LF55 Pressure Switch for Refrigeration System, -0.5~42bar

LF55 Series pressure switches is usually used with fluorinated refrigerants to control the pressure of compressor in refrigeration system. It can also used in air and water. Internal Micro-swith ensures reliable switching. It is provided standard Mounting Bracket. Temperature package available.

Model Specification

Model

Adjustable range

(Bar)

Differential

(Bar)

Factory setting

(Bar)

Max working pressure (Bar)

Min.

Max.

Min.

Max.

OFF

ON

LF5502

-0.5

2

0.2

0.7

1

0.5

16.5

LF5503

-0.5

3

0.35

1.5

2

1

16.5

LF5506

-0.5

6

0.6

4

3

2

16.5

LF5506M

-0.5

6

Reset Differential≤1bar

3

Manual Reset

16.5

LF5508 -0.2 7.5 0.7 4 3 2 20

LF5510

1

10

1

3

6

5

16.5

LF5514 2 14 1 4 10 8 20

LF5516

3

16

1

4

10

8

35

LF5520

5

20

2

5

16

13

35

LF5530

8

30

Fixed at 3 to 5

 

20

15~17

35

LF5530M

8

30

Reset Differential

 

20

Manual Reset

35

LF5530D 5 30 3 10 20 15 35
LF5532 8 32 2 6 20 17 35

LF5542

8

30

4

10 30

25

46.5

Medium

Refrigerant, Air, Water, Oil

Media Temperature

-10°C  -  120°C

Connection

M12X1.25, 7/16-20UNF

other connection is available on request

Contact Arrangement

SPDT

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20A@125VAC,10A@250VAC

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FLA:15A@125VAC,8A@250VAC

LRA:72A@125VAC,64A@250VAC

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Ps?1??10-100??????????

LF55T????

LF56??????

LF58 ??????????-0.2~32bar

LF5D??????

TS???????

TSD?????

TSH???????

More information about product
  • svg LF55

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certified worldwide

Lefoo develops and manufactures reliable, high quality pressure and temperature control products. It offers innovative solutions and components that meet the requirements of the most varied applications.

Successful and enduring presence in North America, Europe, Asia, Australia and South America, further enhanced by the prestigious TUV ISO 9001: 2008 certification and many other specific product approvals, prove that Lefoo is a qualified international manufacturer capable of meet the most diverse and demanding technological requirements.

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  • TUV certificate to pressure operating control - LF10 Pressure Switch.
  • UL Certification - Controllers, Refrigeration certified for Canada.
  • TUV certificate to pressure operating control - LF20 Pressure Switch.
  • UL Certification - Component Pressure Switche LF08.
  • UL Certification - Switches Certified for Canada - Pressure Switch LF16, LF16-1.
  • UL Certification - Motor Controllers, Float and Pressure operated Certified for Canada.
  • ISO 9001.

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