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LF12 is three phase pressure switch
Product Details

LF12 is three phase pressure switch, used for air compressor and water pump to regulate pressure between two preset values. It is available with an unloader value, which prevents compressor from starting under load and an On-Off knob for manual cut off the compressor or pump. A four port manifold style is available, which makes easy mounting of other parts for air compressor, like valve and gauge. LF12 is available with thermal relay for overload protection.The relay will cut off the motor power timely to prevent the motor from burning when motor is overloaded.

Specification

Model

Operating Pressure Range

Differential

Factory Setting

Electrical Rating

Contact Arrangement

Connection

LF12

1-6bar

0.7-2bar

2-3bar

Single phase 120VAC/10A ;230VAC/10A
Three phase 120VAC/10A ;230VAC/10A;400VAC/7.5A;400VAC/11A;500VAC/6A;

500VAC/9A;690VAC/4.5A;690VAC/6.5A

NC

G1/2 or NPT1/2 or R1/2 Female

3-11bar

1.5-3.5bar

6-8bar

6-16bar

2-7bar

9-12bar

5-25bar

3-8bar

16-20bar

12-35bar

3-8bar

25-30bar


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