3" magnetic snap-action contact

3" magnetic snap-action contact

Product Description

Model: PRE3

►Suitable for observation and automatic control
►Adjustable magnetic strength to avoid frequent, accidental collision of contacts due to vibration
►A variety of contact types to choose from

✔ Responsive after-sales service / Customizable / High quality / One-year warranty


Figure 1: Bottom mount (cable outlet)
Figure 2: Back mount with flange (rear cable outlet)

Product Specification

Connection location

Bottom mount, back mount, back mount with flange

Electrical connections

Cable outlet

Nominal size


Scale ranges

0 ... 1 kg/cm2 to 0 ... 1000 kg/cm2 or other equivalent units of pressure, vacuum or compound


±3.0% F.S.

Process connection

316L SS
1/4", 3/8", 1/2"; PT, G, NPT




Copper alloy

Bourdon tube

316 SS

Pressure limitation

Steady: full scale value
Fluctuating: 0.9 x full scale value

Ambient temperature

-20℃ ... 70℃

Medium temperature

-20℃ ... 150℃


Magnetic snap-action contact
Single contact N.O.
Single contact N.C.Double contacts N.O. (3-wire/4-wire) 
Double contacts N.O. + N.C. (3-wire/4-wire)
Double contacts N.C. (3-wire)

Electrical contact specification

Rated voltage: 250 V (Max.)
Contact capacity: 30 W ~ 50 VA (Max.)
Starting current: 1.0 A (Max.)
Persistent current: 0.6 A (Max.)
Switching voltage: 24 V (Min.)

Product Display-Bottom Mount

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