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short-circuit circuit breaker / overload / residual current / modular
short-circuit circuit breaker
AFDD+

Current: 10 A - 40 A

... fires and protects people, property and assets AFDD+ All-in-one device: Arc Fault Protection + Short Circuit & overcurrent protection (MCB) + Earth fault current protection (RCCB) Tripping ...

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Eaton
short-circuit circuit breaker / miniature / DIN rail
short-circuit circuit breaker

Current: 63 A
VAC: 230 V - 500 V

When it comes to protecting and switching, the high quality, safe and reliable products of the xEffect Industrial series guarantee protection of people, installations and systems worldwide. Designed and approved for industrial and high ...

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Eaton
overload circuit breaker / miniature / DIN rail
overload circuit breaker
PLSM, PLZM MW

Current: 63 A
VAC: 230, 400 V

Versatile, safe miniature circuit breakers features a guide for secure terminal connection, and is compatible with a standard busbar which can be positioned either above or below. Contact position ...

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Eaton
differential circuit breaker / residual current / miniature / DIN rail
differential circuit breaker
PKNM, MW

Current: 2 A - 40 A
VAC: 196 V - 253 V

High-quality residual current device / miniature circuit breaker combination, line voltage-independent breaking capacity mainly 10 kA. Combined RCD/MCB Devices PKNM, 1+N-pole Combined RCD/MCB device Line voltage-independent ...

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Eaton
differential circuit breaker / residual current / 2-pole / miniature
differential circuit breaker
PKP series

Current: 6 A - 40 A
VAC: 230 V

High-quality residual current device / miniature circuit breaker combination, line voltage-independent, 2 pole. Combined RCD/MCB Devices PKP.2, 2-pole Combined RCD/MCB device Line voltge-independent tripping ...

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Eaton
overcurrent circuit breaker / 2-pole / 3-pole / 4-pole
overcurrent circuit breaker

Current: 30 A - 5000 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.

thermal circuit breaker / magnetic / miniature
thermal circuit breaker
LS 8562 series

Current: 0.5 A - 40 A

R. STAHL Series 8562 miniature circuit breakers boast good current limiting for short circuits and a high switching capacity of 6 or 10 kA. This results in a low load on cables and a ...

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R. STAHL
residual current circuit breaker / AC / DC
residual current circuit breaker
FI 8562 series

Current: 25, 40, 16 A

The R. STAHL Series 8562 residual current circuit breaker is a component for residual current monitoring and switches systems in the event of residual currents – for reliable protection of persons in hazardous areas. ...

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R. STAHL
ground fault circuit breaker / explosion-proof
ground fault circuit breaker
8565/11 series

Current: 15 A - 30 A
VAC: 120 V

ExGFCI: Explosion-protected Class A, ground-fault circuit-interrupter with over-current protection intended for protection of personnel ANSI/UL 943 & 489 and CSA C22.2 No. 144-1 & No. 5 ExGFEP: Explosion-protected ...

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R. STAHL
ground fault circuit breaker / explosion-proof
ground fault circuit breaker
8565/12 series

Current: 20, 15 A
VAC: 120 V

ExAFCI: Explosion-protected Class A, arc fault circuit interrupter intended for protection of personnel ANSI/UL 1699 & 489 Ambient temperature range -40 ... +40 °C (-40 ... +104 °F) Test button ...

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R. STAHL
thermal circuit breaker / under-voltage / overcurrent / adjustable
thermal circuit breaker
8146/5-V27 series

Current: 0.1 A - 22.5 A
VAC: 230, 500, 400 V

R. STAHL's 8146/5-V27 series moulded case circuit breakers for motor protection protect Ex e and Ex d motors and their associated electric lines and systems. The standard variants feature an adjustable, ...

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R. STAHL
magnetic circuit breaker / short-circuit / modular / motor protection
magnetic circuit breaker
MS132 series

Current: 32 A
VDC: 400 V

... protection up 15 kW (400 V) / 32 A. This type has a magnetic trip indication which enables a fast/ precise detection of short-circuits. With this magnetic trip indication you reduce your trouble-shooting. Less downtime, ...

magnetic circuit breaker / short-circuit / modular
magnetic circuit breaker
MS132-T series

Current: 0.1 A - 25 A
VDC: 400 V

MS132-T is a circuit breaker for transformer protection up to 12.5 kW (400 V) / 25 A. 14 variants are available with current ranges from 0.1 A up to 25 A. MS132-T allows an economic protection of single-phase control ...

air-operated circuit breaker / power / remote-controlled / with power controller function
air-operated circuit breaker

Current: 0 A - 6300 A

... competence. Power Controller The exclusive Power Controller function available on the new SACE Emax 2 circuit-breakers monitors the power managed by the circuit-breaker, keeping it below the limit set ...

air-operated circuit breaker / voltage
air-operated circuit breaker
Emax E1.2 series

Current: 0 A - 1600 A

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 ...

