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Medium & High Voltage Products
Vacuum Circuit Breakers
  • ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker
  • ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker
  • ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker
  • ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker
  • ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker
  • ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker
ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker
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ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker

  • >= 1 Pieces
    $5,000

Customization:

Customized packaging（Min.Order: 50 pieces）
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ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Voltage Protection: Designed to handle 40.5kV systems, ensuring reliable interruption of high fault currents (up to 50kA) to safeguard power generation and distribution infrastructure.
  • Generator Circuit Optimization: Tailored for generator circuits in industrial and commercial settings, preventing overloads and short-circuit damage through advanced vacuum interrupter technology.
  • Handcart Design: Enables easy installation/removal for maintenance, minimizing downtime in critical electrical systems.

Key features

  • 1. Advanced Vacuum Interrupter Technology

    • With vacuum interrupter technology, ensure reliable arc extinction and longevity under high current conditions. The VD4G series offers breaking capacities up to 50kA, surpassing conventional models by ~20% in fault current handling capability*.

  • 2. Handcart Design for Seamless Maintenance

    • With a modular handcart-type design, streamline installation, maintenance, and troubleshooting without interrupting system operation. This reduces downtime compared to fixed-type circuit breakers by up to 30%*.

  • 3. Dual-Frequency Compatibility

    • Support both 50Hz and 60Hz frequencies, ensuring seamless integration into global power systems. This adaptability makes it ideal for international projects or mixed-frequency grids.

  • 4. Industrial-Grade Reliability for Critical Applications

    • Designed for generator protection in industrial and commercial settings, the VD4G series maintains stable operation under continuous heavy loads. Its robust construction ensures safety and efficiency in environments demanding 24/7 uptime.

  • 5. Compliance with Global Safety Standards

    • Certified to IEC 62271-100 and ISO 9001, the VD4G series guarantees compliance with international safety and quality benchmarks. ABB’s reputation ensures trust in mission-critical electrical infrastructure.

Product details

ABBs VD4G Series Generator Circuit Breaker (handcart Type) VD4 CL EP Series 40.5kV Vacuum Circuit Breaker

The ABB VD4G Series Generator Circuit Breaker (handcart type) and VD4 CL EP Series 40.5kV Vacuum Circuit Breaker are engineered for high-reliability power distribution in industrial applications. Designed with robust vacuum technology and customizable breaking capacities (25kA to 50kA), these breakers ensure safe, efficient interruption of high-current circuits. The compact handcart design simplifies installation and maintenance, while reinforced packaging (corrugated cardboard crates with metal straps) guarantees secure transportation and storage.

Technical specifications

FeatureSpecificationBenefit
Breaking Capacity25kA, 31.5kA, 40kA, 50kAAdapts to diverse power system demands
Frequency Compatibility50Hz, 60HzGlobal industrial standard compliance
Phase ConfigurationThree-phaseEnsures balanced power distribution
TypeVacuumZero-maintenance arc quenching
Packaging MaterialCorrugated cardboard + metal strapsEnhanced shock resistance and stability

Customization guide

Adjustable breaking capacity configurations (25kA to 50kA) allow precise alignment with system requirements. For specialized applications, consult ABB to tailor frequency settings or integrate additional safety labels (e.g., "Keep Dry" or "Fragile") for transport.

Get inspired

ABB’s VD4G series combines cutting-edge vacuum technology with rugged packaging to protect critical infrastructure. Whether upgrading a power grid or safeguarding sensitive equipment during transit, these breakers deliver unmatched reliability and adaptability.

Choose your model

ParameterBase Model (VD4G 25kA)Advanced Model (VD4G 31.5kA/40kA)Pro Model (VD4G 50kA)
Breaking Capacity25kA+26% (31.5kA) / +60% (40kA)*+100% (50kA)*
Frequency Support50Hz50Hz/60Hz50Hz/60Hz
Breaking PerformanceStandardImproved arc resistancePremium thermal stability

Supplier's note

  1. Technical Breakthroughs:

    • Adaptive Breaking Capacity: With breaking capacities from 25kA to 50kA, the Pro model handles 100% higher currents than the Base, enabling use in heavy industrial grids.
    • Dual-Frequency Compatibility: The Advanced and Pro models support 50Hz/60Hz systems, expanding deployment across global markets.
    • Vacuum Arc Quenching: Zero-maintenance vacuum technology reduces downtime by 40% compared to traditional oil-filled breakers.

  2. Version Selection Guidance:

    • Base Model: Ideal for standard commercial facilities (e.g., small factories) requiring 25kA capacity.
    • Advanced Model: Suitable for medium-scale industries (e.g., data centers) needing 31.5kA–40kA handling and 60Hz support.
    • Pro Model: Designed for high-demand applications like power plants or substations, where 50kA breaking and premium thermal stability are critical.

With the Pro model’s 50kA breaking capacity, you can safely manage extreme fault currents in heavy industrial settings. Pair its vacuum technology with reinforced packaging to ensure zero-damage transport and seamless integration into complex systems.

Frequently asked questions

  • Which ABB VD4G model is best suited for a 50kA breaking capacity in industrial applications?

  • How do I ensure safe handling of ABB VD4G circuit breakers during transportation?

  • What materials are used in ABB VD4G packaging, and why are they preferred over metal?

  • Can ABB customize VD4G packaging for specialized projects?

  • Is the ABB VD4G 40.5kV vacuum circuit breaker compliant with international safety standards?

  • What installation requirements apply to the ABB VD4G handcart-type circuit breaker?

  • Are there specific precautions for storing ABB VD4G breakers before installation?

  • Does the ABB VD4G support three-phase systems in generator applications?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Breaking CapacityPower Plants, Industrial SubstationsIndustry: 31.5kA (IEC 62271-100) ▲ Base: 40kA (IEC 62271-100) ▲▲ Advanced: 50kA (IEC 62271-100)Advanced handles extreme fault currents (e.g., 50kA for power grids)Higher ratings increase cost and require specialized installation
Frequency CompatibilityGlobal Installations (50/60Hz)Industry: 50Hz ▲ Base/Advanced: 50/60Hz (±5% tolerance)Supports worldwide deployment without redesigning systemsIndustry-standard units may limit use in 60Hz regions (e.g., North America)
Mechanical LifeHigh-Cycle Applications (Substations)Industry: 5,000 operations ▲ Base: 10,000 ▲▲ Advanced: 20,000 (IEC 62271-100)Advanced reduces maintenance frequency by 75% compared to industry standardsExtended life cycles add ~20% to upfront costs
Dielectric StrengthHigh-Voltage Environments (40.5kV Systems)Industry: 42kV 1min (IEC) ▲ Base: 48kV ▲▲ Advanced: 55kV (IEC 62271-100)Advanced ensures safety in harsh environments (e.g., storm-prone areas)Thicker insulation increases weight by 15%
Arc Withstand TimeFault Interruption in High-Energy SystemsIndustry: 0.3s @40.5kV ▲ Base: 0.5s ▲▲ Advanced: 1.0s (IEC 62271-100)Advanced prevents equipment damage during prolonged faultsLonger withstand time requires larger physical dimensions
Vacuum Interrupter DesignHarsh Environments (Corrosive/Dusty)All: Vacuum Tech (zero maintenance) ▲ Advanced: 1.5mm Contact Gap (vs Base: 1mm)No gas leakage, compact size, and resistance to environmental contaminantsVacuum tech demands precise manufacturing (higher defect risk in low-tier units)

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