Lefoo 2000 - 2025
Lefoo 2000 - 2025
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LF32
HVAC Differential Air Pressure Switch

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The LF32 is an adjustable differential pressure switch capable of detecting miniscule changes in pressure due to the size and proven design. The switch set point or switching point can be field adjustable without the need of a manometer by simply using the adjustment knob and the built in calibrated visual scale. This switch is equipped a clear cover that not only protects the adjustment knob to be move involuntary but also provides class IP54 protection.

Parameters
LF32 Pressure Range
Dimension

Parameters

Model

LF32

Media

Air, non-combustible and ono-aggressive gass

Max Operating Pressure

10kPa

Mounting Position

Diaphragm in any vertical Plane

Degree of protection

IP54(with cover), IPOO(without cover)

Operating Temperature

-40℃ to +85℃

Contact Arrangement

SPDT

Electrical Rating

Resistance: initaial<100 milliohms

Current: 1.5A(0.4A)/250V

Termimnal

6.3mm×0.8 blade or screw terminal

Connection

φ6.4mm for tube connection

Conversion: 1in W.C.=249Pa  1mbar=100Pa

LF32 Pressure Range

Model

Pressure Range

Differential

Tolerances

LF32-02

20-200(Pa)

10(Pa)

≤±15%, min±10Pa

LF32-03

30-300(Pa)

10(Pa)

≤±15%, min±10Pa

LF32-03A

20-300(Pa)

10(Pa)

≤±15%, min±10Pa

LF32-04

40-400(Pa)

20(Pa)

≤±15%, min±10Pa

LF32-05

50-500(Pa)

20(Pa)

≤±15%, min±10Pa

LF32-05A

30-500(Pa)

20(Pa)

≤±15%, min±10Pa

LF32-06

60-600(Pa)

20(Pa)

≤±15%, min±10Pa

LF32-06A

40-600(Pa)

20(Pa)

≤±15%, min±10Pa

LF32-10

200-1000(Pa)

100(Pa)

≤±15%

LF32-11

100-1000(Pa)

50(Pa)

≤±15%

LF32-15

100-1500(Pa)

50(Pa)

≤±15%

LF32-20

200-2000(Pa)

100(Pa)

≤±15%

LF32-25

500-2500(Pa)

150(Pa)

≤±15%

LF32-45

500-4500(Pa)

250(Pa)

≤±15%

LF32-50

1000-5000(Pa)

250(Pa)

≤±15%


Dimension

Dimension
Dimension
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