Mitsubishi molded case circuit breaker mccb are used to openclose lowvoltage circuits and protected wiring by automatically closing circuit when overload or short circuit occur. Lowvoltage circuit breakers mitsubishi electric fa. Install a dc high voltage circuit breaker on the input side dc circuit and ac circuit breaker on the output side ac circuit. Wss and wsv series mitsubishi electric united states. Molded case circuit breakers are the most common protective. The entire range of powerpact circuit breakers is defined. Double insulation this construction characteristic allows for the ul listed field installation of internal accessories without exposure to energized parts. Featuring a current rating of up to 3200 a, and with adjustable trip settings, mccbs can operate to a wide range of voltages, and frequencies of 50 hz, 60 hz or 400 hz. Molded case circuit breakers mining service circuit breakers eatons mining service circuit breakers provide short circuit protection as specified in the code of federal regulations 30 cfr 75. E 2 225400 ampere k frame and 400600 ampere l frame electronic trip units feature specifically designed instantaneous pickup settings to conform.
An mccb provides protection by combining a temperature sensitive device with a current sensitive electromagnetic device. Moldedcase circuit breakers are used to openclose lowvoltage circuits and protect wiring by automatically closing circuits when theyre overloaded or if a short circuit occurs. Molded case circuit breakers with measuring display unit nf with mdu. We have the pleasure of providing all our customers with the technical information for mitsubishi moulded case circuit breakers. Molded case circuit breakers mitsubishi electric americas. Moldedcase circuit breakers earthleakage circuit breakers. Molded case circuit breakers basics easypower youtube. Molded case circuit breakers mccb for low voltage systems. This is defined in the iec standard, iec 609472 and in the ul standard, ul 489. Both these devices act mechanically on the trip mechanism. Technical catalog abb sace molded case circuit breakers. Fuji molded case circuit breakers fieldmountable accessories bw9f0ca bw9f0ga dimensions units. Eatons series c molded case circuit breakers are ul489 listed for use in north america.
Molded case circuit breakers section 3 industrial circuit. Molded case circuit breakers earth leakage circuit breakers. The mitsubishi electric fa site offers material intended to help the customer find uptodate information, such as product information, technical manuals, catalogs, concerning lowvoltage power distribution products such as lowvoltage circuit breakers molded case circuit breakers. The mitsubishi electric fa site offers material intended to help the customer find uptodate information, such as product information, technical manuals, catalogs, concerning lowvoltage power distribution products such as lowvoltage circuit breakers. Molded case circuit breakers mitsubishi electric fa. Molded case 0 abb 96 chwestinghouseeaton 992 federal pacific 59 fuji 11 general electric 0 general electric all general electric 0 powerbreak 75 spectra series 164 other breakers 300 klockner moeller 28 merlin gerin 79 mitsubishi 45. Molded case circuit breakers 2 the ge family of molded case circuit breakers from 101200 amperes qline tey e150 f225 j600 k1200 application flexibility in switchboards, motor control centers and lighting, power and customized control panelboards, general electric molded case circuit breakers are used to provide reliable circuit protection. Mitsubishi moldedcase circuit breakers and earthleakage circuit breakers.
These breakers provide protection of circuits against overload, short circuit, and ground fault. Mitsubishi electric automation offers a comprehensive range of standard molded case circuit breakers and molded case circuit breakers with earth leakage detection that provide superior performance in isolation and power distribution applications. Molded case circuit breakers square d powerpact molded case circuit breaker 15 a to 3,000 a in addition, we understand your time is valuable and to help you increase your productivity, schneider electric has simplified the powerpact circuit breaker selection process. Tmax molded case circuit breakers dimensions t2 series overall dimensions t2 drilling template for support sheet 3p 4p 76. Reference manual protection equipment circuit breakers. Since production began in 1933 many millions of mitsubishi acbs, mccbs and mcbs have been sold. Schneider electric commercial and industrial circuit breakers. The toggle handle snaps into the tripped position if the breaker is tripped by one of. Molded case circuit breakers are used to openclose lowvoltage circuits and protect wiring by automatically closing circuits when theyre overloaded or if a short circuit occurs. Mitsubishi molded case circuit breakers and earth leakage circuit breakers.
The traditional molded case circuit breaker uses electromechanical thermal magnetic trip units that may be fixed or interchangeable. Hrl36060cu43x circuit breaker, powerpact h, micrologic 5. Electronic trip units are designed to meet a broad range of monitoring and protection requirements. Air circuit breakers programmable controllers melsec humanmachine interfaces hmis got invertersfreqrol industrial robots melfa ac servosmelservo contactors and motor starters molded case circuit breakers motion controllers 2d laser processing machines computerized numerical controllercncs regional distributors and system integrators.
