Air Circuit Breakers. Introduction. 7. Siemens 3WL IEC Breakers Communication-capable circuit breakers (with ETU45B or ETU76B Electronic Trip Unit). 4. 3WL SAMPLE CASE ETU45B ETU76B COM15 ACCESSORIES CIRCUIT- BREAKER 3WL DEMO CASE SET, COMPLETE, CURR. SIMUL. WITH ETU45B AND. Etu45b Unidad Disparo Siemens – Download as PDF File .pdf), Text File .txt) or read online.
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Every power supply depends upon a reliable infeed of electricity. The modular design and uniform accessories make it possible to flexibly adapt the circuit breakers to different applications. Versions in accordance with UL are available for international use. The electronic trip unit of the air circuit breakers is available in different versions.
Protection, measuring, and communications functions are easy to implement, even in existing installations. A rating plug that is fast and easy to replace, for example, makes etu45g possible to adjust the rated current without the time-consuming process of exchanging the converter. Expandable locking devices or mechanisms prevent accidental switching. Auxiliary, signaling, and position switches report condition and fault sieemns to higher-level control systems, even remotely.
The powerconfig configuration software is the combined commissioning and service tool for communication-capable measuring devices and circuit breakers from the SENTRON portfolio. The PC-based tool makes the parameterization of the devices easier, which gives rise to considerable time savings, particularly when several devices have to be set up.
3WL air circuit breakers
The powerconfig configuration software enables you to use siemehs single software program for parametrization, documentation, operation, and monitoring. Sie,ens and measured values are conveniently documented and the available devices statuses and measured values are displayed in standardized views.
Device data can be stored on a project-oriented basis, and all available parameters are clearly presented — including plausibility testing of the inputs. The design of powerconfig is so user-friendly that no programming knowledge is necessary. The most important functions of powerconfig are also available in the TIA Portal — and thus directly integrated in the industrial automation environment.
The communications-capable switches minimize the space requirements in the switchgear. With individual electronic trip units, comprehensive internal and external accessories, and a variety of connection technologies, these can be flexibly integrated into switch boards in accordance with IEC and incorporated into higher-level energy management systems via communications modules. Communications-capable components such as the 3WL air circuit breakers make it possible to monitor the electrical power distribution and identify optimization and savings potentials.
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The variable molded case circuit breakers provide for the reliable protection of people and plants, transparent energy flows, and support the entire engineering process. Whether motors, capacitors, transformers, busbars, or cables — 3WL air circuit breakers reliably and efficiently protect electrical installations against damage or fire.
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Components for consistent, safe, and intelligent low-voltage power distribution and electrical installation. Systems for consistent, safe, and intelligent end-to-end low-voltage power distribution and electrical installation engineering. Because power matters for industries, buildings, and infrastructure, Totally Integrated Power provides reliable, secure, and efficient power, even in harsh environments. Well-conceived, modular, and variable — the communications-capable 3VA molded case circuit seimens.
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Molded case circuit breakers Protection concept Arc fault detection devices Overvoltage protection devices Miniature circuit breakers Residual current protective devices Air circuit breakers Fuse systems.
Reliable, versatile, and perfectly integrated Every power supply depends upon a reliable infeed of electricity. Find the right air circuit breaker Siemens Industry Mall. Description Heart of the electrical power distribution 3WL air circuit breakers are used as incoming-feeder, coupler, and outgoing-feeder circuit breakers in electrical systems in industry, buildings, and infrastructure applications.
They have communications capability and can be easily integrated into higher-level control and energy management systems. Maintenance and retrofitting of the 3WL circuit breaker is easy and can be done in few steps. Extremely versatile 3WL air circuit breakers switch and protect motors, capacitors, generators, transformers, busbars, and cables. Expandable at any time The electronic trip unit of the air circuit breakers is available in different versions.
Fully integrated 3WL air circuit breakers can be optionally equipped with a communications module and integrated into higher-level energy management systems. Configure your 3WL air circuit breaker 3WL configurator.
Portfolio A broad product range 3WL air circuit breakers are available in four sizes, each featuring a 3- and 4-pole design, and cover a power range from A to 6, A. The modular portfolio offers flexibility and provides for easy assembly and subsequent adjustment. Downloads and Support Take advantage of our services Here you will find important information, documents, and addresses relating to low-voltage power distribution and electrical installation technology.
Image database CAx download manager Tender specifications. Links Contact in your region. Siemens Industry Online Support. Order now Protection against short circuit, ground fault, and overload Whether motors, capacitors, transformers, busbars, or cables — 3WL air circuit breakers reliably and efficiently protect electrical installations against damage or fire.
Low-voltage components Components for consistent, safe, and intelligent low-voltage power distribution and electrical installation. Systems for low-voltage power distribution Systems for consistent, safe, and intelligent end-to-end low-voltage power distribution and electrical installation engineering. Totally Integrated Power Because power matters for industries, buildings, and infrastructure, Totally Integrated Power provides reliable, secure, and efficient power, even in harsh environments.