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Primary current: 10 mA - 100 mA
VAC: 600 V
... Special-Purpose Ground-Fault Circuit Interrupter (GFCI), Class C and Class D Industrial Shock Block (ISB) is a personnel protection device designed to meet the requirements for special-purpose GFCIs defined by UL 943C. This standard ...
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: 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: 2,000 A
VAC: 36, 38, 40.5 kV
... -blast principle. This live tank circuit breaker provides a high level of reliability for customers, even under extreme conditions and climates or in highly active seismic areas. The GL 107X live tank circuit ...
GE Grid Solutions
Primary current: 15,000 A
VAC: 24 kV
... The compact design of the HB3-C generator circuit- breaker is customizable and offers an ideal solution for retrofit projects and new applications. It’s maintenance-free and SF6-free for more efficiency and sustainability. The ...
Siemens Medium-voltage – Power distribution
Primary current: 40,000 A
VAC: 145 kV
Rating: 30 A
... availability and lowest maintenance efforts Moreover, it has a number of features superior to SF6 circuit- breakers. These include 30 full short- circuit current interruptions, 10,000 rated current ...
Siemens Energy – Power transmission
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: 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: 30 A - 5,000 A
VAC: 120 V - 600 V
... separate upstream fault protection and respective interconnections, which in turn reduces installation space, time, and cost. Breaker-based Service Entrance Rated transfer switches are available from 30A to 5000A. ...
Primary current: 15 A - 800 A
... compact design, and available in five frames with currents ranging from 20 to 1,600 A, the ACW circuit breakers are divided into two lines with different short- circuit interrupting capacities. ...
WEG Gear Systems GmbH
Primary current: 0.5 A - 30 A
... Electromechanical Circuit Breakers (CB) with several different terminals (FASTON, EN, MIL...) and accessories. ...
Crouzet
Primary current: 10, 16, 15 A
VAC: 240 V
VDC: 28 V
... • Metal switch non-illuminated and illuminated • Quick connect terminals 6.3 x 0.8 mm / screw terminals • Uninterruptible power supply • Power tools • Household appliances ...
SCHURTER
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: 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 ...
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 ...
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
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
... TANM1/TANM2 series moulded case circuit breaker (hereinafter referred to as circuit breaker) is suitable in a circuit with AC 50Hz (or 60Hz), rated operating voltage ...
Ningbo Tianan (Group) CO.,Ltd.
... the protection of power lines and equipment. The circuit breaker contacts maintenance, overload capability, and strong interrupter breaking ability, can achieve true zero arcing. The circuit breaker ...
Ningbo Tianan (Group) CO.,Ltd.
... TANW1 intelligent universal low-voltage circuit breaker Category:Components ...
Ningbo Tianan (Group) CO.,Ltd.
VAC: 240, 415 V
Rating: 6 A - 63 A
... RECmax MP series are motorized circuit breakers that can be linked remotely.They function as protection against shortcircuit and overload, and can also be used as a circuit breaker. After ...
Primary current: 6 A - 63 A
VAC: 240, 415 V
... device with circuit breaker and ultra-immunized earth leakage protection. Programmable unit with display, which measures leakage currents (earth leakage protection), and orders the disconnection or reclosing of the ...
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: 63 A - 250 A
VAC: 80 V - 270 V
... the output terminals of the 3 phases of the molded circuit breaker. It acts as an extension of the breaker. The housing dimensions allow perfect compatibility with the main manufacturers' circuit ...
Lettel
Primary current: 400 A - 630 A
VAC: 80 V - 270 V
... the output terminals of the 3 phases of the molded circuit breaker. It acts as an extension of the breaker. The housing dimensions ensure perfect compatibility with the main manufacturers' circuit ...
Lettel
Primary current: 63 A - 250 A
VAC: 80 V - 270 V
Rating: 63, 125, 160, 250 A
... >
Lettel
Primary current: 3,150 A - 4,000 A
VAC: 40.5 kV - 363 kV
... • IEC 62271, ANSI/IEEE Std C37, NEMA • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369 • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1 • High altitude correction per IEC 62271 & IEEE C37, ~ 5000m • ...
Dowei Electric
Primary current: 3,150 A - 4,000 A
VAC: 40.5 kV - 363 kV
... • IEC 62271, ANSI C37.04, C37.06, C37.09 • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369 • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1 • High altitude correction per IEC 62271 & IEEE C37, ~ 5000m • ...
Dowei Electric
Primary current: 600 A - 3,000 A
VAC: 4.16 kV - 40.5 kV
VDC: 110 V - 220 V
... • IEC 62271, ANSI/IEEE Std C37, NEMA • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369 • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1 • High altitude correction per IEC 62271 & IEEE C37, ~ 5000m • ...
Dowei Electric
Primary current: 1 A - 40 A
VAC: 250 V
VDC: 80 V
... BSB B1 Series Hydraulic-magnetic Circuit Breakers are compact and durable, ideal for applications with limited space. They offer various handles and can be used in telecommunications, lighting, railway signaling, and ...
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
Primary current: 1 A - 63 A
VAC: 415, 250, 127 V
VDC: 65, 80 V
... series hydraulic-magnetic circuit breaker is a front-mounted circuit breaker. It has up to four poles and can be used for both AC and DC applications. It is a modular circuit ...
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
Primary current: 1 A - 63 A
VAC: 240, 250, 415, 120 V
... The BSB B3 series hydraulic-magnetic circuit breaker is a compact yet powerful circuit breaker. Its hydraulic magnetic technology is unaffected by environmental temperatures, making it ...
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
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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