Network protection circuit breakers

Do you need help making a decision?  Take a look at our buying guide
12 companies | 49 products
exhibit your products

& reach your clients in one place, all year round

Exhibit with us
Search
Network protection circuit breakers | Choosing the Right Circuit Breaker
The obvious alternative to a circuit breaker is a fuse, which seemingly offers the advantages of relatively low cost and simplicity. Technical standards will often determine whether you need to use a circuit breaker or a fuse, and although circuit breakers are more expensive and complex, they are advantageous for several reasons. These include:  The condition of a fuse is difficult to estimate and it may degrade over time whereas a circuit breaker can be regularly...
{{#pushedProductsPlacement4.length}} {{#each pushedProductsPlacement4}}
{{product.productLabel}}

{{product.productLabel}} {{product.model}}

{{#if product.featureValues}}
{{#each product.featureValues}} {{content}} {{/each}}
{{/if}}
{{#if product.productPrice }} {{#if product.productPrice.price }}

{{product.productPrice.formattedPrice}} {{#if product.productPrice.priceType === "PRICE_RANGE" }} - {{product.productPrice.formattedPriceMax}} {{/if}}
{{/if}} {{/if}}
{{#if product.activeRequestButton}}
{{/if}}
{{product.productLabel}}
{{product.model}}

{{#each product.specData:i}} {{name}}: {{value}} {{#i!=(product.specData.length-1)}}
{{/end}} {{/each}}

{{{product.idpText}}}

{{productPushLabel}}
{{#if product.newProduct}}
{{/if}} {{#if product.hasVideo}}
{{/if}} {{#each product.productTagAssociationList}}
{{/each}}
{{/each}} {{/pushedProductsPlacement4.length}}
{{#pushedProductsPlacement5.length}} {{#each pushedProductsPlacement5}}
{{product.productLabel}}

{{product.productLabel}} {{product.model}}

{{#if product.featureValues}}
{{#each product.featureValues}} {{content}} {{/each}}
{{/if}}
{{#if product.productPrice }} {{#if product.productPrice.price }}

{{product.productPrice.formattedPrice}} {{#if product.productPrice.priceType === "PRICE_RANGE" }} - {{product.productPrice.formattedPriceMax}} {{/if}}
{{/if}} {{/if}}
{{#if product.activeRequestButton}}
{{/if}}
{{product.productLabel}}
{{product.model}}

{{#each product.specData:i}} {{name}}: {{value}} {{#i!=(product.specData.length-1)}}
{{/end}} {{/each}}

{{{product.idpText}}}

{{productPushLabel}}
{{#if product.newProduct}}
{{/if}} {{#if product.hasVideo}}
{{/if}} {{#each product.productTagAssociationList}}
{{/each}}
{{/each}} {{/pushedProductsPlacement5.length}}
voltage circuit breaker
voltage circuit breaker
SB6100 series

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. ...

SF6 gas-insulated circuit breaker
SF6 gas-insulated circuit breaker
LW25

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 • ...

See the other products
Dowei Electric
dead-tank circuit breaker
dead-tank circuit breaker
LW24

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 • ...

See the other products
Dowei Electric
vacuum circuit breaker
vacuum circuit breaker
OVCB

Primary current: 600 A - 3,000 A
VAC: 4.16 kV - 40.5 kV
VDC: 110 V - 220 V

... Porcelain bushings with extended creepage for higher BIL • Multi-ratio bushing-type CTs for measurement & protection • Standard configuration for 2-opening coils and 1-closing coil • High current switching capability, ...

See the other products
Dowei Electric
hydraulic-magnetic circuit breaker
hydraulic-magnetic circuit breaker
B1 series

Primary current: 1 A - 40 A
VAC: 250 V
VDC: 80 V

... Circuit Breaker-B1 Series B1 series product is a hydraulic electromagnetic circuit breaker which our company design and develop by adopting international advanced technology.The circuit ...

