Magnetic Contacts Type KM

Magnetic Contacts Type KM

  • TEMPRESS contact system with magnet for reliable contact function
  • Vibration proof
  • For dry and liquid filled instruments
  • 1, 2 or 3 contact points
  • Break, close or shift function

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Specifications

Contact system Type KM, snap action
Instrument size: DN 100 and DN 160 on request
Contact type KNS

 

type KNG

Number
Function

Silver (Ag80/Ni20), no magnet

 

Gold (Au80/Ag20), no magnet

1, 2 or 3
Break, close or shift

Min. measuring range: 1 contact: min. 1 bar
2-3 contacts: min. 2,5 bar
Working range
Min. work. range
15-85% of span
10% of span
Accuracy ±2% at span ≤ 4 bar
±1,5% at span ≥ 4 bar
Hysteresis 2-5% of span
Ambient temp. -20+70°C
Electrical
connection
Plug, ISO 4400 (DIN43650-A)
2 plugs by separate circuits and by 3 contacts

LOAD FOR LOW ACTION CONTACTS WITH MAGNET

Voltage

 

Unit of measure [Volt]

Ohmic Load DC

 

Unit of measure [mA]

Dry / Liquid filled

Inductive load Cos φ>0.7

 

Unit of measure [mA]

Dry / Liquid filled

220/230 100 / 65 65 / 40
110 200 / 130 130 / 85
48 300 / 190 200 / 130
24 400 / 250 250 / 150
24 minimum 20 mA, and gold contacts are requiered.
(KE contact is recommended)
 

Magnetic Contacts Type KM

APPLICATION

The contact system type KM is especially well suited for processes with vibrations or transients as, due to the magnet, these will not cause undesired contact operations.

It can be used for all purposes where an electric impulse is required at a desired value. The impulse is applicable for alarm functions or simple actuating controls.

With a few exceptions, TEMPRESS’ pressure gauges and thermometers can be delivered with one, two or three built-in contacts type KM.

The contact is made without a blank-holder magnet to secure a reliable and optimal contact function which also depends on power, load and contact material.

The contact pins are standard in silver (KMS) but can also be supplied in gold (KMG) – e.g. for low voltages such as 24VDC.

Standard articles

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Single contact

(1 contact point)

Avaliable contact types:

KN,KM,KE and KI

Contact Function : Break

1

Contact Function : Close

2

Contact Function : Shift

3

Contact Function Separate Circuits : Break

4

Contact Function Separate Circuits : Close

5

Double contact

(2 contact points)

Avaliable contact types:

KN,KM,KE and KI

Shift contact

(2 contact points switch function)

Avaliable contact types:

KN and KM

Double contact

(2 contact pointers seperate Circuits)

Avaliable contact types:

KN and KM

Triple contact

(3 contact pointers)

Avaliable contact types:

KN and KM

Triple contact

(3 contact pointers)

Avaliable contact types:

KN and KM

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