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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 ...
Allen-Bradley
Primary current: 32 A - 65 A
VAC: 400 V
PKE motor-protective circuit-breakers with electronic wide-range overload protection offer an interesting alternative to the bimetal solution for motor currents up to 65 A. PKE motor-protective circuit-breakers ...
Eaton
Primary current: 32 A
VAC: 600 V
VDC: 400 V
... protect them reliably and without the need for a fuse from short-circuits, overload and phase failures. The manual motor starter offers a rated service short-circuit breaking capacity Ics ...
ABB
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, ...
Primary current: 0.5 A - 30 A
Electromechanical Circuit Breakers (CB) with several different terminals (FASTON, EN, MIL...) and accessories.
Crouzet
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 ...
Schneider Electric
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. ...
Primary current: 0.5 A - 63 A
VAC: 277, 480, 240 V
VDC: 96, 48 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 ...
Allen Bradley
VAC: 30 V
VDC: 30 V
Rating: 0.1 A - 30 A
... 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 ...
Sensata Technologies
Primary current: 0.1 A - 100 A
VAC: 480, 240, 277 V
VDC: 125, 160 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 ...
Sensata Technologies
Primary current: 2 A - 20 A
VAC: 240, 277 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 ...
Sensata Technologies
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. ...
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 ...
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 - 25 A
VDC: 9 V - 55 V
The Power Rider 25A is an advanced electronic (solid state) circuit breaker designed to protect and manage power systems efficiently. It provides precise control with three layers of protection, real-time ...
Redler Technologies LTD
Primary current: 0 A - 25 A
VDC: 120 V - 350 V
... electronic circuit breaker designed to handle DC systems up to 350V. With advanced protections, real-time monitoring, and configurable logic, it is ideal for demanding power-critical applications. Built ...
Redler Technologies LTD
Primary current: 0 A - 80 A
VDC: 9 V - 55 V
The Power Rider 80A is a smart electronic circuit breaker designed to protect and manage power systems with precision and reliability. Combining the functions of a circuit breaker, ...
Redler Technologies LTD
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 & ...
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 ...
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 & ...
Dowei Electric
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 ...
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 ...
Ningbo Tianan (Group) CO.,Ltd.
TANW1 intelligent universal low-voltage circuit breaker Category:Components
Ningbo Tianan (Group) CO.,Ltd.
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 ...
Primary current: 25,000, 50,000, 100,000 A
VAC: 500 V
MCB specially designed for Surge Arrester. It can cut the leakage current to 3A The color of the visual alarm window indicates the working status of the protection, green (normal) and red (fault). Flame-retardant housing design for ...
Britec Electric Co., Ltd
Primary current: 12,500, 25,000, 60,000 A
VAC: 500 V
MCB specially designed for Surge Arrester. It can cut the leakage current to 3A The color of the visual alarm window indicates the working status of the protection, green (normal) and red (fault). Flame-retardant housing design for ...
Britec Electric Co., Ltd
Primary current: 40,000, 80,000 A
VAC: 500 V
MCB specially designed for Surge Arrester. It can cut the leakage current to 3A The color of the visual alarm window indicates the working status of the protection, green (normal) and red (fault). Flame-retardant housing design for ...
Britec Electric Co., Ltd
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 ...
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 ...
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, ...
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
Primary current: 25 A
VAC: 230 V
Residual current circuit-breakers (RCCBs) are components for implementing protective measure "Automatic switch-off of power supply" as per VDE 0100 part 410 or corresponding international installation ...
Doepke Schaltgeräte GmbH
Primary current: 45,000 A
VAC: 230, 415 V
VDC: 60 V
... miniature circuit breakers have been designed for protection of electrical installations against overload and short circuits and are manufactured in accordance with IEC 60898-1 Technical ...
IMO Precision Controls Limited
Primary current: 10,000 A
VAC: 415, 230 V
VDC: 60 V
... miniature circuit breakers have been designed for protection of electrical installations against overload and short circuits and are manufactured in accordance with IEC 60898-1 Technical ...
IMO Precision Controls Limited
Primary current: 10,000 A
VAC: 415, 230 V
VDC: 60 V
... miniature circuit breakers have been designed for protection of electrical installations against overload and short circuits and are manufactured in accordance with IEC 60898-1 Technical ...
IMO Precision Controls Limited
Primary current: 1,250, 630 A
VAC: 12, 24, 36 kV
... Good pollution resistance. Description: ZW32-12/24 model outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in ...
zhejiang Pomanique Electric Co.,Ltd
Primary current: 1,250, 1,600, 2,000 A
VAC: 36 kV
... outdoor high-voltage vacuum circuit breaker is a kind of outdoor high-voltage switchgear under three-phase AC 50Hz, 36kv rated voltage and below. It can be used to switch on and off the loading, overloading ...
zhejiang Pomanique Electric Co.,Ltd
Primary current: 1,250, 1,600, 2,000, 2,500 A
VAC: 40.5 kV
... voltage indoor vacuum circuit-breaker is used for switchgear KYN61-40.5(Z), it is most new type of power supply and distribution equipment. This product is accordance with GB1984-2003 stand. This series include: Vacuum ...
zhejiang Pomanique Electric Co.,Ltd
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
DIGITAL ELECTRIC
Primary current: 15,000, 20,000 A
VAC: 320 V
DIGITAL ELECTRIC
Primary current: 0.02 A - 50 A
VAC: 125 V - 277 V
VDC: 80 V
... harsh environment applications. Adding to the breaker’s safety features are options for the exclusive Rockerguard and/or push-to-reset bezels for rocker actuated configurations. This up to 50 amp breaker ...
Carling Technologies
Primary current: 0.16 A - 100 A
Motor Protection Circuit Breakers with special features: Find four device sizes with a short-circuit breaking capacity of up to 100kA and tripping ranges up to 100A. Among other things, ...
VAC: 230 V - 400 V
Switch-selector-circuit breaker magnetothermal under airtight case IP 55 with position contacts (10 + 1F). Standard equipped with a coil with tension emission enabling the setting off at a distance ...
Rating: 60 A
... Eaton’s BR two-pole ground fault circuit breaker boasts an improved series rating, offering additional combinations up to 60 A. And with higher interrupts and #3AWG lugs that reduce wiring costs, the ...
Primary current: 1,000 A - 6,000 A
VAC: 690 V
This kind of breaker is used as the main power breaker of the supply such as buildings, factories and ships etc. and satisfy the various needs.
MITSUBISHI ELECTRIC AUTOMATION
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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