LA (ALA)
3-(1). Coil temperature rise
3-(2). Coil temperature rise
4.Ambient temperature characteristics and coil
applied voltage
Contact current: ALA2F=3A
ALA2PF=5A
Sample: ALA2F12, 6 pcs.
Measured portion: coil inside
Contact current: 0 A, 3A
Sample: ALA2PF12, 6 pcs.
Measured portion: coil inside
Contact current: 0 A, 5A
50
45
40
50
45
40
200
20°C 5A
20°C 0A
Allowable ambient temperatures
20°C 3A
20°C 0A
against % coil voltages
(max. inside the coil
temperature set as
70°C 5A
70°C 0A
70°C 3A
70°C 0A
150
115°C 239°F)
35
35
30
25
20
30
25
20
100
50
0
15
10
15
10
5
0
5
0
0
80
100
120
0
80
100
120
0
20
40
60
80
Coil applied voltage, %V
Coil applied voltage, %V
Ambient temperature, °C
5-(1). Electrical life test
Change of pick-up and drop-out voltage
Change of contact resistance
(3 A 125 V AC, resistive load)
Sample: ALA2F12, 6 pcs.
100
50
Operation frequency: 20 times/min.
(ON/OFF = 1.5s: 1.5s)
Ambient temperature: 20°C 68°F
80
40
30
20
10
0
Pick-up voltage
60
Max.
x
Circuit:
Min.
Max.
x
Min.
40
Contact
welding
detection
and Mis-
contacting
detection
circuit
12V DC
Drop-out voltage
20
125V AC
Max.
x
NO
NO
COM
COM
Min.
0
G
0
2.5
5
0
2.5
5
No. of operations, ×104
No. of operations, ×104
5-(2). Electrical life test
Change of pick-up and drop-out voltage
Change of contact resistance
(5 A 250 V AC, resistive load)
50
100
Sample: ALA2PF12, 6 pcs.
Operation frequency: 20 times/min.
(ON/OFF = 1.5s: 1.5s)
80
40
30
20
10
0
Ambient temperature: 20°C 68°F
Pick-up voltage
60
Max.
x
Circuit:
Max.
x
Min.
Min.
40
Contact
welding
detection
and Mis-
contacting
detection
circuit
12V DC
Drop-out voltage
20
250V AC
Max.
x
Min.
COM
COM
NO
NO
0
G
0
2.5
5
0
2.5
5
No. of operations, ×104
No. of operations, ×104
5-(3). Electrical life test
(UL lamp load test TV-4)
Tested sample: ALA2PF12, 6 pcs.
• Overload test
Change of pick-up and drop-out voltage
Change of contact resistance
50
100
Load: 6.0 A 120 V AC (60 Hz),
Inrush: 91 A
Operation frequency: 10 times/min
(ON: OFF = 1 s: 5 s)
No. of operations: 50 ope.
• Endurance test
Load: 4A 120 V AC (60 Hz),
Inrush: 65 A
40
30
20
10
80
Pick-up voltage
60
Max.
x
Min.
40
Max.
Drop-out voltage
20
Max.
Operation frequency: 10 times/min
(ON: OFF = 1 s: 5 s)
x
Min.
x
Min.
No. of operations: 25,000 ope.
0
0
0
2.5
0
2.5
No. of operations, ×104
No. of operations, ×104
ASCTB191E 201202-T
Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/
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