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CURRENT PROTECTION RELAY GENERAL SPECIFICATION: CPR 126-1C Dimension (mm) 75 (H) x 45 (W) x 110 (D) mm Under current : 0.00 to 100% of primary C.T value Trip Setting Over current : 0.00 - 125% of primary C.T value...
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KEY OPERATION MECHANICAL INSTALLATION GUIDELINES 1) To install the instrument on a DIN rail, raise the clamp at FUNCTION PRESS KEY the back of the instrument and place it on the rail. Now OPERATOR MODE release the clamp, so the instrument fits on the DIN rail. 2) Ensure proper fitting of the instrument by pulling it To enter in parameter setting outwards.
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PARAMETER SETTING Press for 5 sec Password 11 : To Enable / Disable trip parameter (Over current, Under current, Asymmetry, Single phase prevention) p a s Password Password 73 : To set trip value of Over current, Press Under current, Asymmetry percentage Password 37 : To set Power on time, ITD, Trip delay time, reset Mode,Relay Fault mode,Power Fail Enter password 73...
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p a s Press Password Over Current Over Current - Enable for 5 sec Press RLY fault - OFF Enter password 37 Press Power on time P O N O.C Set point Press (0-99 sec) Press I T D (Initial time delay) Press (0-99 sec) Press...
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