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Current: 16 A - 125 A
... Type AC, A and F Option G for high immunity against nuisance tripping Option S for selectivity to downstream RCCBs Wide variety of nominal currents Comprehensive range of accessories Real ...
Eaton
Current: 200, 300 A
The AM1P uses a parallel wiring configuration to deliver 200 amperes in a 2-pole design and 250 amperes in a 3-pole design. In addition, the AM1P employs a proprietary technology known as PCE or Precision Current Equalisation. This technology ...
Eaton
Current: 32 A - 65 A
VAC: 400 V
Reliability and versatility that is what we look for most of the times. Well need not look further. The EATON Motor Protective Circuit Breaker PKE is truly a world class product. Widely sought after because ...
Eaton
... including "F-style" small size breakers, with improved usability. The molded case circuit breaker (MCCB) opens and closes a low voltage circuit, and breaks the fault ...
Make electrical equipment multi-functional by means of Mitsubishi air circuit breakers that are suitable for protection of the main circuit. Air circuit breakers ...
Current: 0.5 A - 100 A
VAC: 240 V - 415 V
... replacement of miniature circuit breakers on the DIN rail. All terminals are Bi-Connect for ultimate flexibility. Deep serrated terminals provide the mounting of cables up to 35 mm² cross-section. The ...
Current: 10 mA - 100 mA
VAC: 600 V
The SB1600 Series features the Industrial Shock-Block, a special purpose ground-fault circuit interrupter designed to provide safety for workers in industrial workstations. This series is ideal for grounded-neutral systems ...
Current: 0.05 A - 16 A
VDC: 28 V
VAC: 240 V
Description Thermal circuit breaker Metal switch non-illuminated and illuminated 1 pole Quick connect terminals 6.3 x 0.8 mm or screw terminals Applications Power supplies Uninterruptible power ...
SCHURTER
Current: 0.05 A - 20 A
VDC: 32 V
VAC: 240 V
The TA35 Rocker 1Pole by Schurter is a single-poled highly configurable thermal circuit breaker that has a snap-in version with an extensive current range, distinct colors for rocker, and a positively ...
SCHURTER
Current: 0.05 A - 20 A
VDC: 60 V
VAC: 240 V
... aspect that makes the difference between this item and other similar products available on the market are the thermal circuit breaker, along with the 2-pole system and the high configurability. In ...
SCHURTER
Current: 1,600 A
VAC: 690 V
The SACE Emax 2 is ABB'S innovative air circuit breakers that only utilizes up to 6300 A. of voltage, making it a cost efficient equipment. It has high end electrical circuitry that allows for a more ...
ABB Smart Power
Current: 1,600 A
VAC: 690 V
The SACE Emax 2 is ABB'S innovative air circuit breakers that only utilizes up to 6300 A. of voltage, making it a cost efficient equipment. It has high end electrical circuitry that allows for a more ...
ABB Smart Power
VAC: 600 V
With a 6,300-A voltage capability, ABB's SACE Emax 2 is a suitable and cost-efficient apparatus for electrical installations. The SACE Emax 2 exhibits an IP54 ingress protection level, a set of security locks, and dual insulation features. ...
ABB Smart Power
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.
Current: 0.25 A - 16 A
Circuit breakers / manual motor starters range is modular, flexible and offers a large selection of clip-on auxiliary functions and accessories: auxiliary contact blocks, shunt releases, connection terminal, ...
Current: 0.1 A - 25 A
CTI M, Circuit breakersThe CTI product range is modular, flexible and offers a large selection of clip-on auxiliary functions and accessories: Aux. contacts, alarm contacts, voltage- and undervoltage trips. Compact design ...
Current: 10 A - 45 A
CTI MB, Circuit breakers with built-in current limiterThe CTI product range is modular, flexible and offers a large selection of clip-on auxiliary functions and accessories: Aux. contacts, alarm contacts, ...
Current: 63, 32 A
VDC: 60 V
VAC: 230, 400 V
We have redesigned our 2-in-1 auxiliary and signal switch for the 10kA ETIMAT P10 MCBs and developed a completely new auxiliary switch for RCBOs KZS-2M and KZS-4M. ETI's 2-in-1 auxiliary and signal switch PS/SS for 10 kA MCBs ETIMAT P10 ...
ETI
Current: 0.25 A
VAC: 400 V - 690 V
Advantages * With overload and short circuit protection * Fixed short circuit release 12 x Iu * With phase-failure sensitivity according to IEC/EN 60947-4-1 * With temperature compensation * Can be used ...
ETI
Current: 10 A - 20 A
... Device. It is fully combined with residual current circuit breaker (RCCB) and miniature circuit breaker (MCB). Main purpose of the product is that it detects and quenches ...
ETI
Current: 800 A
VAC: 25 kV
Switchgear for traction – AC vacuum circuit breaker The CVB Series vacuum circuit breaker is the main electrical switch and protection device of AC locomotives and ...
Current: 800 A
VAC: 15 kV
... applied, chances are the vacuum circuit breaker turns off and the springs maintains its charged and ready-to-be used switching operation or technique. There is no need for a secondary energy supply for ...
Current: 6 A - 63 A
VAC: 230, 400 V
MCB-P or MCB-T are circuit-breakers that combine the functions of a circuit breaker (overload and short-circuit protection) and those of a contactor ...
CIRCUTOR
Current: 6 A - 63 A
VAC: 240, 415 V
... 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. ...
CIRCUTOR
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 ...
