The combination of tripping curves of the electromagnetic release and the thermal bimetal release result in an overall tripping curve for overload protection. The intuitive software interface includes data such as metering values and timings for overload or ground. Simple dials provide access to a wide setting range of 0. The test tab provides the flexibility to set circuit breaker specifications for overcurrent and ground fault, and then test it in either a trip or no trip mode for curve validation. A simple, ultrafast acting signal, transmitted between electronic trip units, communicates the fault location, determines which circuit breaker will respond to a fault, and which circuit breakers remain closed. Curves allows the visualization of the timecurrent, letthroughenergy and peak limitation characteristics of abb low voltage devices as well as cables and transformers. Working with the trip characteristic curves of abb sace.
Click on the description in objects panel or on the curve of the breaker to open its control panel on the right. The business provides customers, across various industries. Des098c powerbreak, powerbreak ii, akr and wavepro. Curves curves is an instant software for setting the trip characteristics of the protection devices and verifying selectivity between abb circuitbreakers in low voltage plants. Coordination tables 1sdc007004d0204 due to possible developments of standards as well as of materials, the characteristics and dimensions specified in the present catalogue may only be considered binding after confirmation by abb sace. The business provides customers, across various industries, with endtoend product and service. S6n abb sace s6n molded case breakers6n600 amp600v4 poleno lugssace pr211 trip unit 600 ampli functions each used s6n will be cleaned tested with report and backed by our 1 year warranty.
Timecurrent curves are shown as bands, and the actual performance of any one breaker can fall anywhere within the band. Abb s201c16 circuit breaker, supplementary, c curve. Meeting the challenges of changing energy systems requires cuttingedge products and services covering the entire energy value chain. Circuit breaker cb2 will trip if the overload remains for 0. To select new circuitbreakers when discrimination is mandatory. Introduction this white paper is aimed at making easier the reading and the interpretation of the characteristic curves trip curves, speci. If the fault occurs downstream of breaker cb3 it will trip first and clear the fault. Abb provides a wide range of software and mobile applications to help you selecting precisely what you need, in a simple yet effective way. The breakers offer thermalmagnetic trip protection according to b, c, d, k and z characteristics.
The system represented by this curve is well coordinated and adequately protected from damage. Trip curves predict the behavior of circuit protection devices in both slower, smaller overcurrent conditions, and larger, faster over current conditions. Working with the trip characteristic curves of abb sace low voltage circuit breakers abb sace 1. By staying here you are agreeing to our use of cookies. How to calculate circuit breaker trip settings hunker. Adjustable instantaneous with tracking shorttime is standard on all frames. Choosing, dimensioning and drawing your application has never been easier. Use the protection settings tab to modify and save values into the trip unit memory. Off functions of the trip units by clicking on the corresponding check box. Choosing the correct trip curve for your application provides reliable circuit protection, while limiting nuisance or false trips. May 17, 2015 circuit breaker cb3 is set to trip if an overload of 2000a or greater occurs for 0.
The first of the line, premeon s, combines sophisticated 32 bit technology with a complete set of protection functions. Curves is an instant software for setting the trip characteristics of the protection devices and verifying selectivity between abb circuitbreakers in low voltage plants. Abb pad submitter fully automates the process of submitting software pad files to over 200 popular shareware and freeware sites. Timecurrent curves cables the timecurrent curves for cables are also known as damage curves. Des095b powerbreak, powerbreak ii, akr and wavepro. Abb s electrification business has always been at the forefront of innovative electrification and today is writing the future of safe, smart and sustainable electrification. Abb s201c16 circuit breaker, supplementary, c curve, 1. As this curve is reporting the amount of current vs time, it is aptly called a time current curve. The sequence reset time is also userconfigurable, and it has a range from 0. Trip unit toolkit is a powerful software package that enables users to manage, monitor and test parameters present in the ge range of entelliguard, premeon and microentelliguard trip units. Working with the trip characteristic curves of abb sace low.
Ge has thousands of quality electrical parts that you can count on. This may differ among circuits, so always check each breakers capacity individually when calculating the electrical load that will cause that breaker to trip. Working with trip characteristic curves of low voltage. Specifically, it calls for a comprehensive portfolio of physical and digital technologies, products and solutions that allow us. Jul 17, 2017 each circuit breaker in your breaker panel is labeled with the maximum amperage current capacity for that circuit. Premeon is a new line of electronic trip units for record plus frames fe and fg, it is designed to offer uncompromising reliability in all network environments. Premeon is a new line of electronic trip units designed to offer uncompromising reliability in all network environments. A list of the latest improvements and bug fixes for abb edesign software. Sel651r advanced recloser control schweitzer engineering. Molded case circuit breaker specifications technical data. Etap star protective device coordination software provides a plot options tool with all the necessary options to customize the display of the time current characteristic curve. Every circuit breaker has a characteristic curve that reports the manner in which it trips. Meggered, ductored and tested on high current primary injection test set. Choosing the right low voltage products for complex installations can be extremely time consuming.
Comparison of tripping characteristics for miniature circuit. Abb thermal magnetic circuit breakers product list at newark. An electric system shall be protected by the damages which may result from overcurrents. Its intuitive interface provides simple, easy access. Features and benefitsmanagethe trip unit toolkit makes it easy and convenient to set parameters for overcurrent, alarms, io relays and zsi. Longtime trip curve thermal i2t des096b powerbreak, powerbreak ii, akr and wavepro. Features may be described herein that are not present in all hardware and software systems. Trip unit simulator circuit breakers low voltage abb.
