VDE
LF
20A Power Relay For
Home appliances
LF-RELAYS
FEATURES
1. Ideal for compressor and inverter
loads
15.7
.618
4. Conforms to the various safety
standards:
30.1
1.185
15.7
.618
30.1
1.185
1) Compressor load: 20A 250V AC
2) Inverter load: 20A 100V AC, 10A 200V AC
UL/CSA, TÜV, VDE approved
23.3
.917
23.3
.917
2. High insulation resistance
• Creepage distance and clearances
between contact and coil;
Creepage Min. 9.5mm .374inch/Clear-
ance Min. 8mm .315inch
• Surge withstand voltage: Min. 10,000V
TMP type
PCB type
mm inch
3. "PCB" and "TMP" types available
SPECIFICATIONS
Contact
Characteristics
Arrangement
1 Form A
100 mΩ
Max. operating speed
(at rated load)
Initial insulation resistance*1
20 cpm
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Contact material
Min. 1,000 MΩ (at 500 V DC)
Silver alloy
Between open
1,000 Vrms for 1 min.
contacts
Initial breakdown
voltage*2
Nominal switching
capacity
20 A 250V AC
6,250 V A
250V AC
25 A
Between contacts
and coil
5,000 Vrms for 1 min.
Min. 10,000 V
Max. switching
power
Surge voltage between contact and
coil*3
Operate time*4
(at nominal voltage)
Release time (without diode)*4
(at nominal voltage)
Rating
(resistive load)
Max. switching
voltage
Approx. 15ms
Max. switching
current
Approx. 15ms
Mechanical
(at 180 cpm)
Electrical
(at 20 cpm)
(Resistive load)
2 × 106
Max. 45°C
(resistance method, contact
current 20 A, rated coil
voltage, 60°C 140°F)
Min. 100 m/s2{10 G}
Min. 1,000 m/s2{100 G}
10 to 55Hz
at double amplitude of 1.5mm
10 to 55Hz
at double amplitude of 1.5mm
–40°C to +60°C
Expected life
(min. operations)
Temperature rise
(at nominal voltage)
105
Functional*5
Destructive*6
Shock
resistance
Coil
Nominal operating power
900 mW
Functional*7
Vibration
Remarks
resistance
*
*
*
*
*
*
*
*
*
Specifications will vary with foreign standards certification ratings.
Measurement at same location as "Initial breakdown voltage" section.
Detection current: 10mA
Destructive
1
2
3
4
5
6
7
8
Conditions for
Wave is standard shock voltage of ±1.2 × 50µs according to JEC-212-1981
Excluding contact bounce time.
Ambient temp.
operation, trans-
port and storage*8
(Not freezing and
condensing at low
temperature)
–40°F to +140°F
Half-wave pulse of sine wave: 11 ms; detection time: 10 µs
Half-wave pulse of sine wave: 6 ms
Detection time: 10 µs
Humidity
5 to 85% R.H.
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 24).
Unit weight
Approx. 23 g .81 oz
TYPICAL
ORDERING INFORMATION
APPLICATIONS
Ex.
A
LF
1
T
12
• Air conditioner
• Refrigerators
• OA equipment
Product Name
LF
Contact arrangement
1: 1 Form A
Terminal shape
Coil voltage, V DC
T: TMP type
P: PCB type
05: 5
06: 6
09: 9
12: 12
18: 18
24: 24
Note: Standard packing; Carton: 50 pcs. Case 200 pcs.
UL/CSA,VDE, TÜV approved type is standard.
40