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Electrical Equipment & Systems ->
Electrical Transmission & Switching ->
Circuit Breakers
Circuit Breakers
(Showing headlines 21 - 40) 1 2 3 4 5
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 Circuit Breaker Unit offers auto reset capability.Spectrum Control, Inc.
Fairview, PA 16415
Apr 12, 2007
Combining high-power, direct-feed breakers with discrete low-power breaker channels, Hybrid DC SMARTstart provides remote breaker cycling capabilities within same 1RU package for applications with both direct-feed high power and intermediate power requirements. Input voltage range is 38.5-72 Vdc with individual output steady state load range of 4-100 A. Device includes SNMP agent and onboard event log that can track up to 6 months of data.
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 Rocker Switch/Circuit Breaker features overload protection.E-T-A Circuit Breakers
Mount Prospect, IL 60056 6060
Oct 19, 2006
Certified to IP66 specifications, 3131 Rocker Switch/Circuit Breaker comes in various configurations with choice of actuator types, symbols, and lighting styles. Combination soft surface rocker switch and thermal circuit breaker comes in current ratings from 0.1-20 A, with voltage ratings of 250 Vac and 32 Vdc. Circuit breaker interrupt capacity is 3,500 A at 250 Vac and 2,000 A at 32 Vdc. Rated for 20 A max current, 3-position switch without overload protection is also available.
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 Circuit Breakers feature current range to 3,000 A.Schneider Electric
Palatine, IL 60067-7399
Sep 20, 2006
Powerpact® R-frame molded case circuit breakers are offered with 80 and 100% ratings with interrupting ratings of 35, 65, and 100 kA at 480 Vac. RL3TB terminal kits for bussing are included, and 15 x 16.5 x 6.63 in. breakers are available in unit-mount models from 600-3,000 A, and I-line models up to 1,200 A. UL 489 listed circuit breakers include Micrologic® trip unit technology that facilitates Modbus® communication interface, power metering, and harmonic analysis.
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 Circuit Breakers offer protection for dc applications.Schneider Electric
Palatine, IL 60067-7399
Sep 20, 2006
Suitable for use on ungrounded, uninterruptible power supplies, Masterpact® NW molded case circuit breakers feature amperage ratings of 800-4,000 A and voltage ratings of 600 Vdc floating and 500 Vdc loaded. They are tested to meet UL 489 Supplement SC and IEC 60947-2 standards. Available in fixed and drawout construction, breakers are available with options for industrial and specialty machinery, and pump controller, water/wastewater, and HVAC facility and infrastructure.
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 Circuit Breakers are CE certified and RoHS compliant.Altech Corp.
Flemington, NJ 08822
Sep 11, 2006
Available in 1-4 pole models, Altech® UL489 AC and DC miniature molded case circuit breakers are 17.5 mm wide. Designed for DIN rail mounting, HVACR 40şC rated breakers feature green/red positive trip indicator and 10 kA short-circuit interrupt capacity. AC breaker versions offer ratings of 32 A at 480Y/277 Vac and up to 63 A at 240 Vac, while DC version offers 125 (1 pole) and 250 V (2 pole) up to 63 A.
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 Aerospace Circuit Breaker weighs 150 grams.E-T-A Circuit Breakers
Mount Prospect, IL 60056 6060
May 04, 2006
Available in current ratings from 20-50 A on 3 phases at 200 V and 400 Hz, 5140 three-pole circuit breaker is temperature-compensated in range of -67 to +194°F and qualified to operate in ambient temperatures to 257°F. Typical life for this trip-free mechanism is 5,000 mechanical cycles and 2,500 inductive cycles. Optional auxiliary contacts provide additional signaling up to 0.5 A at 28 Vdc, and single-pole version is also available (Type 4140).
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 Aerospace Circuit Breaker handles currents to 50 A.E-T-A Circuit Breakers
Mount Prospect, IL 60056 6060
May 04, 2006
Offered in current ratings from 20-50 A, 4140 single-pole circuit breaker weighs 60 g and is designed for 115 Vac (400 Hz) or 28 Vdc applications. Product is smaller than Mil-spec 24571 requirements, temperature-compensated from -67 to +194°F, and qualified to operate in ambient temperatures to 257°F. With rated life of 5,000 mechanical cycles and 2,500 inductive cycles, unit is available with optional polarized or unpolarized auxiliary contacts.
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 Circuit Breaker Boot provides IP68-rated protection.APM-Hexseal Corp.
Englewood, NJ 07631
Jan 05, 2006
HEXSEAL® model No. 1113/49 transparent sealing boots fit lever-operated circuit breakers with 1.66 in. center-to-center distance between mounting screws and 0.75 in. center-to-center spacing between breaker poles. Mounted from front, products utilize corrosion-resistant frame and high-pressure, self-sealing APM SEELSKREWS® to fix boot and flange mount breaker. Construction complies with NEMA Type 4X/6P and IEC IP66/IP68 enclosure protection.
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 DC Circuit Breaker measures 13 mm wide.Automation Systems Interconnect Inc.
Mechanicsburg, PA 17055
Nov 10, 2005
Suited for circuit protection up to 80 Vdc, QY Series is UL489-listed and DIN rail mountable. It is available in 1-50 A and is designed to standard industrial control trip curves.
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Circuit Breakers offer surface mount design flexibility.Texas Instruments, Inc., Sensors & Controls
Attleboro, MA 02703 0964
Oct 12, 2005
Engineered for heavy truck, marine, and industrial applications, F-Series Klixon® Circuit Breakers feature 35-150 A ratings, 5,000 A interrupt capability, and Ľ or 3/8 in. stud terminals for high torque connections. Trip-free safety mechanism allows circuit breaker to trip in over-current situation regardless of position of reset button. Internal components are enclosed in vibration-resistant, weatherproof casing to protect against harsh environments.