Some brands of breakers are more sensitive than others and will trip when they near maximum capacity, even if your load does not exceed it. This is the trip curve for the bimetallic strip, which is designed for slower overcurrents to allow for in rushstartup, as described above. The miniature circuit breaker su200 m is abbs solution for ul 489 branch circuit protection up to 480 y277 v ac and 96 v dc. Find eaton s time current curves for protective relays, fuses, loadcenters, panelboards and circuit breakers both current and vintage. The trip unit toolkit makes it easy and convenient to set parameters for overcurrent, alarms, io relays and zsi. Abb air or moulded case circuit breaker equipped with an. The desire for the best protection, which requires miniature circuitbreakers to be highly sensitive, has to be reconciled. Ekip view is the software for supervising devices connected to a communication network that uses the modbus rtu or modbus tcp protocol. Trip or clear on and to right of curve all devices should be considered at same voltage 18. It also has minimal arc flash hazard category ratings due to low instantaneous circuit breaker trip values. Move the mouse cursor on the edge of a curve until it changes its shape into an horizontal double headed arrow for current thresholds, and a vertical double headed arrow for time thresholds. The desire for the best protection, which requires miniature circuitbreakers to.
Below youll find a list of the the most common curve types and their instantaneous trip ratings. Welcome to the section dedicated to the simulators of the trip units that protect abb sace circuitbreakers. Generally, the higher the current spike, the faster the breaker will trip. It is designed to react quickly to large overcurrents. Abb assumes no obligation of notice to holders of this document with respect. Abb library is a web tool for searching for documents related to abb products and services. Using the trip unit toolkit, you can digitally test, record and share results for circuit breaker diagnosis. The s200 devices are ul tested current limiting and din rail mounted. Using plot options, it is possible to customize the display of the current and time axes, legend, grid, curve plotting colors and properties, and more. Curve direct is a tool designed to carry out a discrimination study based on protection device tripping curves. Abbs electrification business has always been at the forefront of innovative electrification and today is writing the future of safe, smart and sustainable. Record plus premeon industrial solutions abb group.
This curve referred to the individual tripping characteristic represents the time current behavior of a miniature circuitbreaker. You are a panel builder, electrical calculation tools can help you. Sep 19, 2017 every circuit breaker has a characteristic curve that reports the manner in which it trips. Try to leave some extra wattage available on each circuit so plugging in items like vacuum cleaners or. The s200 is available with applicationspecific trip characteristics to provide maximum circuit protection. When connected, the values are read from the trip unit memory via the rs232, usb located in front of the trip unit or rs485 located in the back. When connected, the values are read from the trip unit memory via the serial port located on the front screen of the trip unit. The sel651r is a plugcompatible replacement for most kylecooper fxa, fxb, and form 3, 3a, 4, 4a, 4c, 5, and 6 recloser controls. You can select the required protection trip unit either directly or by pre. Working with trip characteristic curves of low voltage circuit breakers photo credit. It provides details on long time, short time, instantaneous and ground fault. This video contains an explanation of an electronic trip unit for molded case circuit breakers. Control engineering understanding time current curves.
An overcurrent can be divided into short circuit and overload. Abb s electrification business has always been at the forefront of innovative electrification and today is writing the future of safe, smart. Industrial solutions empowers smarter business operations by connecting equipment, software and services to protect, control and optimize assets within electrical infrastructures. Apr 27, 2018 this video contains an explanation of an electronic trip unit for molded case circuit breakers. Abb curves software free downloads shareware central. Curve direct interfaces with rsu modules which let you modify the settings of micrologic. Ges entelliguard tu is the trip unit with the builtin flexibility required to match your systems needs, whether for optimum safety, optimum system reliability, or both at the same time. Characteristics of circuit breaker trip curves and coordination. As this curve is reporting the amount of current vs time, it. Industrial solutions empowers smarter business operations by connecting equipment, software and services to protect, control and optimize assets within. This circuit breaker is an allround device for ac and dc applications for universal use in north american and global markets due to its approvals acc. This is the only official document published by abb edesign product manager. Reproduction of the contents of this manual, in whole or in part, without written permission of rockwell automation, inc.
Introduction curves allows the visualization of the timecurrent, energy and peak limitation characteristics of abb low voltage. To preset protection trip unit and to display the result on the time current curve. Using the example cfd6 breaker and 200 ampere trip unit, the time the breaker will trip for any given overload can easily be determined using the same procedure as previously discussed. Curves user guide pag 9 circuit breaker with electronic trip unit how to set an electronic trip unit. Industrial solutions empowers smarter business operations by connecting equipment, software and services to protect, control.
Industrial solutions has the reliable parts and services you need. Use the sel651r for your most demanding recloser applications. Competitive prices from the leading abb thermal magnetic circuit breakers distributor. This section will allow you to explore the interface, make a configuration, display the signals and conduct an operating simulation. To preset protection trip curves when protection discrimination is mandatory. An overcurrent can be divided into short circuit and overload working with trip characteristic curves of low voltage circuit. The use of highly accurate sensing technology and of stateoftheart electronics, reduces the tolerances on expected tripping currents and the associated time spans to a minimum.
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