Kyoritsu 5406A User Manual

MODEL５４０６ADIGITAL RCD（ELCB）TESTERINSTRUCTION MANUALKYORITSU ELECTRICAL INSTRUMENTSWORKS，LTD.

―8―LED indication of correct The P-E and P-N LEDs illuminate whenthe wiring of the circuit under test iscorrect. The reverse LED is lit when P

―9―5. Residual Current Device (RCD) Test5.1 RCD testRCD is a switching device designed for breaking currents (opening thecontacts) when the residu

―10―● RCD type S = Selective type (with trip out time-delay), this RCD isspecially designed for electrical installation where the selectivitycharacte

―11―There is also another kind of RCD called "Type B", for which tripping isensured for residual sinusoidal alternating currents (lik

―12―L1 L2 L3 N PE R R O RCD Practical example of 3-phase + neutral RCD test in a TT system. Practical example of single phase RCD test in a TN system

―13―5.2 RCD test ON "OLD TT SYSTEM"CAUTIONM5406A can operate in OLD-TT system with the follwing I⊿n,however, the accuracy is not assured

―14―6. TEST PROCEDURE6.1. Preparation(1) Insert the mains lead into the instrument. (Fig. 9,10)(2) Plug the instrument into the socket outlet th

―15―(3) Press the 0°/180°switch to change the phase and repeat step(2) .(4) Change the phase again and repeat step (2).●Be sure to return the tested R

―16―Test Lead Model 7121 (Optional Accessory)Fig. 9Fig. 10● If the "Test button" is released, the result will be displayed for 3s beforereve

―17―7. SERVICINGIf this tester should fail to operate correctly, return it to your distributor statingthe exact nature of the fault. Please remember t

CONTENTS1. Safe Testing ... 12. Procedure of removing cover ...

01-0592-1490DISTRIBUTORKyoritsu reserves the rights to change specifications or designsdescribed in this manual without notice and without obliga

―1―1. SAFE TESTINGElectricity is dangerous and can cause injury and death. Always treat itwith the greatest of respect and care. If you are not quite

―2―DANGER● This instrument is intended only for use in single phase operationat 230V +10% -15% AC phase to earth or phase to neutraloperation or for u

―3―2. PROCEDURE OF REMOVING COVERModel 5406A has a dedicated cover to protect against an impact from theoutside and prevent the operation part, th

―4―3. FEATURES3.1 Instrument Layout1 ... LCD2 ... 0°/180°SWITCH 3 ... UL VALUE SELECT SWITCH (25V/50V)4 ... I⊿n SWITC

―5―DANGER● Use original test lead only.● Max. allowed voltage between mains test terminals and ground is300V.● This unit is only intended for single p

―6―3.4 Applied StandardsInstrument operation: IEC/EN 61557-1,IEC/EN 61557-6Safety: IEC/EN 61010-1 CATⅢ(300V) - instrumentIEC/EN 61010-2-31 CATⅢ(600V)

―7―4. SPECIFICATION● Measurement SpecificationFunctionRatedvoltage(AC)Trip CurrentSettings(I⊿n)Trip CurrentDurationAccuracyTrip currentTrip Time1000ms