Datasheet
LF (ALF)
1
en_ds_61162_0000: 310105J
SPECIFICATIONS
20A POWER RELAY FOR
HOME APPLIANCES
LF RELAYS
(ALF)
VDE
TMP type PCB type
mm inch
30.1
1.185
23.3
.917
15.7
.618
23.3
.917
30.1
1.185
15.7
.618
FEATURES
1. Ideal for compressor and inverter
loads
1) Compressor load: 20A 250V AC
2) Inverter load: 20A 100V AC,
10A 200V AC
2. High insulation resistance
• Creepage distance and clearances
between contact and coil;
Creepage Min. 9.5mm .374inch/
Clearance Min. 8mm .315inch
• Surge withstand voltage: Min. 10,000V
3. “PCB” and “TMP” types available
4. Conforms to the various safety
standards:
UL/CSA, TÜV, VDE approved
Contact
Coil
#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.
Remarks
* Specifications will vary with foreign standards certification ratings.
*
1
Measurement at same location as “Initial breakdown voltage” section.
*
2
Detection current: 10mA
*
3
Wave is standard shock voltage of ±1.2 × 50µs according to JEC-212-1981
*
4
Excluding contact bounce time.
*
5
Half-wave pulse of sine wave: 11 ms; detection time: 10 µs
*
6
Half-wave pulse of sine wave: 6 ms
*
7
Detection time: 10 µs
*
8
Refer to 6. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (see catalog).
Characteristics
Arrangement 1 Form A
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
100 mΩ
Contact material Silver alloy
Rating
(resistive load)
Nominal switching
capacity
20 A 250V AC
Max. switching
power
6,250 V A
Max. switching
voltage
250V AC
Max. switching
current
25 A
Min. switching
capacity
#1
100 mA, 5 V DC
Expected life
(min. operations)
Mechanical
(at 180 cpm)
2 × 10
6
Electrical
(at 20 cpm)
(Resistive load)
10
5
Nominal operating power 900 mW
Max. operating speed
(at rated load)
20 cpm
Initial insulation resistance*
1
Min. 1,000 MΩ (at 500 V DC)
Initial
breakdown
voltage*
2
Between open contacts 1,000 Vrms for 1 min.
Between contacts and
coil
5,000 Vrms for 1 min.
Surge voltage between contact and
coil*
3
Min. 10,000 V
Operate time*
4
(at nominal voltage)
Approx. 15ms
Release time (without diode)*
4
(at nominal voltage)
Approx. 15ms
Temperature rise
(at nominal voltage)
Max. 45°C
(resistance method, contact
current 20 A, rated coil
voltage, 60°C 140°F)
Shock resistance
Functional*
5
Min. 100 m/s
2
{10 G}
Destructive*
6
Min. 1,000 m/s
2
{100 G}
Vibration resistance
Functional*
7
10 to 55Hz
at double amplitude of 1.5mm
Destructive
10 to 55Hz
at double amplitude of 1.5mm
Conditions for operation,
transport and storage*
8
(Not freezing and
condensing at low
temperature)
Ambient
temp.
–40°C to +60°C
–40°F to +140°F
Humidity 5 to 85% R.H.
Unit weight Approx. 23 g .81 oz
TYPICAL APPLICATIONS
• Air conditioner
• Refrigerators
• OA equipment
ORDERING INFORMATION
Product Name
LF
Contact arrangement Terminal shape Coil voltage, V DC
1: 1 Form A
Note: Standard packing; Carton: 50 pcs. Case 200 pcs.
UL/CSA,VDE, TÜV approved type is standard.
T: TMP type
P: PCB type
05: 5 12: 12
06: 6 18: 18
09: 9 24: 24
Ex. A LF 1 T 12



