit both edge basic switch in diecasting case. |
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Very solid design with high mechanical strength, heat resistance, oil resistance, |
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vibration-resistance and water-resistance. |
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Various types of roller, lever, lot lever, push types etc., and easy maintenance of operation verifiable lamp |
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type. |
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IP : 56 | | |
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Protective structure against slag and metal piece dispersed from welding/melting in welding line of arc |
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welding etc. |
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Lamp cover of heat resistant resin. |
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Minimized bad operating due to penetration of power and other particles by use of |
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protection CAP between head and lever. |
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Strengthened lever endurance by use of high strength aluminum diecasting material. | | |
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For various fields such as many kinds of machine tools, automatic controller etc. | | |
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Item |
Performance |
Insulation resistance |
above 100 ㏁ (DC 500V, Meg) |
Contact resistance |
below 20m Ω (initial value) |
Withstand voltage |
AC 1,500V/min (50 ~ 60 Hz) |
Withstand vibration |
10 ~ 55Hz, double amplitude 1.5mm |
WIthstand impact
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above 30G (300 ㎨ ) |
Lifetime |
mechanical |
switching freq : 20times/min. about 1 million times |
electrical |
switching freq : 20times/min. about 100,000 times |
Ambient temperature |
-10 ~ +55 ℃ |
Relative humidity |
45 ~ 85% |
Weight |
above 300g ~315g | | |
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Classified Type |
Shape |
Designation |
Max. lever operating angle |
Roller lever type |
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YS511RL |
left/right 90 ° , 45 ° |
Both lever suspending type |
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YS512RL |
left/right 90 ° |
Roller adjusting lever type |
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YS513RL |
left/right 90 ° , 45 ° |
Lot spring lever type |
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YS513SL |
left/right 90 ° , 45 ° |
Lot adjusting lever type |
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YS515L |
left/right 90 ° , 45 ° |
Push plunger type |
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YS516P |
top, bottom |
Top ball type |
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YS516PB |
top, bottom |
Roller plunger type |
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YS517RP |
top, bottom |
Coil spring type |
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YS518S |
(non-directional) |
Large roller lever type |
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YS519RL |
(left/right) 90¡Æ | | |
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Part |
Materials |
Body |
Zn alloy diecasting |
Actuator |
Roller |
Stainless steel |
Lever |
Aluminum alloy diecasting |
CAM |
SUM 24L |
Plunger |
SUM 24L |
Built-in switch body |
Thermosetting phenol resin |
Terminal |
Brass |
Contact |
Silver-cadmium oxide alloy | | |
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Rating voltage(V) |
Non-inductive load(A) |
Inductive load(A) |
resistance load (cos¨ª=1) |
lamp load |
Inductive load (cos¨ª=0.4, L/R=7ms) |
motor load |
normally closed |
normally open |
normally closed |
normally open |
normally closed |
normally open |
normally closed |
normally open |
AC 125 250 250 |
10 10 10 |
10 10 10 |
3 2 1.5 |
1.5 1 0.5 |
10 10 3 |
5 3 1.5 |
2.5 1.5 0.8 |
DC 8 14 30 125 250 |
10 10 6 0.8 0.4 |
6 6 4 0.2 0.1 |
3 3 3 0.2 0.1 |
10 10 6 0.8 0.4 |
6 6 4 0.2 0.1 | |
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¡Ø (Note) - |
1. Above values indicate normal current. |
2. Inductive load is above 0.4 of induction ratio(AC), and below 7ms of time constant(DC). |
3. Rush current of 10 times occurs in lamp load. |
4. Rush current of 6 times occurs in motor load. | |
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