H20PS(M) SERIES PRESSURE SWITCH

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Shanghai Junle Refrigeration Control CO., Ltd.

(021)59516777 59516409, (021)59515225 39510019 59516409, (0757)22810759, (0532)86956293

Larger photo of H20PS(M) SERIES PRESSURE SWITCH

H20PS(M) SERIES PRESSURE SWITCH


company	Shanghai Junle Refrigeration Control CO., Ltd.
Update	2011-04-02
Original Region	China
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H20PS(M) SERIES PRESSURE SWITCH

	H20PS(M)SERIES PRESSURE SWITCH OVERVIEW H20PS(M)series pressure switch is a more advancedminiature pressure switch in the world. It isone of the electrical switches that control thecircuit open or close on pressure of thecontrolled medium increase or decrease. It isused widely in refrigeration system, oil pump,air pump and the other industrial equipmentwhich require to adjust the medium pressure toprotect system. WORKING PRINCIPLE The workingprinciple of H20PS series pressure switch isWhen the pressure of the controlled medium risesto a predetermined ＆#118alue, the snap disk willsnap act to drive a set of electrical contactsby means of a transfer pin. When the pressure ofthe controlled medium drops below anotherpredetermined ＆#118alue, the snap disk will snapto the original state, to make the contactterminal close (or open). In this way the switchfunction is realized. There is a slightdifference between the working principle ofH20PSM series pressure switch and of H20PSseries pressure switch: When the pressure of thecontrolled medium decrease, the switch can noreset automatically. And just only as the pushbutton is pressed, the circuit will reset to theoriginal state.

H20PS(M)SERIES PRESSURE SWITCH

OVERVIEW
H20PS(M)series pressure switch is a more advancedminiature pressure switch in the world. It isone of the electrical switches that control thecircuit open or close on pressure of thecontrolled medium increase or decrease. It isused widely in refrigeration system, oil pump,air pump and the other industrial equipmentwhich require to adjust the medium pressure toprotect system.

WORKING PRINCIPLE
The workingprinciple of H20PS series pressure switch isWhen the pressure of the controlled medium risesto a predetermined ＆#118alue, the snap disk willsnap act to drive a set of electrical contactsby means of a transfer pin. When the pressure ofthe controlled medium drops below anotherpredetermined ＆#118alue, the snap disk will snapto the original state, to make the contactterminal close (or open). In this way the switchfunction is realized.
There is a slightdifference between the working principle ofH20PSM series pressure switch and of H20PSseries pressure switch: When the pressure of thecontrolled medium decrease, the switch can noreset automatically. And just only as the pushbutton is pressed, the circuit will reset to theoriginal state.

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