See the other products
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
hydraulic-magnetic circuit breaker
hydraulic-magnetic circuit breaker
B1 series

Primary current: 1 A - 40 A
VAC: 0 V - 250 V
VDC: 0 V - 80 V

... Hydraulic Magnetic Circuit Breaker B1 series product is a hydraulic electromagnetic circuit breaker which our company design and develop by adopting international advanced technology.The ...

See the other products
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
hydraulic-magnetic circuit breaker
hydraulic-magnetic circuit breaker
B2 series

Primary current: 1 A - 50 A
VAC: 0 V - 250 V
VDC: 0 V - 80 V

... other parts.The circuit breaker is used in AC50Hz/60Hz,rated voltage DC80V or AC250V equipment network circuit.It is mainly used for a variety of equipment and lines to provide accurate ...

See the other products
ZHEJIANG BSB ELECTRICAL APPLIANCES CO.,LTD
vacuum circuit breaker
vacuum circuit breaker
V12-630-20 KUF

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 ...

thermal-magnetic circuit breaker
thermal-magnetic circuit breaker
PR series

Primary current: 80 A - 125 A
VAC: 230 V - 400 V

... Circuit breakers PR121 - PR122 - PR123 - PR124 series 1- to 4-pole circuit breakers, from 80 to 125 A. B and C curves. ...

high-voltage circuit breaker
high-voltage circuit breaker
Power Rider HV 25A

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 ...

hydraulic-magnetic circuit breaker
hydraulic-magnetic circuit breaker
D2R series

Primary current: 0.5 A - 100 A

... Single Pole AC fitted with Plug-in Terminals Curves: • AS (Long Delay) • BS (Medium Delay) • CS (Short Delay) Mounting Options: Metric or Imperial Mounting Approvals: • IEC60947-2 • UL489 • GB140482 • EAC • CE Ratings 90 A to 100 ...

thermal-magnetic circuit breaker
thermal-magnetic circuit breaker
CKDB7

Primary current: 1 A - 63 A
VAC: 230, 400 V

... operating voltage(Ue)/frequency Rated withstand impulse voltage(Uimp): Protection degree: IP20 Instantaneous tripping type: B C D Instantaneous tripping type: K Rated short- circuit breaking capacity(lcu): 6 ...

See the other products
COMESTERO SISTEMI
air-operated circuit breaker
air-operated circuit breaker
GYW1

VAC: 660, 690 V

... intelligent breakers (hereinafter referred to air circuit breakers ), are suitable for distribution networks of AC 50HZ, rated voltage up to 660V(690V)and rated current ...

vacuum circuit breaker
vacuum circuit breaker
ZW8-12 (G) series

Primary current: 630 A
VAC: 12 kV

... ZW8-12 series vacuum circuit breaker is a H.V. outdoor switch with rated voltage 12kV, tri-phase AC 50Hz, which is mainly used for making and breaking load current, over-current, short- circuit current ...

See the other products
Wenzhou Vacem Technology Co., Ltd
miniature circuit breaker
miniature circuit breaker
41125C

Primary current: 6,000 A
VAC: 230 V
Rating: 25 A

... - Tripping curve: B, C B - The maximum current release breaks between 3 and 5 In; used to protect long circuits and generators С - The maximum current release breaks between 5 and 10 In; used to protect main power supply cables and ...

See the other products
Elmark
air-operated circuit breaker
air-operated circuit breaker
RDW1-2000~6300 series

Primary current: 400 A - 6,300 A
VAC: 400, 690 V

... RDW1-2000~6300 air circuit breaker, applied to power distribution network of AC50Hz,rated operational voltage up to 690V,Rated current from 400A to 6300A. It is mainly used to distribute powerand protect ...

See the other products
PEOPLE ELE. APPLIANCE GROUP CO., LTD.
exhibit your products

& reach your clients in one place, all year round

Exhibit with us
DirectIndustry RFQ: Free quotation comparison tool
Receive and compare quotations for free
Describe your project
We select
the best suppliers
Compare quotations and complete your purchase