Kyoritsu 5406A RCD Tester

The Kyoritsu 5406A  is a high specification RCD tester featuring trip time and ramp current testing controlled by a custom microprocessor for high accuracy and reliability.

The 5406A’s constant current source circuitry enures that a fluctuating mains voltage does not affect the accuracy of readings.

Applications:
Performing trip time tests and ramp current tests on RCD’s as required by electrical regulation and as detailed in the AS/NZS3760:2003.

    Kyoritsu 5406A User Manual

 

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Kyoritsu 5406A RCD Tester

The Kyoritsu 5406A RCD Tester is used to an RCD which is is a protective device used to automatically disconnect the electrical supply when an imbalance is detected between live conductors. In the case of a single-phase circuit, the device monitors the difference in currents between the active and neutral conductors.

In a healthy circuit, where there is no fault current flowing to earth or protective conductor current, the sum of the currents in the line and neutral conductors is zero. If a line-to-earth fault develops, a portion of the line conductor current will, therefore, not return through the neutral conductor. The RCD monitors this difference, operates and disconnects the circuit when the residual current reaches a preset limit, the “residual operating current”. This is what the Kyoritsu 5406A tests.

Kyoritsu 5406A RCD Tester Features:

• Custom microprocessor controlled for highest accuracy and reliability.
• 3 LEDs for checking correct wiring status.
• 0 and 180 degree phase angle switch permits quick tests and consistent readings.
• Digital read-out of tripping time.
• Constant current source circuitry ensures that a fluctuating mains voltage does not affect the accuracy of readings.
• Large custom digital display readout.
• Visual indication of reversed phase and neutral wiring at socket.
• Designed to IP54 Rating.
• Complies with IEC 61557
• Test of a large kind of RCD’s: Standard, Selective, AC and A (DC sensitive breakers)

Kyoritsu 5406A RCD Tester Specifications:

Rated Tripping Current |10/20/30/200/300/500mA
Fault Condition Settings |x 1/2, x 1, x 5, x DC,
|AUTO RAMP
Trip Current Duration |1000ms, 200ms (x5)
Lowest Resolution |1ms
Trip Time Accuracy |±0.6%rdg±4dgt
Operating Voltage |230V+10%-15%
|(195V – 253V) 50Hz
Safety Standard |IEC 61557-1,-6
|IEC 61010-1 CAT III 300V
|IEC 61010-2-031 Pollution Degree 2
Withstand Voltage |3700V AC for 1 minute
IP Rating |IEC 60529-IP54
Dimensions |186(L) x 167(W) x 89(D)mm
Weight |800g approx.
Accessories |Molded plug test leads
|Pouch for test leads
|Shoulder Strap
|Instruction Manual
Optional |7121B (Simplified measurement probe)