Sichuan Qixing Electronics Co., Ltd.
                                                                                                           
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BC1 High Power Sliding Rheostat Porcelain Disc Adjustable Resistor 25W-500W 1Ω-5KΩ Range

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Brand: BONENS
Product Description
Product Overview
The BC1 series high-power sliding rheostat features a porcelain disc design with adjustable resistance values from 10Ω to 5KΩ and power ratings from 25W to 500W. This robust resistor can function as a two-terminal resistor or three-terminal potentiometer, offering exceptional versatility for industrial applications.
BC1 High Power Sliding Rheostat Porcelain Disc Adjustable Resistor
Key Features
  • High power capacity up to 500W standard (1500W+ custom options available)
  • Wide resistance range: 1Ω to 5KΩ
  • Excellent humidity resistance with enamel glaze coating
  • High-quality resistance alloy wire construction
  • Temperature range: -55℃ to 350℃
  • Stable and durable with overload capacity
  • Manual rotary arm operation for precise adjustment
Construction Details
The BC1 variable resistor utilizes premium resistance alloy wire wound around a C-shaped ceramic ring. The entire resistance ring, except for the sliding contact surface, is coated with non-combustible resin paint and secured with high-temperature glaze. This construction ensures reliable performance in demanding industrial environments.
BC1 Resistor Copper Shaft and Stainless Steel Base Nut
Power and Resistance Specifications
Power (W) Resistance Range (Ω) A (mm) B (mm) F (mm)
25W 1Ω-5KΩ 40 45 60
50W 1Ω-5KΩ 62 70 65
100W 1Ω-5KΩ 82 91 65
150W 1Ω-5KΩ 102 110 75
300W 1Ω-5KΩ 150 170 110
500W 1Ω-5KΩ 200 190 110
Technical Specifications
Standard Resistance Range 1Ω~5KΩ
Resistance Tolerance ±10%
Temperature Range -55℃~350℃
Insulation Resistance ≥100MΩ (500Vdc)
Maximum Heating Temperature 350℃
Vibration Resistance 10~200Hz, 40m/S², 3h ΔR≤±3%R
Load Endurance 5000 cycles (R≤1KΩ), 1000 cycles ΔR≤±5%R
Applications
Ideal for telecommunications, railway systems, electrical equipment, medical devices, industrial machinery, and low-frequency AC/DC electrical systems requiring voltage regulation, current control, or adjustable load resistance.
Customization Options
Available in dual, triple, and quadruple potentiometer configurations with power ratings up to 2000W. Custom specifications available upon request with 5-7 day production cycle.
BC1 High Power Resistor Technical Diagram

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Sichuan Qixing Electronics Co., Ltd.
Location 2nd Floor, Building 2, 388 Rongtai Avenue Chengdu Sichuan China
Contact Person weidong tong

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