Gossen MetraWatt AT3-III E Operating Instructions Manual
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Gossen MetraWatt AT3-III E Operating Instructions Manual

Test adapter for the active and passive testing of single and 3-phase electric devices and extension cables in combination with secutest.../seculife st test instruments (m7050…, m7010... and m6930...)
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Operating Instructions
AT3-III E Test Adapter
For the Active and Passive Testing of Single and 3-Phase
Electric Devices and Extension Cables in Combination
with SECUTEST.../SECULIFE ST Test Instruments
3-349-155-37
(M7050..., M7010... and M6930...)
17/3.21

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Summary of Contents for Gossen MetraWatt AT3-III E

  • Page 1 Operating Instructions AT3-III E Test Adapter For the Active and Passive Testing of Single and 3-Phase Electric Devices and Extension Cables in Combination with SECUTEST.../SECULIFE ST Test Instruments 3-349-155-37 (M7050…, M7010... and M6930...) 17/3.21...
  • Page 2 Test Adapter AT3-III E Device Plugs and Outlets Self-Test 1 CEE outlet 11 Test key for triggering I = residual current) n n 3P+N+PE, 32 A, 400 V Connectors for Test Instruments 2 CEE outlet 12 Earthing contact outlet for power supply to test instru-...

  • Page 3: Table Of Contents

    Applications • of contact current The portable AT3-III E test adapter (Z745S) is used for measuring and testing single and 3- Only if the utilized test instrument is capable of perform- phase electrical devices and extension cables in...

  • Page 4: Safety Precautions

    Note! test should be separately fused. The AT3-III E test adapter is equipped with • Before connecting the AT3-I II E to the mains, electronic error monitoring which discon-...

  • Page 5: Connecting The Test Adapter To The Mains

    Resistance  Zero Balancing. rent, connect the test instrument port (14) of If the AT3-III E is out of use for a prolonged period the AT3-III E into sockets 2 and 3 at the of time, the earthing contact faces of the plug- SECUTEST SIII / SIII+ / SIII+H;...

  • Page 6: Measuring Insulation Resistance And Equivalent Leakage Current

    L3 (9) before switching the device under test The test outlets (1 – 4) are disconnected from the mains by the safety shutdown func- tion included with the AT3-III E for devices under test with fault currents of greater than 18 mA during measurement of protective conductor current with residual current.
  • Page 7 The short-circuit test displayed at the test instru- ment cannot be performed due to safety imped- Reconnect the AT3-III E to the mains. The test ances which have been integrated into the AT3- adapter is once again ready for use after a brief III E for testing 3-phase devices.

  • Page 8: Testing Of Differential Current During Automatic Testing Per Test Standard

    Select switch position „active“ here. ➭ Line voltage is applied to the DUT via the AT3-III E tester. The differential current of the DUT is mea- SECUTEST S2N+ / S2N+10 / N+w: sured while allowing for a function test of the DUT.

  • Page 9: Functional Testing For Short-Circuits, Interruptions And Reversed Conductors Of Cables L1, L2, L3 And N

    230 V 50 Hz SECUTEST Figure 2 Connecting Single Phase Extension Cables to the AT3-III E and the SECUTEST SIII / SIII+ / SIII+H; SECUTEST S2N+ / S2N+10 / N+w; SECULIFE ST / ST HV Gossen Metrawatt GmbH...
  • Page 10 SECUTEST 230/400 V 50 Hz Figure 3 Connecting 3-Phase Extension Cables to the AT3-III E and the SECUTEST SIII / SIII+ / SIII+H; SECUTEST S2N+ / S2N+10 / N+w; SECULIFE ST / ST HV 230 V 50 Hz SECUTEST Figure 4 Connecting Single Phase Extension Cables to the AT3-III E and the SECUTEST BASE / BASE10 / PRO;...

  • Page 11: Self-Test

    SECUTEST 230/400 V 50 Hz Figure 5 Connecting 3-Phase Extension Cables to the AT3-III E and the SECUTEST BASE / BASE10 / PRO; SECUTEST ST BASE / ST BASE10 / ST PRO; SECULIFE ST BASE / ST BASE25 Self-Test Performing the I Self-Test n...

  • Page 12: Technical Data

    Electrical Safety Pollution degree Safety Class I per DIN EN 61140/ VDE 0140-1 Residual Current Shutdown (4-pole) at = 14,6 mA, = 82 ms Device Fuses F0315 L250V 5 x 20 T32mA L 250 V DIN EN 60127-2 Gossen Metrawatt GmbH...

  • Page 13: Maintenance

    ElektroG (German Electrical and Electronic Device Law). This device is subject to the WEEE directive. Gossen Metrawatt GmbH Furthermore, we make reference to the fact that Product Support Hotline the current status in this regard can be accessed Phone: +49 911 8602-0 on the Internet at www.gossenmetrawatt.com by...
  • Page 14 © Gossen Metrawatt GmbH Edited in Germany Subject to change without notice / Errors excepted  A PDF version is available on the Internet All trademarks, registered trademarks, logos, product names, and company names are the property of their respective owners.

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