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)

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/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 approved

SPECIFICATIONS

Contact
Coil
Characteristics

Arrangement 1 Form A
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
100 m

W

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

W

(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

Wave is standard shock voltage of

–

1.2

·

50

m

s according to JEC-212-1981
*

4

Excluding contact bounce time.
*

5

Half-wave pulse of sine wave: 11 ms; detection time: 10

m

s
*

6

Half-wave pulse of sine wave: 6 ms
*

7

Detection time: 10

m

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