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Researched & Developed with various standard for wide operating of device. |
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With various circuit formation which is Cam Switch's key part, can be perfectly applied |
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to all kinds of devices. (refer to separate circuit collection.) |
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Improved production quality according to standardization circuit through strict testing. |
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Approved the quality by passing the KERI's R & D Test in 1985/11, Cam Switch has |
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recorded many delivery results in Korea Electric Power Corporation. | | |
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closed position (ON) |
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open position (OFF) |
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interval of closed position |
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residual contact |
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mark of DC 20A magnet inserting contact | | |
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Please note 2 contacts all will be close or open state if handle angle turns 180 ° as 2 |
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contacts(4terminals) built-in Cam Switch are arranged in contrast to cam. | |
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ex |
90° transfer 3 stages |
60° transfer 4 stages |
45° transfer 5 stages |
30° transfer 7 stages |
Circuit Diagram |
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Built-in cam and contact, handle position(example of 90 ° , 3stages) | | |
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Handle Position
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Contact & Cam
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Part |
Materials |
Body |
Heat resistance ABS Resin |
C A M |
Acetal Resin |
Contact |
Silver-cadmuim oxide alloy |
Terminal |
Brass |
Bolt |
MSWR-3 |
Spring |
Stainless steel |
Handle |
66nylon Resin (R · E Type), Phenol (O · C Type), ABS Resin (P · G Type) | |
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Item |
Performance |
Lifetime |
mechanical |
above 500,000 times (switching freq : 20times/min.) |
electrical |
above 100,000 times (switching freq : 20times/min.) |
Insulation resistance |
above 100 ㏁ (DC 500V. Meg) |
Contact resistance |
below 20m Ω (intial value) |
Withstand voltage |
AC 2,500V/min (50~60Hz) |
Withstand vibration |
10~55Hz, double amplitude 1.5mm |
WIthstand impact |
about 30G (300 ㎨ ) |
Operating force |
560g |
Ambient temperature |
-5 ~ +40 ℃ |
Relative humidity |
45 ~ 85% | | |
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Contact part spec. |
AC |
rating voltage |
25V |
250V |
440V |
rating current |
15A |
10A |
3A |
breaking current |
Closed breaking=rating current x2.2 |
DC
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rating voltage |
24A |
110V |
220V |
resistance |
rating current |
10A |
5A |
3A |
breaking current |
Closed breaking=rating current x1.1 |
induction |
rating current |
5A |
1.2A |
0.45A |
breaking current |
Closed breaking=rating current x1.1
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rating conductive current |
20A |
angle |
refer to handle position standard sample diagram | | |
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10A |
20A, 30A |
Manual Return Type |
12 Block |
15Block |
Automatic Return Type |
5 Block |
(5Block) |
Handle suspending Type |
Composite Return Type |
5 Block |
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Contact Block |
Connection Terminal |
Horizontal Type |
Vertical Type |
AC 5A |
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AC 10A |
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AC 20A |
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AC 30A |
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Handle for switch attachment is chosen depending on applications for transfer, adjusting, operating etc. |
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Handle colors are 2 types of black and red, and black is standard. | | |
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R type : hrysanthemum | |
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E type : Egg | |
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O type : Compass | |
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C type : Small Compass | |
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P type : Pistol | |
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G type : Small Pistol | |
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T type | |
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D type | | | |
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60 TYPE | |
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B TYPE | |
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C TYPE | |
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D TYPE | | |
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A TYPE | |
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3 TYPE | |
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I TYPE | |
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G TYPE | | |
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H TYPE | |
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