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Switch Disconnectors
  • High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch
  • High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch
  • High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch
  • High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch
  • High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch
  • High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch
High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch

High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch

  • 100 - 999 Pieces
    $35
  • >= 1000 Pieces
    $18

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
technical parameters（Min.Order: 100 pieces）
View product details

High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High Voltage Isolation: Designed to safely disconnect and isolate 11kV DC circuits for maintenance or fault handling while ensuring electrical safety.
  • Conductive Performance: Utilizes copper contacts for low resistance and silicone rubber insulation for reliable dielectric strength, enabling stable operation at 50Hz frequencies.

Key features

  • 1. Material Technology

    • With copper conductors and silicone rubber insulation, ensure high conductivity and reliable electrical isolation compared to traditional ceramic-based models*.

  • 2. Interactive Design

    • With a modular design, enable quick installation and component replacement without disrupting system operations, reducing downtime by up to 30% versus conventional switches*.

  • 3. Performance Parameters

    • Rated for 11KV voltage and 50Hz frequency, handle high-power applications with efficiency, surpassing standard 6KV disconnectors in capacity*.

  • 4. Scenario Solutions

    • Designed for outdoor environments, maintain performance in extreme temperatures, rain, and snow, ensuring reliability in harsh conditions compared to indoor-only models*.

  • 5. Certification Standards

    • Constructed with corrosion-resistant materials, meet industry safety standards for high-voltage systems, ensuring compliance with regulatory requirements*.

  • Notes:

    • Comparative hints are based on inferred advantages over common alternatives in the category.

Product details

High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch

The High Voltage DC 11KV Disconnect Isolating 11kv Knife Switch is a robust electrical component designed for safe isolation and disconnection in high-voltage power systems. Crafted from copper conductors and silicone rubber insulation, it ensures reliable performance in harsh outdoor environments while meeting stringent safety standards.

Technical specifications

FeatureSpecificationBenefit
Material CompositionCopper conductors, silicone rubber insulationHigh conductivity and weather-resistant insulation
Voltage Rating11KV DCSafe isolation in high-voltage systems
Frequency Compatibility50HzStable operation in standard power grids
Insulation MaterialSilicone rubberResists UV, moisture, and extreme temperatures
Design TypeKnife switch with modular bracketsEasy installation and maintenance
Application ScenarioPower distribution systems, industrial plantsEnsures safe isolation in critical infrastructure

Customization guide

Adjustable parameters include voltage rating (up to 20KV), connector size, and insulation material composition to meet specific environmental or regulatory requirements.

Get inspired

With silicone rubber insulation, you can ensure long-term durability in outdoor conditions. The modular design allows quick replacement of components, reducing downtime during maintenance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Withstand11KV DC15KV DC (+36%)20KV DC (+82%)
Insulation MaterialStandard siliconeEnhanced UV-resistant siliconePremium silicone + ceramic coating
Durability Rating10 years15 years (+50%)20 years (+100%)

Supplier's note

  1. Three Technical Breakthroughs:

    • Silicone Rubber Insulation: Outperforms traditional rubber with 20% better UV resistance.
    • Copper Conductors: Reduces energy loss by 15% compared to aluminum-based switches.
    • Modular Design: Enables 30% faster maintenance than non-modular switches.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard 11KV applications in stable environments (e.g., indoor substations).
    • Advanced Model: Suitable for industrial plants requiring 15KV handling and prolonged outdoor exposure.
    • Pro Model: Designed for extreme conditions (e.g., coastal regions) with high-voltage demands and 20-year lifecycle requirements.

With the Pro version’s 20KV rating and ceramic-coated insulation, you can safely handle voltages triple the industry benchmark, ensuring reliability in critical power systems. Pair this with its corrosion-resistant copper conductors to minimize downtime in harsh climates.

Frequently asked questions

  • Which High Voltage DC 11KV Disconnect Switch suits 50Hz power systems?

  • How to maintain a 11kv Knife Switch with silicone rubber insulation?

  • Copper vs Aluminum contacts: Which is better for 11kv Knife Switches?

  • Can 11kv Disconnect Isolators be customized for higher voltage ratings?

  • Is the 11kv Disconnect Switch IEEE/IEC-certified?

  • Is the 11kv Knife Switch suitable for AC or DC systems?

  • What temperature range does a 11kv Disconnect Switch handle?

  • How does the 11kv Disconnect Switch prevent electrical arcing?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Knife SwitchesManual isolation in substations- Dielectric Strength: 18 kV/mm (Std) ▲22 (Base) ▲25 (Adv) (prevents arcing up to 25,000 V/mm)
- Copper contacts (58 MS/m ▲ vs Std’s 37 MS/m) (low resistance for efficient current flow)
- Frequency: 50Hz (Std) ▲50–60Hz (Adv) (global power system compatibility)		Cost-effective, simple designNo automatic fault protection, manual operation only
Circuit BreakersAutomatic interruption in industrial plants- Aluminum contacts (37 MS/m) (moderate conductivity)
- Epoxy insulation (15 kV/mm) (standard protection)
- Auto-tripping mechanism (interrupts faults automatically)		Auto-fault protection, high current handlingHigher cost, complex maintenance requirements
Load Break SwitchesSwitching under load in distribution networks- Load-breaking capability (50–60Hz) (operates under active current)
- Dielectric strength: 18 kV/mm (similar to Std knife switches)		Operates under load, compact designLimited fault current interruption capability
Earth SwitchesGrounding during maintenance- Steel housing (IP54 rated) (durable outdoor protection)
- Earth grounding capability (mandatory for safety)		Ensures safety during maintenanceSingle-function, requires coordination with other switches
Vacuum DisconnectorsHigh-voltage substations with arc suppression- Vacuum interrupters (100 kV/cm dielectric strength) (no arcing)
- Zero maintenance contacts (long lifespan)		No arcing, maintenance-free operationHigh cost, complex installation requirements
Fuse SwitchesResidential overcurrent protection- Fuses rated up to 200A (basic overcurrent protection)
- Voltage ≤1 kV (low-voltage applications)		Inexpensive, simple replacementRequires fuse replacement, limited capacity

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