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Primary current: 1,000 A - 6,300 A
VAC: 500 V
... Make electrical equipment multi-functional by means of Mitsubishi air circuit breakers that are suitable for protection of the main circuit Air circuit breakers have ...
MITSUBISHI Automation
Primary current: 630 A - 6,300 A
VAC: 220, 415 V
Rating: 800 A - 1,000 A
... Future Ready ! MasterPact MTZ is a comprehensive range of air circuit breakers, to protect from damage caused by overloads, short- circuits or insulation faults. MasterPact MTZ embeds advanced digital ...
Schneider Electric
Primary current: 138 A
VAC: 0 V - 690 V
Rating: 10 A
... TeSys GV motor circuit breaker, 3 poles (3P), 10A/690V, for 3-phase motor applications 3-4kW@400V. It provides a thermal-magnetic protection with a thermal setting range 6-10A, magnetic tripping at 13xIn, high breaking ...
Primary current: 0.5 A - 63 A
VAC: 480, 230, 400 V
VDC: 48, 96 V
... Bulletin 1489-M Thermal-magnetic Circuit Breakers are UL 489 Listed for branch circuit protection in the United States and Canada, and they are certified as Miniature Circuit Breakers ...
Allen-Bradley
Primary current: 0.5 A - 30 A
... Electromechanical Circuit Breakers (CB) with several different terminals (FASTON, EN, MIL...) and accessories. ...
Crouzet
Primary current: 40,000 A
VAC: 145 kV
Rating: 30 A
... substations.
Siemens Energy – Power transmission
Primary current: 4,000 A
VAC: 40.5, 72.5 kV
... LW58A Outdoor High-voltage AC SF₆ Tank Circuit Breaker features strong environmental adaptability, high reliability, and maintenance-free operation. With a rated voltage covering 40.5-800kV, it provides three-pole intertripping ...
Sieyuan Electric Co., Ltd
Primary current: 160 A
VAC: 690 V
Rating: 160 A
... Product overview
Moulded-case
circuit
breaker MEGATIKER M3 250H electronic 3P. Rated current: 160 A, breaking capacity: 70 kA, setting type S10.
Technical features
Brand: BTicino
Reference ...
BTICINO
Primary current: 0.05 A - 20 A
VAC: 240 V
VDC: 32, 60 V
... • Snap-in version • Positively trip-free release • Method of operation acc. to IEC: S-type • Different rocker and flange colours • Wide current range Unique Selling Proposition • Unique UL rating of 277 VAC • Finely graded rated currents • ...
SCHURTER
Primary current: 16, 10, 6 A
VAC: 230 V
... (electronic circuit protection device) is one of the first of its kind in the world with electronic switching. Its impressive features include ultra-fast switching, flexible parameterization, and a wide range of functions. The smart circuit ...
Siemens Low-voltage – Power distribution
Primary current: 15,000 A
VAC: 24 kV
... customizable HB3-C is the ideal generator circuit- breaker for retrofit projects, offering a maintenance-free and SF6-free design for efficiency. Why HB3-C? The compact design of the HB3-C generator circuit-breaker ...
Siemens Medium-voltage – Power distribution
Primary current: 6,900, 7,150 A
VAC: 24 kV
... System type generator circuit- breaker (GCB) with innovative built-in monitoring The HVS-63S GCB with SF6 interrupting technology for short- circuit currents up to 63 kA and rated currents up to 7,150 ...
Hitachi Energy
Primary current: 30 A - 5,000 A
VAC: 120 V - 600 V
... cost. Breaker-based Service Entrance Rated transfer switches are available from 30A to 5000A. Benefits ATC-300+ or ATC-900 on MCCB & Power Breaker ATS products Keyed service entrance switch Draw-out type breakers ...
Primary current: 200 A - 6,300 A
VAC: 400, 690 V
... type: 3 level 3.7 - Installation type: Type of circuit breaker main circuit, under voltage release, primary coil of power transformer is installation IV; type of Auxiliary circuit ...
PEOPLE ELE. APPLIANCE GROUP CO., LTD.
Primary current: 10 mA - 100 mA
VAC: 600 V
... Special-Purpose Ground-Fault Circuit Interrupter (SPGFCI), Class C and Class D The Industrial Shock Block® SB6000 series is a personnel protection device designed to meet the requirements for special-purpose GFCIs defined by UL 943C. ...
Primary current: 6 A - 10 A
VAC: 220 V - 690 V
Rating: 130 A
Primary current: 1.6 A - 2.5 A
VAC: 400, 230, 500 V
... Moulded case circuit breaker for The motor protection Auxiliary contacts: without Release: without Enclosure material: Polyester resin Cable glands and entries: 2 x M25 Ø 7 – 17 mm Highlights - Electric line and ...
