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Electrical Equipment & Systems ->
Electrical Transmission & Switching ->
Circuit Breakers
Circuit Breakers
(Showing headlines 1 - 20) more ....
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High Voltage Circuit Breaker serves ratings from 15 kV to 72.5 kV.ABB Inc.
Wickliffe, OH 44092
May 04, 2012
72PM40-30B dead tank gas circuit breaker serves ratings as low as 15 kV up to 72.5 kV, with interrupting performance up to 40 kA, and continuous current ratings through 3000 A for power transmission and distribution systems. Breaker is rated for maximum applications of M2 (10,000 operations mechanical endurance), C2 (capacitor switching endurance), cap switching factor of 1.4, and first-pole-to-clear factor (defines most severe TRV requirements) of 1.5.
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 Electric Panelboard features integral bus bar system.Appleton
Rosemont, IL 60018
Apr 06, 2012
Suitable for use on lighting, heat trace, and power circuits, PowerPlex(TM) is available with bus bar system, which replaces standard hard-wired system and does not require rewiring if branch circuit ampacity increases. Rated at 100 A, bus bar provides resistance to short circuits and mechanical failures. PowerPlex, engineered for Class I Zone 1 and Class I Division 2 environments, transfers flamepath protection from enclosure to individual circuit breaker housings.
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 Molded Case Circuit Breaker suits applications up to 240 Vac.ABB Automation
New Berlin, WI 53151
Mar 22, 2012
Dedicated to common, general-use applications, 2.36 in. deep FORMULA UL series includes A1 and A2 frames that reach 100 and 250 A, respectively. Each is available in 1-, 2-, and 3-pole varieties in fixed version with front terminals standard. Protection trip units are fixed thermal and magnetic threshold values, allowing precise selection and facilitated commissioning for protection of networks in alternating current installations. Max breaking capacity is 25 kA at 240 Vac.
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 Vacuum Recloser features 38 kV rating.ABB Ltd.
Zurich CH-8050 Switzerland
Feb 29, 2012
Equipped with RER620 Intelligent Electronic Device, 3-phase GridShield® features single-phase tripping capabilities. Unit has modular pole assembly and can function as recloser, sectionalizer, or automated load break switch. Offering integrated loop control, RER620 comes standard with fully implemented IEC 61850 and GOOSE messaging features, as well as inrush detection for use in distributed generation applications, and high impedance fault detection for downed conductor detection.
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 Electronic Circuit Breaker protects 12 Vdc circuits.Weidmuller, Inc.
Richmond, VA 23236
Feb 28, 2012
Approved for Zone 2 hazardous areas, Model ESX10-TC uses active current limitation and ensures selective disconnection of 12 Vdc load systems in factory and process control applications. DIN rail-mount device, measuring 12.5 mm wide, includes remote reset or on/off control, cross-connection busbars, and integral multi-color LED status indicator. Typical process applications include remote, unmanned equipment where lightning or other transient surges trip protection equipment.
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 Vacuum Circuit Breaker targets electrically operated trains.TE Connectivity Ltd.
Berwyn, PA 19312
Jan 19, 2012
Providing electro magnetically operated system for 25 kV and 15 kV vehicles, VESA VCB is qualified for high- and medium-speed trains and operates successfully in range of varying weather and climate conditions. Unit can be customized with earthing arms, various operating voltage options, and integration of additional control relays and feedback switches. With self-cleaning insulators and minimized reliance on pneumatic systems, maintenance time is reduced.
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 Automatic Transfer Switches suit emergency power systems.Russelectric, Inc.
Hingham, MA 02043
Jan 09, 2012
Rated for 5-15 kV, Medium-Voltage Circuit Breaker-Type Switches transfer electrical loads between normal and emergency power sources through controlled opening and closing of circuit breakers. Units may be configured for open- or closed-transition transfer, and all switch functions are controlled via RPTCS programmable microprocessor-based system. Though designed for unattended operation, switches include controls for manual operation and provide protection for personnel.
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 Hydraulic Magnetic Circuit Breakers are UL489 listed.Automation Systems Interconnect Inc.
Mechanicsburg, PA 17055
Aug 22, 2011
Available in AC and DC trip curves and with 1, 2, or 3 poles, Series NDB3-100 is suited for telecommunications equipment. Screw-mount units feature rated voltage of 230/400 Vac, 80 Vdc and rated current of 1-100 A. Hydraulic magnetic overload technology protects circuit in both overload and short circuit conditions. All models are RoHS compliant.
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 Medium Voltage Circuit Breakers support wind applications.Eaton Corp.
Pittsburgh, PA 15272
Aug 10, 2011
Providing circuit protection for wind farm collector substations, 38 KV VCP-Wind Circuit Breakers incorporate vacuum interrupters, which switch high stress currents and require no cooling or ventilation systems. Units are encapsulated in epoxy resin material and are designed to require virtually no maintenance over product life cycle. With current ratings up to 2,000 A, circuit breakers meet ANSI and IEEE C37.09 standards.
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 Factory Sealed Panelboards suit hazardous locations.Adalet
Cleveland, OH 44135 3301
Jul 28, 2011
Designed for use in Class I, Div 2, Groups BCD and U.S. Zone 2 areas such as refineries and petrochemical installations, pre-wired Panelboards are factory sealed from the circuit breakers inside cast aluminum explosionproof enclosure to main distribution block and branch terminals housed in IP66/NEMA4X stainless steel enclosure. Units are equipped with padlockable external operating handles, copper bus, isolated neutral and ground bar, and GFI or EPF breakers.
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 Breaker Distribution Panel provides front access connections.Unipower Corp.