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ABB Protection and Connection
air-operated circuit breaker / voltage
air-operated circuit breaker
Emax E2.2 series

Current: 0 A - 2500 A

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 ...

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ABB Protection and Connection
air-operated circuit breaker / voltage
air-operated circuit breaker
Emax E4.2 series

Current: 0 A - 4000 A

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. ...

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ABB Protection and Connection
air-operated circuit breaker / voltage
air-operated circuit breaker
Emax E6.2 series

Current: 0 A - 6300 A

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 ...

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ABB Protection and Connection
AC circuit breaker / molded case
AC circuit breaker
Tmax XT series XT1...XT4

Current: 250 A

The new SACE Tmax XT shaped-case circuit-breakers up to 250A proceed the custom of the well-known and merged Tmax T arrangement. They emphasize an ultra-superior level and an inexorably more modest size, while being not ...

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ABB Protection and Connection
thermal circuit breaker / multi-pole / manual reset
thermal circuit breaker
T12-MSM

Current: 0.05 A - 16 A
VDC: 28 V
VAC: 240 V

... - Power supplies - Uninterruptible power supply - Power tools - Household appliances References Component 1: circuit breakers z T12-221 z T12-222 Component 2: metal switch z MSM LA 19 ; z MSM ...

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SCHURTER
thermal circuit breaker / single-pole / modular / rocker switch type
thermal circuit breaker
TA35

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 trip-free release. ...

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SCHURTER
thermal circuit breaker / bipolar / modular / rocker switch type
thermal circuit breaker
TA35

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 ...

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SCHURTER
thermal circuit breaker / tripolar / modular / rocker switch type
thermal circuit breaker
TA35

Current: 0.05 A - 12 A
VAC: 240 V

3 Pole TA35 Rocker CBE Circuit Breaker for thermal equipment and rocker actuation.

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SCHURTER
thermal circuit breaker / single-pole / manual reset
thermal circuit breaker
T9 series

Current: 3 A - 16 A
VDC: 32 V - 48 V
VAC: 240 V

... medical applications, power supplies, HVA, UPS, industrial, medical diagnostic and household appliances. This thermal circuit breaker has a supplementary protector for general industrial use. This is a single pole plus ...

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SCHURTER
ground fault circuit breaker / voltage / for network protection
ground fault circuit breaker
SB6100 series

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 ...

digital circuit breaker / short-circuit / modular / miniature
digital circuit breaker
EPSITRON® 787-2861 series

Current: 1 A - 8 A
VDC: 24 V

The new EPSITRON® Series single-channel electronic circuit breakers reliably protect your consumers against over-current and short-circuiting. The secondary-side fusing will trigger even in the event ...

digital circuit breaker / short-circuit / overcurrent / modular
digital circuit breaker
787-86x series

Current: 0.5 A - 12 A
VDC: 24 V

... through regular circuit breakers can often be unproductive. This is basically the scenario whenever high-speed magnet tripping will not be carried out through TopBoost, that is used by PRO Power Supplies. Electric ...

short-circuit circuit breaker / adjustable / manual reset / DIN rail
short-circuit circuit breaker
M series

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, ...

miniature circuit breaker
miniature circuit breaker
RI60

Current: 1 A - 63 A
VAC: 400, 230 V

Miniature circuit breakers of RI series are used for switching, conducting and switching-off the current not only in normal operating conditions but also in special conditions in a circuit ...

miniature circuit breaker
miniature circuit breaker
RI 20

Current: 32 A

Miniature circuit breakers of RI series are used for switching, conducting and switching-off the current not only in normal operating conditions but also in special conditions in a circuit ...

miniature circuit breaker
miniature circuit breaker
RI 50

Miniature circuit breakers of RI series are used for switching, conducting and switching-off the current not only in normal operating conditions but also in special conditions in a circuit ...

short-circuit circuit breaker / modular / molded case
short-circuit circuit breaker
MOD

Current: 40 A - 1250 A

... moulded case circuit breakers are used for switching and protecting low-voltage installations in large residential properties and business as well as industrial buildings. They ensure reliable protection ...

vacuum circuit breaker / high-voltage / AC / for railway applications
vacuum circuit breaker
CVB 25/08 series

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 electric multiple units. Mode ...

vacuum circuit breaker / medium-voltage / AC / for railway applications
vacuum circuit breaker
CVB 15/08 series

