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ALF1T24 数据手册 - Panasonic（松下）
制造商:
Panasonic（松下）
分类:
功率继电器
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ALF 系列 20 A 单刀单掷 24 VDC 通孔 无极性 功率继电器
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ALF1T24数据手册
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Panasonic Corporation 2014©
Panasonic Corporation Automation Controls Business Division
industrial.panasonic.com/ac/e/
LF (ALF)
–2–
ASCTB195E 201402-T
2. Specifications
* Specifications will vary with foreign standards certification ratings.
Notes: *1. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the
actual load.
*2. Wave is standard shock voltage of ±1.2×50µs according to JEC-212-1981
*3. The upper limit of the ambient temperature is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage
conditions in NOTES.
3. Switching capacity
REFERENCE DATA
Characteristics Item Specifications
Contact
Arrangement 1 Form A
Contact resistance (Initial) Max. 100 mΩ (By voltage drop 6 V DC 1A)
Contact material AgSnO2 type
Rating
Nominal switching capacity (resistive load) 20A 250V AC
Max. switching power (resistive load) 6,250VA
Max. switching voltage 250V AC
Max. switching current 25A
Nominal operating power 900mW
Min. switching capacity (reference value)*
1
100mA, 5V DC
Electrical
characteristics
Insulation resistance (Initial) Min. 1,000MΩ (at 500V DC) Measurement at same location as “Breakdown voltage” section.
Breakdown voltage
(Initial)
Between open contacts 1,000 Vrms for 1 min. (Detection current: 10 mA)
Between contact and coil 5,000 Vrms for 1 min. (Detection current: 10 mA)
Temperature rise (coil)
Max. 45°C 113°F (By resistive method, nominal coil voltage applied to the coil;
contact carrying current: 20A, at 60°C 140°F)
Surge breakdown voltage*
2
(Between contact and coil) (Initial)
10,000 V
Operate time (at nominal voltage) (at 20°C 68°F) Max. 20 ms (excluding contact bounce time.)
Release time (at nominal voltage) (at 20°C 68°F) Max. 15 ms (excluding contact bounce time) (With diode)
Mechanical
characteristics
Shock resistance
Functional 100 m/s
2
(Half-wave pulse of sine wave: 11 ms; detection time: 10µs.)
Destructive 1,000 m/s
2
(Half-wave pulse of sine wave: 6 ms.)
Vibration resistance
Functional 10 to 55 Hz at double amplitude of 1.5 mm (Detection time: 10µs.)
Destructive 10 to 55 Hz at double amplitude of 1.5 mm
Expected life
Mechanical (at 180 times/min.) Min. 2×10
6
Electrical (at 20 times/min.) Min. 10
5
(resistive load)
Conditions
Conditions for operation, transport and storage*
3
Ambient temperature: –40°C to +60°C –40°F to +140°F,
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
Max. operating speed 20 times/min. (at nominal switching capacity)
Unit weight Approx. 23 g .81 oz
Electrical Life
Resistive load
20 A, 250 V AC (cos
φ
= 1)
Min. 10
5
(at 20 times/min.)
25 A, 250 V AC (cos
φ
= 1)
Min. 10
4
(at 20 times/min.)
Compressor load
Inrush 70 A (cos
φ
= 0.7), Steady 20 A (cos
φ
= 0.9)
250 V AC
Min. 10
5
(at 20 times/min.)
Inverter load
Inrush 200 A, Steady 20 A
100 V AC
Min. 3×10
4
(at 10 times/min.)
Inrush 100 A, Steady 10 A
200 V AC
Min. 3×10
4
(at 10 times/min.)
1. Coil temperature rise
Sample: ALF1T12, 6 pcs.
Point measured: coil inside
Ambient temperature: 25°C 77°F, 60°C 140°F
Contact current: 20A
2-(1). 200V AC electrical life test
(200V AC, inverter load)
Sample: ALF1T12, 6 pcs.
Load: Inrush 102A (wave peak value),
Steady 14.4A (wave peak value)
Inverter dummy 200V AC
Switching frequency: ON 1s, OFF 5s
Circuit:
Coil applied voltage, %V
80 100 120
70
60
50
40
30
20
10
0
60°C
25°C
Temperature rise, °C
158
140
122
104
86
68
50
32
°F
140°F
77°F
1.9Ω
LF relay contact
Switch
2,000µF
200V AC
063
0
2
4
6
8
10
12
Max.
Min.
x
Max.
Min.
x
Pick-up and drop-out voltage, V
No. of operations, ×10
4
Contact welding: 0 times
Miscontact: 0 times
Drop-out voltage
Pick-up voltage
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