Thanks to the double insulation technique, with all abb sace molded case circuit breakers the electrical accessories can be mounted directly in the field with the circuit breaker installed. They offer dependable branch circuit protection for commercial and industrial panelboards, switchboards, and motor control centers. Low voltage molded case circuit breakers and switch disconnectors dedicated for direct current dc applications including photovoltaic pv installations up to 1500 a. Moldedcase circuit breakers mccb nf mitsubishi electric.
Solutions include robots, automation platforms, sequence controllers, humanmachine interfaces, variable frequency drives, servo amplifiers and motors, motion controllers, computer numerical control, pcbased cnc, linear servos, and industrial sewing machines, for a broad range of factory automation applications. Molded case circuit breakers ul 489 and csa 5 test procedures. V4t21 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 molded case circuit breakers learn online drawings online series g circuit breakers power defense molded case. Molded case circuit breakers mccbs schneider electric. Molded case circuit breakers mitsubishi electric factory. It is a cubicle for boosting the output voltage from the power conditioning system to a voltage matching the system for the purpose of commercial electric power. Eaton s electronic trip units are available with series g molded case circuit breakers. Molded case circuit breakers,lowvoltage circuit breakers,lowvoltage power distribution products. This indicates the fundamental data of our circuit breakers regarding the applicable standards, constructional principles, and operational performances.
Molded case circuit breakers faq mitsubishi electric fa. Neither is a very good option for the end user in some cases, unauthorized resellers of molded case circuit breakers have been found. They can be combined with our nema and iec motor starters, overload relays, and contactors. Gl obal, h i g h p e r f o r m a n c e, r e l i a b l e, b e s t s o l u t i o n, i n t e l l i g e n t 02 b. Moldedcase circuit breakers world super wsv series. Get ready for a molded case circuit breaker mccb a circuit breaker that is assembled in a molded case. Mitsubishi low voltage circuit breakers create a future of the electrical equipment.
Molded case circuit breakers mccb mitsubishi electric. Mitsubishi nfs series technical notes pdf download. S e r i e s w o r l d s u p e r moldedcase circuit breakers. Circuit breakers for use in particular applications. Molded case circuit breakers have multiple frame sizes to accommodate your required current ratings and breaking capabilities. Mitsubishi electric fa site introduces information of low voltage power distribution product in latest information, product information, technological material, and the catalog, etc. Please read the instruction manual carefully before using the products in this catalog. Molded case circuit breakers earthleakage circuit breakers nf250sv 3p 200a 10 10 nv250sv 200a ac 100 200 500ma type name number of poles rated current specialpurpose breakers b mb rated voltage standard connection method b connection method motor protection al, sht 110vac internal accessories external accessories quantity quantity ax. Reference manual industrial controls protection equipment circuit breakers moldedcase circuit breakers edition 122012 answers for industry. Molded case circuit breakers for dc circuit up to vdc. Prices and data subject to change without notice 32 buylog catalog.
Series g circuit breakers molded case circuit breakers eaton. Products to be more suitable for the particular application. Ul 489 requires a unique test setup for testing circuit breaker interrupting ratings. The manual covers the product specifications for selecting an appropriate lowvoltage. Mitsubishi electric branch circuit breakersmccb page 11 standard molded case circuit breaker mccb mitsubishi nf series thermalmagnetic, hydraulicmagnetic and electronic tripping mechanisms iec 609472 up to 1600 amp frame size suitable for isolation ac or dc rated applications line and load side are not defined and.
Mitsubishi, the leading manufacturer of circuit breakers, has been providing customers with a wide range of highly reliable and safe moulded case circuit breakers mccb and earthleakage circuit breakers elcb, corresponding to the needs of the age. We offer a comprehensive line of factory automation solutions. Molded case circuit breakers section 3 industrial circuit breakers 70250a circuit breakers thermalmagnetic trip f225 line circuit breakers types tfj, tfk, thfk type tfj noninterchangeable trip, includes cual line and load lugs, suitable for reverse feed adjustable instantaneous complete breaker complete breaker. The abb tmax line of circuit breakers, with a range up to 3000a, has several key features that go along with its very small size. Mitsubishi electric fa molded case circuit breakers. The diagram below illustrates a typical calibrated test circuit waveform for a 20a, 240v, 2pole molded case. Available for replacements and upgrades up to 600 vac and 2500a.
400 1438 1341 668 1509 939 614 495 967 741 186 1224 641 408 1521 1536 265 1247 434 536 190 1354 1580 972 300 671 130 518 525 1307 1111 932 1337 438 89 997 1164 282 1443 284 733