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positive-open safety switch

Russian translation: концевой выключатель защитной цепи

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:positive-open safety switch
Russian translation:концевой выключатель защитной цепи
Entered by: Ariana Ariana

07:12 Sep 10, 2021
English to Russian translations [PRO]
Tech/Engineering - Chemistry; Chem Sci/Eng / Thermo SCIENTIFIC Laborat
English term or phrase: positive-open safety switch
DOOR-OPERATED SAFETY SWITCH
At operating temperatures above 700°C, the conductivity of the ceramic insulation inside the work chamber is likely to increase. To safeguard against electric shock, the unit is equipped with a reliability-tested positive-open safety switch.
When the tilting door is opened, all poles of the heating current are disengaged and galvanically isolated from the mains power supply circuit.
The door-operated safety switch must be tested at regular intervals, at the very least once per year, to ensure that it is in technically perfect working order.

подключение автосигнализации с использованием диодов к положительным концевикам дверей?
Ariana Ariana
Uzbekistan
концевой выключатель защитной цепи
Explanation:
Сначала разберемся с сабжем (positive-open switch)
By design, a limit switch with positive opening contacts has direct mechanical linkage within the limit switch which force the normally closed contacts open when the switch is actuated. In the case of a weld of the contacts, the action of the actuator will mechanically break the weld, opening the switch contacts. The normally closed contacts of these limit switches can not rely solely on a spring member to open the contacts per IEC 60947-5-1 Annex K. https://sensing.honeywell.com/app-note-limit-switches-positi...
У нас в ГОСТ IEC 60947-5-1—2014 это называется полным отключением цепи.
Т.е. речь идет о концевом выключателе, впрочем это и так понятно из контекста (самый простой способю отследить положение двери), а наши концевики по определению именно такие (с полным отключением)
Selected response from:

Enote
Local time: 07:49
Grading comment
Спасибо
4 KudoZ points were awarded for this answer



Summary of answers provided
4предохранительный выключатель с принудительным размыканием
Pavel Altukhov
3концевой выключатель защитной цепи
Enote


  

Answers


51 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
предохранительный выключатель с принудительным размыканием


Explanation:
это выключатель

Pavel Altukhov
Local time: 07:49
Specializes in field
Native speaker of: Russian
PRO pts in category: 60
Notes to answerer
Asker: Спасибо

Login to enter a peer comment (or grade)

1 day 24 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
концевой выключатель защитной цепи


Explanation:
Сначала разберемся с сабжем (positive-open switch)
By design, a limit switch with positive opening contacts has direct mechanical linkage within the limit switch which force the normally closed contacts open when the switch is actuated. In the case of a weld of the contacts, the action of the actuator will mechanically break the weld, opening the switch contacts. The normally closed contacts of these limit switches can not rely solely on a spring member to open the contacts per IEC 60947-5-1 Annex K. https://sensing.honeywell.com/app-note-limit-switches-positi...
У нас в ГОСТ IEC 60947-5-1—2014 это называется полным отключением цепи.
Т.е. речь идет о концевом выключателе, впрочем это и так понятно из контекста (самый простой способю отследить положение двери), а наши концевики по определению именно такие (с полным отключением)


Enote
Local time: 07:49
Native speaker of: Russian
PRO pts in category: 471
Grading comment
Спасибо
Notes to answerer
Asker: Спасибо

Login to enter a peer comment (or grade)



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