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 the vacuum circuit breaker ...

vacuum circuit breaker / medium-voltage / modular
vacuum circuit breaker
NVL

Current: 1600, 2500, 2000 A
VAC: 17.5, 12, 24 kV

Vacuum circuit-breakers are nowadays indispensable Medium Voltage components for the use, restructuring, modernisation and new installation of switchgear.

short-circuit circuit breaker / overload / 2-pole / 4-pole
short-circuit circuit breaker
MCB series

Current: 6 A - 63 A
VAC: 400, 230 V

... of a circuit breaker of the same element. MCBs generally have two options: Closed circuit-breaker: Grants functions of a remote control. With the presence of adequate signal, it can be disconnected ...

short-circuit circuit breaker / overload / 2-pole / 4-pole
short-circuit circuit breaker
RECmaxMP series

Current: 6 A - 63 A
VAC: 240, 415 V

... RECmaxMP are the motorized circuit breakers which can be connected remotely. They serve as a security against short circuit and overload. The switch can be linked via exterior order after ...

earth-leakage circuit breaker / 2-pole / 4-pole / three-phase
earth-leakage circuit breaker
RECmaxLPD series

Current: 6 A - 63 A
VAC: 415, 240 V

... The device connected with the WGC toroidal transformers make sure that the leakage and circuit breaker protection prevents earth leakage, overload or short circuit trip. It is best use in infrastructures ...

short-circuit circuit breaker / overload / high-current / 3-pole
short-circuit circuit breaker
MT-FDE series

Current: 80 A - 250 A
VAC: 240, 415 V

The MT-FDE Series is a motor-driven circuit breaker designed to provide resistance against short circuits and overloads. It is built with an automatic switch that runs through a remote control for 80 ...

short-circuit circuit breaker / overload / 2-pole / 4-pole
short-circuit circuit breaker
MT series

Current: 6 A - 63 A
VAC: 415, 240 V

The MT series motorized circuit breaker functions through securing a specified system from short circuit and overload damages. It can also be used as a circuit breaker device. Its setup ...

circuit breaker
circuit breaker
MAK series

Coupling modules from Murrelektronik can disconnect, switch, or convert voltage - even where space is at a premium. Our product portfolio comprises a variety of relay and optocoupler modules that use the practical terminal block format. ...

magnetic circuit breaker / single-pole
magnetic circuit breaker

Orbit Breakers provide values between 20mA to 50, thermal types offer 1 to 2 pole sections and magnetic version have 1-4 pole tools. Additionally, all models in this series are engineered as per the UL 1077 standards ...

thermal circuit breaker / single-pole / manual reset
thermal circuit breaker

... thermal circuit breakers are delivered with rocker, push-pull, toggle and push-to-reset actuators. They are designed with a combination of on/off switching with circuit protection in ...

vacuum circuit breaker / medium-voltage
vacuum circuit breaker

VAC: 15 kV - 25 kV

The VESA Rolling Stock Vacuum Circuit Breaker is specially made for electric trains with a compact design. It is suitable for used in 25kV and 15kV AC applications. This circuit breaker does not need ...

multi-pole circuit breaker / modular / molded case / miniature
multi-pole circuit breaker
ETIMAT 6 series

Current: 6000 A
VAC: 230 V - 400 V

Description Miniature circuit breakers series ETIMAT 6 are high quality devices, produced in EU, with following technical characteristics: Rated short-circuit capacity: 6.000 A Number ...

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ETI
thermal circuit breaker / overcurrent / remote-controlled
thermal circuit breaker
ETIMAT RC

Current: 1.5 A
VAC: 230 V

The ETIMAT RC is a remote control circuit breaker that provides a protected remote switching and occupies a small amount of space. Its is capable of delivering direct actuation that is installed in bus systems. The control ...

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ETI
single-pole circuit breaker / modular / molded case / miniature
single-pole circuit breaker
ETIMAT DC

VAC: 0 V - 440 V

ETIMAT P10 DC series miniature circuit breaker is a protective system for conductor assemblies within direct current electric circuits. A single-pole and double-pole version is available, where the former ...

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ETI
short-circuit circuit breaker / modular / molded case / motor protection
short-circuit circuit breaker
MPE series

Current: 10 A
VAC: 400 V - 415 V

... protective circuit breakers feature fixed shors circuit release 12 x Iu. It has also overload and short circuit protection. It features temperature compensation and it ...

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ETI
thermal circuit breaker / short-circuit / manual reset / motor protection
thermal circuit breaker
MS25, MST25 series

Current: 25 A
VAC: 0 kV - 400 kV

... 25 A; this can be also used as main switch as per VDE 0113 or EN 60204 standards. Its versions include MS25 - with short circuit and overload protection and MST25 having overload protection. It has manual control as ...