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 Panel combines over-current protection and lighting control.Lighting Control & Design
Los Angeles, CA 90065
Sep 22, 2005
Part of digital GR 2400 lighting control system providing daylight harvesting and distributed controls, SmartBreaker(TM) seamlessly integrates with GR 2400 Relay Panel, MicroPanel, digital switches, photo sensors, and up to 127 digital devices. Users can mix controlled and conventional breakers in same panel board using solenoid-operated, thermal magnetic breakers. Remote and local control of each breaker is possible over bus.
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 Circuit Breakers feature arc flash protection.Siemens Energy & Automation, Inc.
Alpharetta, GA 30005
Aug 30, 2005 Offered in 3 frame sizes from 800–5,000 A, WL Circuit Breakers feature integrated racking handles, pull apart front-mounted terminal blocks, and modular accessories. Dynamic Arc-Flash Sentry detects worker approaching energized equipment and automatically lowers trip time of breaker, minimizing potential arc-flash energy. Extended Instantaneous Protection accommodates 100% of full withstand rating of frame while allowing breaker to be applied to max interrupting rating. |
 RCBO Switch protects against excessive load currents.Siemens AG
Munich D-80333 Germany
Aug 24, 2005
With rated currents up to 40 A and rated residual currents of 10, 30, or 300 mA, Model 5SU1 combines personal protection with protection against short circuiting, overload, and electrical fire. Each circuit is assigned its own RCBO switch, so in case of residual current, only circuit affected is switched off and all others remain functional. Busbar is located at back of device, facilitating connection of incoming cable.
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 Circuit Breakers protect wiring, equipment, and subsystems.Cole Hersee Co.
Boston, MA 02127 2467
Aug 10, 2005 Available in stud or plug-in designs, SAE Type II and Type III Circuit Breakers minimize risk of fire due to overload. They provide reusable choice to wiring protection, offering heavy-duty replacement for ATC, ATO, and mini fuses. Units are suited for trucking, construction, and agricultural vehicles, as well as RVs and marine systems. |
 Overcurrent Protector meets GR-1089 Issue 3 requirements.Tyco Electronics/Raychem.
Menlo Park, CA 94025-1164
Jul 25, 2005 Suited for communications infrastructure applications, PolySwitch® TSM600-400 interrupts ac power faults to comply with standards such as UL 60950 3rd edition and TIA-968-A. Surface-mount, RoHS-compliant device incorporates 2 matched, low-resistance PPTC components. Each of these 2 resettable overcurrent protection components has typ resistance of 1.2 ohm, and unit has rated hold current of 400 mA at room temperature. Operating temp range is -40° to +85°C. |
 Circuit Breaker exceeds mil spec life-cycle requirements.E-T-A Circuit Breakers
Mount Prospect, IL 60056 6060
Jun 21, 2005
Suited for military and aerospace applications, single-pole, remote-controlled Model RCCB 4930 is temperature-compensated and available in various current ratings from 5-100 A, AC 115 V/400 Hz and 28 Vdc. Unit exceeds MIL-PRF-83383 life-cycle specification of 50,000 actuations for inductive and resistive loads. Signal and control circuit is actuated by bi-stable liner motor, controlled through electronic circuitry incorporated within device.
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 Miniature Circuit-Breakers meet requirements for UL 489.Siemens AG
Munich D-80333 Germany
Jun 15, 2005
Comprised of 62 devices, single-pole 5SJ4 series has installation depth of 70 mm and terminals designed for field wiring class. Products, designed for rated voltage of 240 Vac and 60 Vdc, meet requirements of EN/IEC 60 898. Rated switching capacity is specified up to 15 kA for 240 Vac and 10 kA uniformly for 60 Vdc. Suited for protection tasks within ANSI guidelines, devices can be used in control cabinets and controllers as well as for feeder circuit protection.
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 Circuit Breaker detects all types of fault currents.Siemens AG
Munich D-80333 Germany
Jun 15, 2005
Universal current-sensitive Type B residual current circuit breaker detects pulsating and smooth dc fault currents as well as sinusoidal ac fault currents. In detection, analysis, and shutdown, device offers protection via included line voltage-independent tripping function. Designed for currents from 25-80 A, devices handle tripping conditions up to 2 kHz and have rated fault currents 30, 300, and 500 mA. Applications include medical devices and test systems.
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 Circuit Breakers are unaffected by temperature.Circuit Breaker Industries, Inc.
Exton, PA 19341
Jun 15, 2005 Hydraulic/Magnetic circuit breakers do not rely on change in temperature caused by increased current flow to activate trip mechanism. Unaffected by ambient temperature and sympathetic heating, products do not derate or deteriorate over time and can be used in any application from -40 to +140°F. Various frame sizes and types are available with current ratings to 100 A, and short circuit interruption capacities range from 500–10,000 A at voltages to 240 Vac/125 Vdc. |
 Electronic Circuit Breaker suits low-voltage applications.Linear Technology Corp.
Milpitas, CA 95035-7417
May 13, 2005 Manufactured in plastic, 12-lead, 3 x 2 mm DFN package, No RSENSE LTC4213 senses load currents with RDS(ON) of external MOSFET, eliminating need for sense resistor. Product operates over bias supply range of 2.3–6 V and monitors voltages from ground to 6 V. With pin-selectable VDS thresholds of 25, 50, and 100 mV, circuit breaker provides dual level and dual response time functions for overcurrent protection; response time is rated at 1 µs. |
(Showing headlines 21 - 40) 1 2 3 4 5
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