UL30057 High-Voltage Silicone Rubber (SR) Wire | 200ºC 5000V AC
The UL30057 Silicone Rubber (SR) Wire is a heavy-duty electrical solution engineered for high-potential (Hi-Pot) environments. Featuring a powerful 5000V AC voltage rating and an elite 200ºC temperature resistance, this wire provides critical safety and performance for internal wiring in industrial machinery and high-voltage appliances.
Product Specifications
| Feature | Details |
| Model | UL30057 High-Voltage SR Wire |
| Rated Temperature | 200ºC |
| Rated Voltage | 5000V AC |
| Conductor Range | 22 AWG to 350 kcmil |
| Conductor Material | Solid or Stranded; Tinned or Bare Copper |
| Insulation Material | High-Grade Silicone Rubber (SR) |
| Flame Rating | Passes FT2 Horizontal Flame Test |
| Compliance | UL758, UL1581, RoHS Compliant |
Key Performance & Design Features
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Ultra-High Voltage Capability (5000V): Designed specifically for high-stress electrical circuits, providing an exceptional dielectric barrier to prevent arcing and insulation breakdown.
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Extreme Thermal Stability: Rated for continuous operation at 200ºC, the premium Silicone Rubber (SR) insulation will not become brittle or melt under intense heat.
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Oil-Resistant Insulation: Optimized for the internal wiring of appliances where the cable may be exposed to oil. This wire maintains its integrity in oily or greasy environments without swelling or degrading.
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Extensive Gauge Range: Available from 22 AWG for signal/control wiring up to 350 kcmil for high-current power transmission, covering a wide spectrum of industrial needs.
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Manufacturing Precision: Features a uniform insulation thickness, which ensures consistent electrical protection and enables easy stripping and cutting—crucial for high-efficiency automated production.
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Safety & Compliance: Built to UL758 and UL1581 standards and passes the FT2 Horizontal Flame Test, ensuring the highest level of fire safety and regulatory compliance.
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Eco-Friendly Choice: Fully RoHS compliant, meeting global environmental standards for restricted substances.
Primary Applications
The UL30057 wire is the industry standard for high-voltage, high-heat settings:
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Industrial Appliances: Internal wiring for commercial ovens, industrial furnaces, and large-scale heating elements.
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Power Electronics: Leads for high-voltage transformers, medical imaging equipment (X-ray/MRI), and power generators.
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HVAC & Automotive: High-temperature sensors and ignition systems exposed to lubricants and oils.
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Energy Storage: Critical wiring in power substations and battery energy storage systems (BESS).
Why Choose Our UL30057 SR Wire?
When safety cannot be compromised, our UL30057 wire delivers. By using tinned copper for enhanced oxidation resistance and high-grade Silicone Rubber, we provide a cable that is easy to install in tight spaces thanks to its superior flexibility, while remaining rugged enough to handle 5000V of AC power.
