Diaphragm operated differential pressure switch
5 kPa | LF32 Zhejiang Lefoo Industrial Co.,Ltd

LF32 switch is capable to sense tiny pressure change and widely used to control the flue of aerator, to monitor fan and air conditioner. It is also suitable for over heating protection and frost protection in industrial cooling system. Due to its outstanding design, the setpoint can be adjust visually.
Series No.
LF32

Media
Air, non-combustible and non-aggressive gasses

Max Operating Pressure
5 kPa

Mounting position
Diaphragm in any vertical plane

Degree of protection
IP54 (with cover)

Operating Temperature
-40° C to 85° C

Contact Arrangement
SPST or SPDT

Electrical Rating
Resistance: Initial: <400 milliohms;

1.5A (0.4A) @ 250V

Terminals
6.4 mm(0.25") copper alloy

Connection
6.0mm Dia. for tube connection

Model
Pressure Range
Differential
Tolerance

LF32-02
20 ~ 200 Pa
10 Pa
/-15%

LF32-03
30 ~300 Pa
10 Pa
/-15%

LF32-04
40 ~400 Pa
20 Pa
/-15%

LF32-05
50 ~ 500 Pa
20 Pa
/-15%

LF32-10
200 ~ 1000 Pa
100 Pa
/-15%

LF32-25
500 ~ 2500 Pa
150 Pa
/-15%

Conversion: 1"W.C.= 1 inch/H2O=249Pa 1mbar=100Pa