dispositivi di protezione differenziali adulti
English translation: residual current protective device / RCD [= residual current protective device] - for adults
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| 19:10 Jan 1, 2014 |
| Italian to English translations [PRO] Tech/Engineering - Electronics / Elect Eng / circuit breakers | |||||||
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|  Selected response from: Raoul COLIN (X) Local time: 04:23 | ||||||
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| 4 +1 | earth leakage protection devices (for adults) |
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| 3 +2 | residual current protective device / RCD [= residual current protective device] - for adults |
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Answers
1 hr confidence: 
peer agreement (net): +1
peer agreement (net): +1earth leakage protection devices (for adults) Explanation: http://www.alia.com.au/techtopics/elcb.htm ...................................**Earth leakage protection devices are designed to trip for fault currents** (correnti di guasto) between 10 and 100 mA and for interrupt times between 40 and 100 milliseconds after a fault current is sensed. *adulti* isn't very clear to me that's why I put it into brackets. Happy New Year. -------------------------------------------------- Note added at 1 ora (2014-01-01 20:18:04 GMT) -------------------------------------------------- http://wiki.answers.com/Q/What_is_difference_between_residua... |
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2 hrs confidence: peer agreement (net): +2
peer agreement (net): +2residual current protective device / RCD [= residual current protective device] - for adults Explanation: other names for equipment providing the same type of protection - differential current circuit breaker / fault current breaker / residual current protective device / earth-leakage circuit breaker or ELCB /residual-current operated circuit breaker or RCCB / The below page contains a text with complete explanations of what this device doses An RCD (residual current device) is a device designed to cause the opening of one or more contacts to disconnect a load when the residual current flowing in the circuit protected by the RCD reaches the rated residual operating current (IDN) of the RCD. That immediately raises the question as to what is a residual current. It is not clear why the term “residual current” was chosen, but the French translation for an RCD is a “differential current circuit breaker”, and this offers a clearer interpretation of the principle of operation of an RCD…… further down the same text A Residual Current therefore refers to any current other than the load current. The key factor in the ability of the RCD to detect a residual current and provide protection is the connection of the supply neutral conductor to earth at the origin of the installation. It follows that all residual currents flow to earth, and residual currents are therefore often referred to as earth fault currents. These two terms are used interchangeably throughout this document. the precision "for adults" is to warn people that children are not proctected. Reference: http://www.westernautomation.com/DemystifyingRCDs.pdf |
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