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參數資料
| 型號： | PL4WGN-23 |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 開關 |
| 英文描述： | SNAP ACTING/LIMIT SWITCH, DPST, MOMENTARY, 1.5A, 110VDC |
| 文件頁數： | 1/2頁 |
| 文件大小： | 60K |
| 代理商： | PL4WGN-23 |
Fuji Electric FA Components & Systems Co., Ltd./D & C Catalog
Information subject to change without notice
05/120
Limit Switches
Momentary-contact limit switches
for low voltage circuit
HK244 and WK244
■ Description
HK244 and WK244 limit switches have
been developed for use in low voltage
and low current circuits. They will
operate effectively in 3 Volts AC or DC,
5mA circuits although they are
recommended that they are used in 48
Volts or 110 Volts circuits for best
results.
HK244 limit switches
HK244 limit switches are provided with
pure silver contacts. The movable
contact carries out a scrubbing action
during make/break operation ensuring
good connections at all times.
The switch body is molded from a high
performance resin, and versions with
transparent plastic covers and with
aluminum die-cast housing are also
available.
WK244 limit switches
The bifurcated contact is made of pure
silver and like the HK244 series they are
also suitable for use with low voltage
circuits. The dimensions and operating
strokes are similar to the standard type.
■ Ordering information
Specify the following:
1. Type number or ordering code
Example
Limit switch ................................ PL
With enclosure ................................ 5
Scrubbing contact ............................. H
Cast-metal clad enclosure .................. G
Top roller lever plunger .......................... R
Contact 1NO+1NC, normal stroke .......... -22
Ordering code ........................... PL5HGR-22
■ Dimensions, mm
Same as standard type limit switch
K244 series.
See page 05/115 to 05/
117, 05/119.
■ Ordering code: See page 05/113.
WK244xp-2
HK244gR-2
HK244g-2
SK-583
T-1537
T-1535
■ Ratings
HK244
Thermal
Making
Breaking current *1
current
AC
DC
Voltage
Current
Voltage
Current (A)
(A)
(V)
(A)
(V)
Resistive
Inductive
10
50
24
10
24
7
110
10
110
1.5
0.9
220
10
220
0.63
0.28
440
10
440
0.28
0.14
550
10
550
0.22*2
0.1*2
WK244
Thermal
Making
Breaking current *1
current
AC
DC
Voltage
Current
Voltage
Current (A)
(A)
(V)
(A)
(V)
Resistive
Inductive
10
12.5
110
2.5
110
1.5
0.2
220
2.5
220
0.63
–
Notes: *1 When NO and NC contacts are wired in same polarity.
*2 Opposite contacts are not permitted to carry potential.
■ Contacts
HK244
WK244
Process of scrubbing contact
Bifurcated contact
■ Technical data
HK244
Insulation resistance: Over 100M at 500VDC
Dielectric strength:
2500V AC rms 1 minute
Max. operating cycle: 3000 cycles per hour
Life expectancy
Mechanical: 10 million operations
Electrical:
1.3 million operations at 24 to 550V AC 3A
Allowable ambient temperature: –5° to +60°C
WK244
Insulation resistance: Over 100M at 500VDC
Dielectric strength:
2500VAC rms 1 minute
Max. operating cycle: 3000 cycles per hour
Life expectancy
Mechanical: 10 million operations
Electrical:
1 million operations at 220V AC 1.5A
Allowable ambient temperature: –5° to +60°C
HK244 and WK244
Contact
spring
Plunger
Stationary
contact
Moving
contact
Contact
scrubbing
begins
Contact
scrubbing
completed
Stationary contact
Sliding
frame
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