INDUSTRY COMPONENT

Insulating Spacer

Insulating spacer for electrical isolation in core clamping systems

Component Specifications

Definition
A precision-engineered insulating component designed to maintain electrical isolation between conductive elements in transformer core clamping systems, preventing short circuits and ensuring operational safety by withstanding high voltage differentials and mechanical stresses.
Working Principle
Works by creating a physical barrier with high dielectric strength between metal clamping components, interrupting electrical conductivity paths while maintaining structural integrity under clamping pressure and thermal expansion.
Materials
High-grade electrical insulating materials: Fiberglass reinforced epoxy (FR-4), Polyimide (Kapton), Ceramic-filled composites, or Silicone rubber with temperature ratings from -40°C to 200°C, dielectric strength 15-30 kV/mm.
Technical Parameters
  • Dielectric Strength ≥20 kV/mm
  • Surface Resistivity ≥10^12 Ω·cm
  • Thickness Tolerance ±0.1 mm
  • Compressive Strength ≥150 MPa
  • Thermal Conductivity 0.2-0.5 W/m·K
  • Operating Temperature -40°C to 180°C
Standards
ISO 1463, IEC 60672, ASTM D149

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Insulating Spacer.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Electrical short circuit
  • Dielectric breakdown
  • Mechanical failure under pressure
  • Thermal degradation
  • Moisture absorption reducing insulation
FMEA Triads
Trigger: Contamination or moisture ingress
Failure: Reduced dielectric strength leading to electrical breakdown
Mitigation: Use sealed designs, apply hydrophobic coatings, implement regular inspection and cleaning protocols
Trigger: Excessive clamping pressure
Failure: Mechanical cracking or deformation
Mitigation: Design with proper pressure distribution, use reinforced materials, implement torque-controlled installation
Trigger: Thermal cycling beyond material limits
Failure: Material degradation and loss of insulating properties
Mitigation: Select materials with appropriate temperature ratings, design for thermal expansion, implement temperature monitoring

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Dimensional tolerance ±0.1mm, dielectric strength tolerance +0/-10% of rated value
Test Method
Dielectric strength test per IEC 60243, dimensional verification per ISO 2768, thermal cycling test per IEC 60068-2-14

Buyer Feedback

★★★★☆ 4.8 / 5.0 (29 reviews)

"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Insulating Spacer so far."

"Testing the Insulating Spacer now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

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Frequently Asked Questions

What is the primary function of an insulating spacer in core clamping systems?

To provide reliable electrical isolation between metal clamping components while maintaining structural integrity under mechanical pressure and thermal cycling.

How do I select the right insulating spacer material?

Consider operating voltage, temperature range, mechanical load, environmental conditions, and compliance requirements. FR-4 is common for general applications, while polyimide offers higher temperature resistance.

What are common failure modes of insulating spacers?

Dielectric breakdown from contamination or moisture, mechanical cracking under excessive pressure, thermal degradation, and tracking/erosion from partial discharges.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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