Vacuum Circuit Breakers

While our website showcases a large assortment of our products, it does not reflect the complete inventory of products currently available. For real-time availability and to ensure we can meet your specific needs, please contact our sales team at 1-800-328-1842. New products arrive daily and our knowledgeable staff are happy to assist you in locating the exact item(s) you need.

V5D1133YZ00 Square D Vacuum Breaker 29KV 1200A EO/DO

VR Square D Vacuum Breaker; 1200 amps, 29 KV. Electrically operated, draw-out, cat #V5D1133YZ00, Closing Coil Volt Range: 100-140 VDC. Used Electrically OK.
SKU: V5D1133YZ00#22936

V5D1133YZ00 Square D Vacuum Breaker 29KV 1200A EO/DO

VR Square D Vacuum Breaker; 1200 amps, 29 KV. Electrically operated (E/O), draw-out (D/O), cat #V5D1133YZ00, Closing Coil Volt Range: 100-140 VDC. Used Electrically OK.
SKU: V5D1133YZ00#22937

VB 4.16-350-2 GE 5KV 1200A EO/DO Power VAC Circuit Breaker

General Electric Power VAC Circuit Breaker VB 4.16-250-2; 1200 amp, 4.76 KV, 60 Hz. Impulse Withstand: 60 KV, Int Time: 5 CYC. Electrically operated (E/O), 125 volt DC, draw-out (D/O), Used Electrically OK.
SKU: VB4.163502#20692

VB1-4.16-250-2 GE 5KV 1200A EO/DO Power VAC Circuit Breaker

General Electric Power VAC Circuit Breaker VB1 4.16 250 2; 1200 amp, 4.76 KV, 60Hz. Impulse Withstand: 60 KV, Int Time: 5 CYC. Electrically operated (E/O), 125 volt DC, draw-out (D/O). Used Electrically OK.
SKU: VB14.162502#19063

VVC-4.16-250-1H Magne Blast GE Vacuum Breaker Conversion 2000A 4.76KV

VVC-4.16-250-1H Magne Blast General Electric Vacuum Breaker Conversion; 2000 amps, 4.76 KV, SB-12 Auxiliary Switch, Cracked side board, Dented back panel. Used Electrically OK.
SKU: VVC4.162501H#21954

150 DHP-VR-1000 Cutler-Hammer Vacuum Breaker 1200A 15KV EO/DO

150 DHP-VR-1000 Cutler-Hammer Vacuum Breaker; 1200 amps, 15 KV. Electrically operated (E/O), draw-out (D/O), 125 VDC Motor Volts. Used Electrically OK.
SKU: 150DHPVR1000#22880

150 DHP-VR-1000 Cutler-Hammer Vacuum Breaker 2000A 15KV EO/DO

150 DHP-VR-1000 Cutler-Hammer Vacuum Breaker; 2000 amps, 15 KV. Electrically operated (E/O), draw-out (D/O), 125 VDC Motor Volts. Used Electrically OK.
SKU: 150DHPVR1000#22879

Used and Refurbished Vacuum Breakers

Find Your Perfect Match for Seamless Vacuum Circuit Breaker Replacement

You’ve got a deep selection of vacuum circuit breaker types available in our inventory to match and replace your current vacuum breakers. This circuit breaker selection can meet your specific needs, guaranteeing compatibility and peak performance, whether you need a certain voltage rating, current capacity, or design.

Upgrade Or Replace Your Vacuum Breaker: Choose New or Refurbished

You have the option to select between used, reconditioned or brand-new vacuum circuit breakers. Refurbished breakers offer you affordable options without sacrificing quality, while new breakers guarantee the newest models and come with warranties. Our reconditioned items go through extensive testing and inspections to ensure performance and dependability, offering a solid yet affordable choice.

Electrical Testing Certifies Circuit Breaker Quality and Performance

We carry out extensive electrical testing on your vacuum breaker to guarantee quality, safety, and performance. As a way to make sure that every breaker satisfies industry standards and specifications, you can be certain of your gear's dependability and quality.

Specifying Your Vacuum Breaker Power Requirements

Take into account power requirements like voltage, current rating, breaking capacity, and application requirements when choosing the right vacuum circuit breaker. To guarantee the best possible performance and safety for your electrical systems, let our team of experts help you choose the best breaker for your unique power needs.

Common Vacuum Circuit Breaker Applications

Vacuum circuit breakers are used in many different applications, including data centers, industrial plants, power distribution systems, and commercial buildings. They're perfect for protecting electrical equipment from overloads and short circuits, guaranteeing safety, and averting damage to vital machinery and infrastructure because of their superior electrical arc interruption capabilities.

Vacuum Breaker Technology

Vacuum breakers get their name from the vacuum interrupter used. For improved arc interruption capabilities, a vacuum is produced inside the interrupter instead of air or gas. In breaking circuits under fault situations, this vacuum environment offers greater performance and reliability by rapidly extinguishing the arc. The breaker is safer overall and less likely to catch fire when there is no gas or air present.

Types of Vacuum Circuit Breakers

Different Vacuum Circuit Breaker Types: Different types of vacuum circuit breakers include fixed, draw-out, and magnetic actuator variants. Draw-out models are more flexible and require less maintenance in industrial settings, while fixed types are stationary and ideal for small installations. For effective arc control, magnetic actuator types employ magnetic field technology; they are suited to heavy-duty applications.

Air Breaker Type

How the Breaker Type Works

Fixed Vacuum Circuit BreakerSuitable for compact installations, residential buildings, and small commercial facilities. Offers stable and reliable circuit interruption.
Draw-Out Vacuum Circuit BreakerIdeal for industrial settings, manufacturing plants, and larger commercial installations. Provides flexibility for maintenance and easy replacement.
Magnetic Actuator Vacuum Circuit BreakerRecommended for heavy-duty applications, such as power generation plants, substations, and critical infrastructure due to efficient arc control and high fault handling capabilities.

EMSCO has maintained a dedicated warehouse facility since 1948 to meet our customer's needs and offer a wide choice of industrial electrical supplies all under one roof. EMSCO sells most brands and types of industrial electrical power distribution equipment, including busway, bus plugs, transformers, circuit breakers, motor controls, and switchgear, in its 250,000-square-foot warehouse.

📞 EMSCO electrical circuit protection inventory also includes Molded Case, Insulated Case, Air Circuit Breakers and Motor Circuit Protectors. Call 800-328-1842 now or click to chat live with one of our electrical product specialists.