CIRCUTOR
Current: 0.1 A - 32 A
VAC: 690 V
Manual motor starter – M has short-circuit and overload protection. Its Overload range is adjustable from almost 0, 1 - 32A. It has wide variety of accessories and is appropriate for small sized motors in machine-tool, ...
Current: 40,000 A
VAC: 230, 400 V
Features： Status indication. MCB specially designed for Surge Arrester. It can cut the leakage current to 3A. Therefore prevent possible fire hazzard caused by degenerated SPD. Special MCB designed to protect the SPD.
Current: 5,000 A
VAC: 230 V - 275 V
Product Features: ● High surge current resistance. ● Low cutting current, less than 3A
Current: 1 A - 100 A
VAC: max 250.0 V
Circuit Breaker-B3R1 1P 250V 63A B3 series product is a hydraulic electromagnetic circuit breaker which our company design and develop by adopting international advanced ...
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
Current: 1 A - 40 A
VDC: max 80.0 V
Hydraulic Magnetic Circuit Breaker B1 series product is a hydraulic electromagnetic circuit breaker which our company design and develop by adopting international ...
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
Current: 1 A - 30 A
VAC: max 250.0 V
Hydraulic Magnetic Circuit Breaker-B1 B1 series product is a hydraulic electromagnetic circuit breaker which our company design and develop by adopting international ...
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
Current: 630 A - 2,500 A
VAC: 12 kV - 38.5 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 ...
Current: 1,000 A - 50,000 A
VDC: 0 V - 1,200 V
VAC: 0.02 V - 1,200 V
Current: 1 A - 30 A
VDC: 80 V
VAC: 120 V - 250 V
Current: 63 A
VDC: 1,200 V
ZJ·BENY BB1HF Series PV DC Isolator Switches with enclosure are mainly beused in PV solar power system placed between solar modules and inverters.The Max voltage up to 1200v DC,current up to 63A,with the function of effective disconnection ...
Zhejiang Benyi Electrical Co.,ltd.
Current: 3 A - 63 A
VDC: 1,000 V
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Zhejiang Benyi Electrical Co.,ltd.
Current: 3 A - 63 A
VDC: 1,000 V
BB1-63 DC circuit breaker for solar DC 4P 1000V 63A
Zhejiang Benyi Electrical Co.,ltd.
Current: 630 A - 2,000 A
VAC: 400, 690 V
... 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.
Current: 630 A - 6,300 A
VAC: 600, 400 V
TANW1 series intelligent universal circuit breaker (hereinafter referred to as circuit breaker) is a new generation developed by our company, adopting advanced technology. ...
Ningbo Tianan (Group) CO.,Ltd.
Current: 10 A - 225 A
VAC: 400 V - 690 V
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.
Current: 2 A - 32 A
VAC: 230 V
DIGITAL ELECTRIC
Current: 2 A - 32 A
VAC: 230 V
DIGITAL ELECTRIC
Current: 10 A - 63 A
VAC: 230, 400 V
DIGITAL ELECTRIC
Current: 16 A
VDC: 0 V
VAC: 125 V - 250 V
COMESTERO SISTEMI
Current: 0 A - 63 A
VAC: 230, 400 V
COMESTERO SISTEMI
Current: 0.1 A - 63 A
VAC: 400, 480 V
Single or multipole mid range compact circuit breaker, 35 mm DIN rail mounting, large number of built-in options
COMESTERO SISTEMI
Current: 160, 200, 225, 250 A
VAC: 380, 415 V
Federal Elektrik
Current: 125 A - 400 A
VAC: 380, 415 V
Federal Elektrik
Current: 50 A - 160 A
VAC: 380, 415 V
... also produce F12 circuit breaker with earth leakage protection which calls F12R. They have same rated current range with F12. Thanks to accesories in which were installed MCCB, There is no need to ...
Federal Elektrik
Current: 2 A - 63 A
VDC: 48 V
VAC: 230, 240, 400, 415 V
WERNERS 50 series mini circuit rollers offer an extensive,productive and dependable safety of tools,cables and setups in construction for excess load and short-circuit. This series consists between ...
Current: 15 A - 2,500 A
Werner MCCB 51 Series circuit breakers contains a modular and solid design that consumes little space. This economically efficient device utilizes a unique technology in its arcing chambers. This is to ...
Current: 600 A - 20,000 A
VAC: 12 kV - 24 kV
Vacuum Circuit Breaker (VCB) General Type: Fixed and Draw-out type Specifications: 12-24kV, 600-2000A, 12-16kA (Asym, rms) Life cycle: Electrical: 10000 operations (for rated load switching) Mechanical: ...
Current: 2.5 A - 50 A
... safe level. Hence the name circuit breaker. Without circuit breakers (or the alternative: fuses), an electrical system is difficult to maintain because of the potential ...
Current: 60 A - 190 A
... safe level. Hence the name ?circuit breaker?. Without circuit breakers (or the alternative: fuses), an electrical system is difficult to maintain because of the potential ...
Current: 0.1 A - 100 A
VAC: 400 V
The circuit breakers are an efficient solution for the protection of threephase motors up to 100 A AC‐3 400V. Characteristics: - Wide setting range from 0,1 up to 100 A - High breaking capacity in a smaller ...
Current: 1 A - 30 A
VDC: 28 V
VAC: 115 V
Electrical protection for military and civilian platforms MIL Circuit Breakers operate flawlessly in harsh conditions, resistant to extreme vibration & excessive mechanical shock in various applications, ...
Crouzet
How to choose this product
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.
Applications
Circuit breakers are used in industrial facilities to protect circuits and electrical machinery.
Technologies
Thermal 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.
How to choose
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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