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The Sonel MZC-306R meter is fully Network Rail PADS approved under the Network Rail Certificate of Acceptance PA05/07453 and catalogue number 0092/010414. Approved for use in testing on the Network Rail 650V electrical system Signal Power feeders to test the fault loop impedance measurements. The Sonel MZC-306R measures Ik sometimes called PSCC (Prospective Short Circuit Current).
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In the direct vicinity of transformers or in transformer stations, where the circuits are equipped with a high current protection (fuse-links with the rating of several hundred amperes, motor circuit breakers), fault currents may reach several hundreds of kilo-amps. Measurement of fault loop impedance in such networks requires a high-current meter, which is capable of measuring ZS values at the level of single milliohms.
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The Sonel MZC-330S advanced high current meter is the right choice for professionals in the renewables wind power (690V), electrical, as well as installation and measurement industries. The device combines extensive measuring capabilities with high durability and resistance to harsh working conditions. A specially developed ventilation system translates into greater efficiency and significantly reduces working time.
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The Sonel MZC-340-PV high-current short-circuit loop impedance meter for operating voltages up to 900V AC with measurement category CAT IV 1000 V and efficient ventilation system for smooth and effective operation without downtime. It is only wirelessly controlled. The Sonel MZC-340-PV advanced high current meter is the right choice for professionals in the solar PV (800V), power, electrical, as well as installation and measurement industries. The device combines extensive measuring capabilities with high durability and resistance to harsh working conditions. A specially developed ventilation system translates into greater efficiency and significantly reduces working time.