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ETI
thermal circuit breaker / voltage
thermal circuit breaker
W23 series

Current: 1 A - 40 A

The W23-X1A1G-1 is a thermal circuit breaker manufactured by TE Connectivity. Operating on a 250 VAC voltage, it has a current rating of 1 A and an interrupt capacity of 2,000 A. Created with an RoHS compliant structure, ...

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TE Circuit protection
thermal circuit breaker / single-pole / manual reset
thermal circuit breaker
W28 series

Current: 0.25 A - 20 A

The W28-XQ1A-0.25, manufactured by TE, is a thermal circuit breaker that has a current rating of 0.25 A. It has a push to reset actuator style with black button and bezel. It has a trip time of 4.5 - 28 s at 200%. Furthermore, ...

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TE Circuit protection
thermal circuit breaker / single-pole
thermal circuit breaker
W31 series

Current: 1 A - 40 A

The W31-X2M1G-1, manufactured by TE, is a thermal circuit breaker that has a current rating of 1 A. It has a toggle actuator style and an interrupt capacity of 2000A at 50VDC. It has a trip time of 11 - 30 seconds at ...

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TE Circuit protection
thermal circuit breaker / single-pole
thermal circuit breaker
W33 series

Current: 5 A - 20 A

... thermal circuit breaker that has a current rating of 15 A. It has a rocker actuator style and a black rocker color. Furthermore, this device comes with 2 poles. Pole1 has a switched only function while pole2 is a series ...

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TE Circuit protection
thermal circuit breaker / multi-pole
thermal circuit breaker
W51 series

Current: 5 A - 20 A

The W51-A121B1-10, manufactured by TE, is a thermal circuit breaker that has a current rating of 10 A. It has a rocker actuator style and an interrupt capacity of 1000A at 125VAC. It has a red translucent rocker color. ...

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TE Circuit protection
thermal-magnetic circuit breaker / short-circuit / AC / DIN rail
thermal-magnetic circuit breaker

Current: 2 A - 32 A
VAC: 230 V

thermal-magnetic circuit breaker / short-circuit / AC / tripolar
thermal-magnetic circuit breaker

Current: 10 A - 125 A
VAC: 400, 230 V

thermal-magnetic circuit breaker / short-circuit / AC / tetrapolar
thermal-magnetic circuit breaker

Current: 10 A - 125 A
VAC: 230, 400 V

thermal-magnetic circuit breaker / DIN rail / modular
thermal-magnetic circuit breaker

Current: 2 A - 32 A
VAC: 230 V

thermal-magnetic circuit breaker / short-circuit / AC / bipolar
thermal-magnetic circuit breaker

Current: 10 A - 63 A
VAC: 400, 230 V

DC circuit breaker / thermal / overload / IP66
DC circuit breaker
BDM-125 | 500V | 125A | Battery Systems

Current: 125 A
VDC: 500 V

BDM series DC moulded case circuit breaker is for protecting the battery systems and solar PV systems,with over load protection and short circuit protection. Rated voltage is 500VDC. Rated current up ...

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Zhejiang Benyi Electrical Co.,ltd.
DC circuit breaker / manual reset / IP66 / mini
DC circuit breaker
BB1HF-63 series

Current: 63 A
VDC: 1200 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 ...

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Zhejiang Benyi Electrical Co.,ltd.
DC circuit breaker / 2-pole / manual reset / miniature
DC circuit breaker
BB1-63

Current: 3 A - 63 A
VDC: 1000 V

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Zhejiang Benyi Electrical Co.,ltd.
thermal circuit breaker / short-circuit / modular / miniature
thermal circuit breaker
BB1-63 series

Current: 3 A - 63 A
VDC: 1000 V

BB1-63 DC circuit breaker for solar DC 4P 1000V 63A

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Zhejiang Benyi Electrical Co.,ltd.
thermal circuit breaker / DC / automatic / miniature
thermal circuit breaker
600V 63A BB1-63

Current: 0 A - 63 A
VDC: 300 V - 1200 V

DC circuit breaker for solar combiner box application. Up to 1200V 63A With TUV certificate

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Zhejiang Benyi Electrical Co.,ltd.
vacuum circuit breaker / indoor
vacuum circuit breaker

Current: 630 A - 2500 A
VAC: 12 kV - 38.5 kV

DRIESCHER - Indoor vacuum circuit-breaker - rated voltage 12 kV up to 38,5 kV - rated current 630 A up to 2500 A

How to choose this product

circuit-breaker

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.