Datasheet

LF-G (ALFG)
4
ds_61B12_en_lfg: 050509J
Q High capacity type
DIMENSIONS (Unit: mm inch)
SAFETY STANDARDS
Certification authority Standard type High capacity type
UL, C-UL 22A 277V AC General Use (at 85°C 185°F) 31A 277V AC General Use (at 85°C 185°F)
VDE (VDE0435) 22A 250V AC cosφ = 0.8 (at 85°C 185°F) 31A 250V AC cosφ = 0.8 (at 85°C 185°F)
1. Coil temperature rise
Sample: ALFG2PF09, 6 pcs.
Point measured: coil inside
Ambient temperature: 20°C 68°F, 60°C 140°F
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
180
140
100
60
0
Ambient temperature, °C
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)
3. Electrical life test
(31A 250V AC cosφ = 0.8 Inductive load)
Sample: ALFG2PF09, 6 pcs.
Operation frequency: ON:OFF = 0.1s:10s
Ambient temperature: 85°C 185°F
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
External dimensions
23.3
.917
4.0
.157
0.5
.020
15.7
.618
12.0
.472
22.0
.866
27.6
1.087
30.1
1.185
Dimension: General tolerance
Max. 1mm .039 inch: ±0.1 ±.004
1 to 3mm .039 to .118 inch: ±0.2 ±.008
Min. 3mm .118 inch: ±0.3 ±.012
PC board pattern (Bottom view)
Tolerance: ±0.1 ±.004
Schematic (Bottom view)
10.0±0.1
.394±.004
27.6±0.1
1.087±.004
12.0±0.1
.472±.004
13.8±0.1
.543±.004
12.0±0.1
.472±.004
1.8 dia.
.071 dia.
1.8 dia.
.071 dia.
2.0 dia.
.079 dia.
2.0 dia.
.079 dia.
NO COM