Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
официальный партнер Сименс
Каталог СА01 2018
(4872) 700-366
skenergo@mail.ru
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  • GFM AT 45B (only for ETU45B) alarm and tripping
  • GFM AT 55B-76B (only for ETU76B) alarm and tripping

For direct measurement of the ground-fault current, e. g. in the neutral point of the transformer, a 1200 A/1 A current transformer, class 1, is required. The internal load of the SENTRON 3WL is 0.11 О©. If the ground-fault current is to be determined using the vectorial sum of the phases, a transformer must be installed in the neutral conductor.

















Каталог оборудования 2018
Siemens Industry Catalog Drive technology Automation technology Energy Low-voltage - Power distribution Low-voltage components SENTRON Protection, Switching, Measuring and Monitoring Devices Protection Devices Air Circuit Breakers 3WL Air Circuit Breakers 3WL Air Circuit Breakers/Non-Aut. Air Circ. Br. up to 6300 A (AC), IEC 3-pole 4-pole Accessories Size 1-3 Guide Frames Protective Devices with Device Holder and Optional Meas. Function Rating Plugs Ground-Fault Modules Display Current Transformers for N Conductor Protection EMC Filters More Accessories for Electronic Trip Units Locking Devices Locking Mechanisms Interlocks Indicators, Control Elements Test Devices Capacitor Storage Devices Auxiliary Conductor Connections Auxiliary Releases Operating Mechanism Auxiliary Contacts Door Sealing Frames, Hoods, Shutters Arc Chutes Coding for Withdrawable Version Grounding Connection Support Brackets CubicleBUS Modules Parameterization Systems Accessories for Communications Retrofitting and Spare Parts Main Conductor Connections, Fixed-Mounted Versions Main Conductor Connections, Withdrawable Versions Conversion Kit Main Contact Elements Withdrawable Short-Circuiting, Grounding and Bridging Units 3WL Air Circuit Breakers/Non-Aut. Air Circ. Br. up to 5000 A (AC), UL 3WL Non-Automatic Air Circuit Breakers up to 4000 A (DC) Molded Case Circuit Breakers Miniature Circuit Breakers Residual Current Protective Devices/Arc Fault Detection Devices Fuse Systems Overvoltage protection devices SENTRON Communication-Capable Circuit Breakers Switching Devices Measuring Devices and Power Monitoring Monitoring Devices Distribution board components Modular Installation Devices, Overall Depth 55 mm >N< Software DELTA Switches and Socket Outlets Low-voltage systems Medium-voltage - Power distribution Energy Automation Products Building Technologies Low-Voltage controls and distribution Safety Systems - Safety Integrated Market-specific solutions Industry Services Software ... and everything else you need




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