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參數(shù)資料
| 型號： | E28-50K |
| 廠商： | THE CHERRY CORP |
| 元件分類： | 開關(guān) |
| 英文描述： | SNAP ACTING/LIMIT SWITCH, DPST, MOMENTARY, 17.05mm, PANEL MOUNT |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 3183K |
| 代理商： | E28-50K |
GENERAL PURPOSE — SINGLE & DOUBLE POLE
E Series
Features
5 current ratings
Choice of actuator styles
3 terminal types (optional screw
terminals available — consult factory)
3 contact arrangements
Long-life coil spring mechanism
High-temperature 150°C and 200°C
available on select models (consult factory)
Specifications
Electrical
Temperature Rating:
105°C Std. (150°C and 200°C optional — E13, E14, E19, E20, G13)
85°C Std. (E28 and E29), 85°C Std. (150°C optional) E25
Flammability Rating:
UL94HB
Materials
Case:
General Purpose Phenolic
Actuating Button:
Thermoplastic Nylon
Common Terminals:
Brass (E13, E19, E19A, G13, G20), Silver-Plated Brass (E14, E20),
Silver-Plated Copper (E28, E29, E30)
NO and NC Terminals:
Brass (E13, E19, E19A, G13, G20)
Copper (E14, E20, E28, E29, E30)
Moving Blade:
Brass (E13, E19, E19A, G13, G20)
Silver-Plated Beryllium Copper (E14, E20, E28, E29, E30)
Spring:
Stainless Steel
Auxiliary Actuators:
Cold-Rolled Steel (Nickel-Plated)
Roller:
Sintered Stainless Steel
Contacts:
Gold Crosspoint (G13, G20, E19A)
Silver-Cadmium Oxide (E13, E14, E19, E19A, E20, E28, E29, E30)
Silver Alloy (E19A, E29, E30)
Electrical Ratings
Electrical Life at Rated Load
Switch
According to VDE
According to UL
Series
EN61058 Rating
UL1054 Rating
(Min. Operations)
E13/E19
N/A
15A, 125/250VAC; 3/4HP, 125VAC
N/A
6,000*
1-1/2HP, 250VAC; 2A, 48 VDC (E13 Only)**
E19A
N/A
15A, 125/250VAC; 3/4HP, 125VAC; 1-1/2HP, 250VAC
N/A
6,000
(mixed ratings)
0.1A, 125VAC
E14/E25
N/A
25A, 125/250VAC; 1HP, 125VAC
N/A
6,000
2HP, 250VAC; 2A, 48VDC (E14 Only)**
E20
N/A
20A, 125/250VAC; 1HP, 125VAC
N/A
6,000
2HP, 250VAC
E28/E29
N/A
30.1A, 125/250/277VAC
N/A
6,000
(UL Approved Only — Resistive Load Only)
E30
N/A
30.1A, 125/250VAC; 1HP, 125VAC
N/A
6,000
2HP, 250VAC (UL Only)
G13/G20
N/A
0.1A, 125VAC
N/A
6,000*
0.1A, 30VDC (G13 Only)
*Indicates 100K life available.
**100K Hi-temp not available
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