Coral Springs, FL 33065
Apr 20, 2011
Mounted in 19 or 23 in. rack, 1U high DPBF1U Series provides distribution and overload protection for 8 circuits. Unit can support up to 8 single-bus load breakers or 4 dual-bus breakers with capacity of 150 A of load current per bus. Breaker ratings from 1-30 A can be accommodated, and any combination of 12, 24, or 48 V positive or negative ground is available as standard. Breaker trip alarm is indicated by red LED and 2 Form C relay contacts for each bus.
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 Miniature Circuit Breakers offer UL 1077 supplemental protection.Automation Systems Interconnect Inc.
Mechanicsburg, PA 17055
Apr 13, 2011
Measuring 13 mm wide, DIN rail-mounted products of NDB5 series are UL1077 Recognized for use as supplemental protectors. Series includes AC and DC versions, with ratings from 1-63 A, that are RoHs compliant and provide shockproof screw clamp connections. Available in one-, 2-, or 3-pole configurations, products are designed to conserve DIN rail space. DC circuit breakers offer 10 kA interrupt capacity as standard.
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 Circuit Breaker Switch integrates undervoltage protection.Schurter, Inc.
Santa Rosa, CA 95403
Mar 14, 2011
Comprised of 2-pole appliance switches with built-in undervoltage trip release, UP1 series prevents uncontrolled restarts by monitoring and tripping under conditions of extreme voltage drop or when supply voltage is interrupted. Manual switch to On position is required, preventing harmful situations for operators, and others in surrounding work area. Pushbutton version offers snap-in and screw-on (flange) mounting, while rocker version is snap-in only.
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 Miniature Circuit Breakers feature 10 kA interrupt capacity.Automation Systems Interconnect Inc.
Mechanicsburg, PA 17055
Nov 30, 2010
Available in D Trip Curve, NDB2 Series includes standard UL 1077 supplemental protectors with ratings from 1-63 A, high current versions for protection up to 125 A, and DC rated styles in both 1- and 2-pole. Standard DIN rail mount circuit breakers come in 1-, 2-, and 3-pole versions with visual color-coded trip indicator and shock-proof screw clamp connections. Featuring 18 mm footprint, RoHS-compliant units offer drop-in replacement for most industry standard circuit breakers.
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Circuit Breaker Combination Starters suit commercial building applications.Schneider Electric
Palatine, IL 60067-7399
Nov 01, 2010
NEMA Circuit Breaker Combination Starters are equipped with PowerPact eMCP circuit breakers that feature 30 mm LED pilot lights and pliable, foam-in-place cabinet seals for protection against harmful outside elements. eMCP dials can be set to comply with NEC 430.52, allowing users to handle transient inrushes without tripping. Accommodating standard 9070TF control power transformers, starters allow for wide range of fits and modifications.
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Molded-Case Circuit Breakers offer thermal and short-circuit protection.WEG Electric Corp.
Duluth, GA 30097
Oct 15, 2010
Available with choice of 4 frames, ACW Series disconnects power and provides overload and short-circuit protection for low-voltage distribution systems. Standard selection factors include voltage and frequency rating, interrupting rating, continuous current rating, and accessories. Offering thermal and short-circuit protection from 15-800 A, UL489-certified series is offered in 2 versions, one for standard industrial/commercial use and one for high performance applications.
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 Outdoor Vacuum Circuit Breaker suits 38 kV applications.ABB Ltd.
Zurich CH-8050 Switzerland
Jul 27, 2010
Rated for 10,000 operations, magnetically actuated R-MAG breaker features embedded pole technology, providing compact and modular design, suited for wide range of climatic and environmental conditions. Vacuum interrupters embedded in solid insulating material of high dielectric strength are insulated from external effects of mechanical shock, dust, and humidity.
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 Trip Unit Conversion/Upgrade Kits help reduce arc flash hazards.GE Energy
Atlanta, GA 30339
Jul 06, 2010
EntelliGuard® TU Trip Unit Conversion/Upgrade Kits provide arc flash protection without affecting system reliability. Able to maintain/extend electrical power system life, trip unit includes Waveform Recognition Instantaneous and Zone Selective Interlocking Instantaneous algorithms that can achieve HRC2 or better without sacrificing selectivity for fault currents up to 100 kA. Other options include Reduced Energy Let Through, which enhances arc flash protection during maintenance.
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Medium Voltage Vacuum Circuit Breakers meet ANSI standards.Eaton Corporation
Raleigh, NC 27615
May 17, 2010
Available in fixed or drawout configurations, VCP-W line of circuit breakers have voltage range factor of K=1 and offer UL listed ratings up to 15 kV, 3,000 A, and 63 kA. They incorporate maintenance-free vacuum interrupters, which switch high stress current and require no cooling or ventilation systems. Designed for harsh industrial environments, product line also includes model VCP-WSE featuring cycloaliphatic epoxy insulation and ratings up to 15 kV, 3,000 A, and 50 kA.
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 Remote Access Interface has GFCI outlet and circuit breaker.Automation Systems Interconnect Inc.
Mechanicsburg, PA 17055
Mar 11, 2010
Enclosed in robust aluminum housing, Model RAI-GFCI-109-B has UL approved 15 amp rated outlet and circuit breakers. Housing has hinged dust cover that provides protection in industrial environments. With the dust cover closed and latched, through connector interface has IP65 rating that provides watertight seal.
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(Showing headlines 1 - 20) more ....
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Latest Products in the News |
ABB Inc. - April 25, 2012 ABB Prepares for 380 kV Breaker Launch with Spring Drive
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Master Distributors - December 2, 2010 Master Distributors Offers Carling Technologies Circuit Breakers
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Automation Systems Interconnect Inc. - June 1, 2006 ASI Now Offers Complete Range of DIN-Rail Circuit Breakers
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