LF
40
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)
Inv erter load: 20A 100V A C , 10A 200V AC
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
3. "PCB" and "TMP" types available
4. Conforms to the various safety
standards:
UL/CSA, TÜV, VDE approv ed
SPECIFICATIONS
Contact
Coil
Characteristics
Arrangement 1 Form A
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A) 100 m
Ω
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
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 M
Ω
(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, trans-
port 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
Remarks
* Specifications will vary with foreign standards certification ratings.
*
1
Measurement at same location as "Initial breakdown voltage" section.
*
2
Detection current: 10mA
*
3
W a ve is standard shoc k v oltage of
±
1.2
×
50
µ
s according to JEC-212-1981
*
4
Excluding contact bounce time.
*
5
Half-wave pulse of sine wave: 11 ms; detection time: 10
µ
s
*
6
Half-wave pulse of sine wave: 6 ms
*
7
Detection time: 10
µ
s
*
8
Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 24).
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
LF-RELAYS
20A Power Relay For
Home appliances
VDE