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參數資料
| 型號： | KWHERABC |
| 廠商： | THE CHERRY CORP |
| 元件分類： | 開關 |
| 英文描述： | SNAP ACTING/LIMIT SWITCH, SPST, MOMENTARY, 5.42mm, PANEL MOUNT |
| 文件頁數： | 1/2頁 |
| 文件大小： | 113K |
| 代理商： | KWHERABC |
MINIATURE
K Series
Flame retardant, UL94V-O
self-extinguishing
case and cover
Long-life snap action
switch mechanism
ARC-resistant case
has internal barriers,
4mm minimum between
live parts and external
hardware
NC terminal
NO terminal
Common terminal
Single or double throw, either
normally open or normally closed
Choice of U.S. (#4 screw)
or metric (3mm screw)
Features
Choice of current ratings up to 25 amps
Choice of actuators
Choice of terminals
3 contact arrangements
Choice of operating force
Long mechanical life
Wiping contact action
Snap over actuators
Agency approved extended life versions
International Approved Versions
K Series switches, except 25A (KWS), are
internationally approved. Switches with
straight terminals may require insulated
connectors for international approval.
Specifications
Electrical
Temperature Rating:
-40° to +85°C, 150°C or 200°C
Flammability Rating:
UL94V-O
Materials
Case/Cover:
Thermoplastic Polyester (85°C or 150°C)
Liquid Crystal Polymer (200°C)
Button:
Thermoplastic Acetal (85°C)
Thermoplastic Polyester (150°C)
Liquid Crystal Polymer (200°C)
Auxiliary Actuator:
Cold-Rolled Steel (Nickel-Plated)
Terminals:
Brass
Copper (25 amp only)
Moving Blade:
Beryllium Copper
Contacts:
Silver Alloy (except KWA and KWB — Gold-Plated)
Electrical Ratings
Electrical Life at Rated Load
Switch
According to VDE
According to UL
Series
EN61058 Rating
UL1054 Rating
(Min. Operations)
KWA/KWB
50mA, 28VDC
50,000
100,000
KWC/KWD
1(0.5)A, 250VAC
1.0A, 125/250VAC
50,000
100,000
KWE/KWF
3(1)A, 250VAC
3A, 1/10HP, 125/250VAC
50,000
100,000
KWG/KWH
6(2)A, 250VAC
5A, 1/4HP, 125/250VAC
50,000
100,000
KWJ/KWK
10(3)A, 250VAC
10A, 1/2HP, 125/250VAC
50,000
100,000
KWL
N/A
15.1A, 1/2HP, 125/250 VAC
N/A
100,000
5A, 125VAC Lamp Load (85°C only)
0.5A, 125VDC (85°C only)
0.25A, 250VDC (85°C only)
KWM
16(4)A, 250VAC
15.1A, 1/2HP, 125/250VAC
50,000
100,000
0.5A, 125VDC (85°C and 150°C only)
0.25A, 250VDC (85°C and 150°C only)
15.1A, 1/2HP, 125/250VAC (200°C only)
KWS
N/A
25A, 125/250VAC (85°C only)
N/A
100,000
1HP, 125VAC (85°C only)
2HP, 250VAC (85°C only)
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