Datasheet
LF-G (ALFG)
4
ds_61B12_en_lfg: 240913D
High capacity type (Contact Gap 1.5 mm .059 inch type)
4. Electrical life test
(22A 250V AC cos = 0.8 Inductive load)
Sample: ALFG1PF09, 6 pcs.
Operation frequency: ON:OFF = 0.1s:10s
Ambient temperature: 85C 185F
Circuit:
Change of pick-up and drop-out voltage Change of contact resistance
Contact welding detection
and Mis-contacting
detection circuit
250V AC
9V DC
Pick-up and drop-out voltage, V
30
10
9
8
7
6
5
4
3
2
1
0
Max.
Min.
x
Max.
Min.
x
No. of operations, ×10
4
Pick-up voltage
Drop-out voltage
Contact resistance, mΩ
No. of operations, ×10
4
30
100
90
80
70
60
50
40
30
20
10
0
Max.
Min.
x
1. Coil temperature rise
Sample: ALFG2PF09, 6 pcs.
Point measured: coil inside
Ambient temperature: 20C 68F, 60C 140F
Contact carrying current: 31A
2. Ambient temperature characteristics and coil
applied voltage
Coil applied voltage, %V
20°C
60°C 140°F 31A
60°C 140°F 0A
68°F 31A
20°C 68°F 0A
1401201008060
100
80
60
40
20
Temperature rise, °C
Coil applied voltage, %V
900 1020304050607080
19432 50 68 86 104 122 140 158 176
180
140
100
60
0
Contact carrying
current: 31A
Pick-up voltage
Coil & contact
no carrying current
*Inside the coil temperature
155°C 311°F (UL Class F)
Allowable ambient temperatures
against % coil voltages
(max. inside the coil temperature
set as 155°C 311°F)
°F
Ambient temperature, °C
3. Electrical life test
(31A 250V AC cos = 0.8 Inductive load)
Sample: ALFG2PF09, 6 pcs.
Operation frequency: ON:OFF = 0.1s:10s
Ambient temperature: 85C 185F
Circuit:
Change of pick-up and drop-out voltage Change of contact resistance
Contact welding detection
and Mis-contacting
detection circuit
250V AC
9V DC
Pick-up and drop-out voltage, V
30
10
9
8
7
6
5
4
3
2
1
0
Max.
Min.
x
Max.
Min.
x
No. of operations, ×10
4
Pick-up voltage
Drop-out voltage
Contact resistance, mΩ
No. of operations, ×10
4
30
100
90
80
70
60
50
40
30
20
10
0
Max.
Min.
x