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This Tester is fully programmed and gives an accurate digital readout of tripping time and Current. It also has a 2000ms readout for testing the latest delay action breakers.

"Includes a very useful quick-check for correct wiring"

RCD Tester | AMECaL ST-9054A

  • Features:

    • 2 LEDs give quick check for correct wiring
    • Zero cross circuitry permits testing at 0° and 180° portion of the sine wave


    Trip current10mA to 1A(-2%+10%)+6d
    Trip time1ms – 2000ms±(2%rdg+2d)
    Voltage230 (+10% - 6%)±(2%rdg+3d)

    CAT III 1000V; EMC & LVD; EN: 61326; EN: 61010-1; EN: 61010-031
    Calibration Available:

    To add Calibration to your order, please call AMECaL for pricing on 0191 262 2266 or email

    All specifications, illustrations and descriptions of AMECaL Products are intended to give a general idea of the Products available and are subject to alteration. We reserve the right to substitute an alternative of similar specification at our discretion. AMECaL has taken all reasonable steps to ensure the accuracy of Product information provided, but we accept no liability for any errors or omissions.

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