Earth Leakage Relay Pdf

Earth leakage circuit breaker or elcb.

Earth leakage relay pdf.

ø 25 mm ø 35 mm ø 55 mm ø 80 mm ø 115 mm ø 140 mm ø 180 mm 220x105 mm 350x150 mm 500x200 mm. The term h denotes harmonics prok dv s make h series is. If any current leaks from any electrical installation there must be any insulation failure in the electrical circuit it must be properly detected and prevented otherwise there may be a high chance of electrical shock if anyone touches the installation an earth leakage circuit breaker does it efficiently. Programmable relay output programmable software lock selectable frequency 50 60 hz auto z c t.

If ample voltage seems across the elcb s sense coil it will turn off the power and remain. Earth leakage relay for non linear loads like ups invertor drives other applications h series elr. Manufactures the most trusted dependable earth leakage relays for more than 15 years and they are time tested h series earth leakage are different from other normal leakage relays. Tm 8000s numerical based earth leakage relay flush mount type all measurement in millimeters side view 98 98 92 92 panel cut out 92 x 92 mm front view panel.

Insulation coordination for measuring relays and protection equipment requirement and tests. The mh earth leakage relay series are combined with a wide range of zero phase current transformers with diameter sizes from 35mm to 140mm providing the maximum application flexibility for an effective protection in every point of the system. Earth leakage relays nv zha this kind of relay is an electrical self holding type called as harmonic surge ready type and is suitable to use in the inverter circuit can to have the active filter and the dpdc circuit. Ultra immunized self reclosing earth leakage relays contactor contactor contactor x4 x4 n t x3 ta lcd display i n n t 6 to 80 a t lcd display n available in.

Means it detects the earth leakage current and. 02 4956 5899 fax. Realtime monitoring of leakage current. Applications rec max mp.

Connection check open short flush mount features version 8 04 user guide for model. Types ac a si fault current ma maximum response time ms q 15 ma no tripping q 30 ma 300 ms. Earth leakage protection response time of high sensitivity residual current devices 30 ma response time the response time of a residual current device is the time between the appearance of a dangerous leakage current and circuit power down. Measuring relay and protection equipment functional requirements for over under current protection.

Manual test button for relay operation checking. Elm earth leakage protection relay user manual 121408 issue 4 15 02 11 elm manual issue 4 121408 150211 pdf designed and manufactured in australia by ampcontrol pty limited acn 000 915 542 phone.