BC1 Ceramic Disc Adjustable Resistance 100W Rheostat
The BC-1 wire wound resistor features high resolution capability with a wide resistance range. Designed for durability, it offers excellent heat resistance, humidity resistance, and wear resistance characteristics. Suitable for voltage and current adjustment in power equipment and circuits not exceeding 380V AC or 220V DC.
Technical Specifications
- Maximum working voltage: 1000V with 2500V insulation voltage
- Temperature rise: ≤300K for 25-100W models; ≤350K for ≥150W models
- Slider travel: 280±5° for 25-50W models; 300±5° for ≥100W models
- Linear deviation: Not greater than ±10% across entire travel
- Rotation durability: 5,000 cycles with ≥90% travel
- High temperature test: 40°C for 6 weeks with insulation resistance <1.5mΩ
Product Description
The BC1 series of rotor-arm sliding wire porcelain disk variants are designed for voltage and current adjustment in industrial electrical equipment up to 500V. The resistor uses a round ceramic skeleton with Kanthal copper or nickel chromium wire, coated with high-temperature enamel. The sliding grip and brush mechanism provides variable resistance. The unit features a protective metal case with handwheel operation.
Technical Parameters
| Electrical Characteristics |
Environmental Characteristics |
| Standard resistance range: 1Ω~5KΩ |
Temperature range: -55℃~350℃ |
| Resistance tolerance: ±10% |
Vibration: 10~200Hz, 40m/S², 3h ΔR≤±3%R |
| Terminal resistance: ≤0.2% or 1Ω |
Temperature cycling: -55°C to 85°C |
| Insulation resistance: ≥100mΩ (500Vdc) |
Humidity: 40±2°C, RH 95%-98% |
| Maximum temperature: 350℃ |
Load endurance: 5,000 cycles (R≤1KΩ) |
| Mechanical travel: 300°±10° |
Shock resistance: 60-100 times/min, 150m/s² |
Applications
Suitable for telecommunications, railway systems, electrical equipment, medical devices, industrial machinery, and low-frequency AC/DC equipment requiring voltage/current regulation or adjustable load resistance.
Frequently Asked Questions
Q: How can I place an order?
A: Contact us by email with your order details or place your order online.
Q: What payment methods do you accept?
A: We accept T/T, PayPal, and Western Union after PI confirmation.
Q: What is your order procedure?
A: We discuss order details, issue a PI for confirmation, request payment (full or deposit), begin production (7-15 days if not in stock), arrange shipment after balance payment.
Q: What is your policy for defective products?
A: We replace defective items or credit your account for the next shipment.
Q: How do you ensure product quality?
A: We conduct spot inspections during production and finished product inspections before shipment.
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