In this way, status information, alarms, trip information and setpoints (e.g. overcurrent, phase

Introduction and Overview

WL Circuit Breaker

WL Circuit Breakers—Modular and

Intelligent

unbalance, overvoltage) increase transparency in power distribution systems, enabling these situations to be dealt with quickly. A communication host can send short text messages to the cell phones of maintenance personnel. Prompt analysis of this data enables targeted intervention in the process and helps reduce system down time.

Information for preventive maintenance (e.g. the number of operating cycles or hours) enables timely personnel and material scheduling, which increases system availability and helps prevent sensitive system components from being damaged.

Communication helps provide rapid and targeted information on the location and cause of power failures. The cause of the fault can be determined by recording the

Thousands of options with just a few components: That's the WL. A new generation of circuit breakers – from 200A to 5000A – with a modular design to support every conceivable application in power distribution systems – cost effective and flexible, its communication functionality enables it to be integrated in system solutions.

Cost Saving

Whatever the configuration, the WL Circuit Breaker does the job where it matters. Advantages include simple retrofitting and a compact design benefiting everyone who uses WL Circuit Breakers, whether in planning, business, or whether they develop or operate switchgear systems.

Easy Planning

Graphic Saving costs increases

1-1productivity.

phase currents (e.g. trip as a result of a short-circuit of 2317 A in phase L2 on 08/27/2002 at 14:27). This information can be used to quickly rectify the fault and reduces downtime for quicker recovery.

Measuring and communicating power, power factor and energy allows an even greater number of applications. The availibility of power consumption data on a targeted basis for business analysis enables power profiles to be created and costs to be clearly assigned. In this way, energy costs can be allocated and optimized by balancing the peak loads.

The WL Circuit Breaker and EasyTCC together provide a convenient software package for coordinating multiple circuit breakers.

Graphic Simplified planning every

1-2

step of the way.

 

System Solutions

By integrating WL Circuit Breakers in a higher-level communication system, they can be configured via MODBUS, Ethernet or the Internet; an integrated power management system allows you to optimize power distribution across the board.

System solutions - Supports Graphic energy management through

1-3advanced metering and communications.

1/2

WL MODBUS Communication and Electronic Accessories • January 2005

Page 6 Page 8
Page 7
Image 7
Siemens UL 489, UL1066 specifications WL Circuit Breakers-Modular Intelligent, Cost Saving, Easy Planning, System Solutions
Page 6 Page 8

UL 489, UL1066 specifications

Siemens UL1066 and UL489 are essential components in the landscape of electrical equipment, specifically in circuit protection and control. These standards ensure reliability, safety, and efficiency in various applications, including industrial, commercial, and residential settings.

The Siemens UL1066 is primarily focused on disconnect switches. These devices are designed to isolate electrical circuits, ensuring the safety of both personnel and equipment during maintenance or in case of faults. One of the key features of UL1066 disconnect switches is their high breaking capacity, enabling them to handle significant fault currents without failure. This characteristic is crucial in protecting downstream equipment from damage caused by short circuits. The UL1066 switches are also known for their robust construction, often featuring a metal enclosure that enhances durability and environmental resistance. Additionally, these switches can be operated manually or remotely, offering flexibility in operation and control.

On the other hand, Siemens UL489 circuit breakers provide comprehensive protection against overcurrents and short circuits. These devices not only interrupt fault currents but also protect connected devices from damage due to overload situations. Key features of UL489 circuit breakers include adjustable trip settings, which allow users to customize the response to overcurrent conditions based on specific application requirements. This adaptability makes them suitable for a wide range of environments, from large industrial plants to smaller commercial buildings.

Both UL1066 and UL489 products are constructed with advanced technologies, such as thermal-magnetic or electronic trip mechanisms in UL489 devices, ensuring precise and timely interruption of fault currents. These technologies promote energy efficiency and stability within electrical systems. In addition, many of these devices are equipped with indication features, providing clear visual status cues for quick assessment in emergency situations.

In terms of characteristics, both UL1066 and UL489 devices adhere to rigorous testing and certification processes to meet UL standards. This compliance assures users of their performance and reliability. Furthermore, the devices are designed to accommodate a wide range of operating temperatures and environmental conditions, making them versatile choices for various applications.

In summary, Siemens UL1066 and UL489 devices are paramount in ensuring safety and efficiency in electrical circuits. Their advanced features and robust construction make them indispensable in protecting both personnel and equipment in an array of industrial and commercial applications.
Top Page Image Contents