Primary current: 0 A - 4,000 A
VAC: 0 kV - 12 kV
... The 12KV VCB (CALIX) is designed for rapid auto reclosing duty with SCADA compatible control system. With an optional features like draw-out type PT, Powerpack, and an Integral earth switch, series trip arrangement for unmanned substation ...
CG Power Systems
Primary current: 3,150, 4,000 A
VAC: 252 kV
... The LW35-252 self-sustaining SF6 circuit breaker is used for splitting and merging rated current, breaking fault currents, or switching lines to achieve control and protection of transmission lines. This circuit ...
Henan ping high electric co., LTD.
Primary current: 1,250, 630 A
VAC: 12 kV
... ●Rated short- circuit breaking current 25kA ●Mechanical endurance10000ops ●one circle welding ●CuCr meterial for contact ●High insulation、Small volume、Long lifetime HFTF-12/630-25E Features ● Rated short- circuit ...
VAC: 240, 415 V
Rating: 6 A - 63 A
... RECmax MP series are motorized circuit breakers that can be linked remotely. They offer protection against short- circuits and overloads, and can also be used as a circuit breaker. ...
Primary current: 6 A - 63 A
VAC: 240, 415 V
... with circuit breaker and ultra-immunised residual current protection. Programmable unit with display, which measures leakage currents (residual current protection), and orders the disconnection or reclosing of the circuit ...
Primary current: 6 A - 63 A
VAC: 240, 415 V
... The motorized circuit breakers of the MT Series can be associated remotely. They protect against short- circuits and overloads, but are also used as a circuit breaker. ...
Primary current: 0 A - 30 A
VAC: 120 V - 240 V
VDC: 32 V
... contacts and minimizes arcing. SNAPAK® circuit protectors are UL Recognized as supplementary protectors per UL STD. 1077, CSA Certified as supplementary protectors per CSA STD. C22.2 No. 235, TUV Approved as circuit breakers ...
Sensata Technologies
Primary current: 0.1 A - 125 A
VAC: 480, 277, 240 V
VDC: 160, 125 V
... The 209, E-Frame circuit breaker combines power switching with accurate, reliable circuit protection in a compact single or multi-pole unit. The unit is ideal for branch circuit applications ...
Sensata Technologies
Primary current: 2 A - 30 A
VAC: 277, 240 V
... The LEJ/LEJA series circuit breaker meets the evolving demand for the high-performance protection of critical data center and telecommunications applications requiring up to 277VAC per pole, UL 489 listing in the smallest ...
Sensata Technologies
Primary current: 25 A - 315 A
VAC: 690 V
Rating: 25 A - 315 A
... Product name
Molded-case
circuit
breaker H000TD/H000TD-T
Designed for protection and switching of low-voltage electrical
circuits.
Technical summary
Rated current: 25A-315A
Rated ...
Primary current: 630 A
VAC: 12 kV
The switches are designed for normal operating conditions acc. to EN 62271¬1, Class "Minus 5 Indoor”. A proper functioning is also guaranteed up to temperatures of up to ¬15°C. The maximum value of the ambient temperature is 40°C; the average value over ...
VAC: 230 V
Rating: 2 A - 32 A
DIGITAL ELECTRIC
Primary current: 2 A - 125 A
VAC: 12 V - 400 V
Rating: 1 A - 63 A
... Magneto-thermal circuit breakers allow the circuit to be cut off in the event of overcurrent or a dead short circuit, while surge protectors will act on overvoltages of atmospheric origin. These ...
DIGITAL ELECTRIC
Primary current: 15,000, 20,000 A
VAC: 320 V
DIGITAL ELECTRIC
A circuit breaker is an electrical protection device that cuts power to an electrical cable in case of overvoltage, short circuit or if the circuit presents an isolation defect.
ApplicationsCircuit breakers are used in industrial facilities to protect circuits and electrical machinery.
TechnologiesThermal circuit-breakers use a bimetallic strip that expands and opens the circuit in the presence of excessive currents. It protects conductors from prolonged over amperage and fire-risks. Magnetic circuit-breakers use a coil, as in relays. They can open the circuit immediately or after pre-set delays (e.g. for motor-starting). Thermal magnetic circuit-breakers combine these two systems. High-end electronic circuit-breakers can be adjusted for extremely precise activation.
Differential circuit-breakers protect against ground leakage. In case of isolation defects, the sum of the phase currents is not equal to the current circulating in the neutral. A magnetic circuit uses this difference to trigger the device. Circuit-breakers interrupt power to electrical supply lines. High-voltage circuit-breakers use gas, oil or compressed air to increase their ability to cut power and extinguish electrical arcs.
The main parameters are the rated current (In), well under the trip level (Icu or Icn), beyond which the circuit's integrity is at risk, and the device's class.
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