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{"title":"BC1 Variable Power Resistor Rheostat Round Disk Wirewound Adjustable Resistor","imgUrl":"https:\/\/img.chinax.com\/nimg\/65\/43\/0ba053596f79c63f858bbf8b1e48-200x200-1\/bc1_variable_power_resistor_rheostat_round_disk_wirewound_adjustable_resistor_25w_50w_100w_150w.jpg","attrs":{"Resistance Tolerance":"\u00b110%","Type":"Round disk rheostat","Brand Name":"BONENS","Model Number":"BC1"}}
{"title":"High Power Wirewound Potentiometer Rotary Rheostat Disk Ceramic Variable","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/79\/dbab8471837928d8d4826c8a3e4f-200x200-1\/high_power_wirewound_potentiometer_rotary_rheostat_disk_ceramic_variable_resistor_25w_50w_bc1.jpg","attrs":{"Resistance Tolerance":"\u00b110%","Nominal Resistance Range":"1 to 10K ohm","Rated Power":"25W~500W","Brand Name":"BONENS"}}
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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Year Established:
2005
Total Annual:
8000000-10000000
Employee Number:
100~120
Ecer Certification:
Verified Supplier
Sichuan Qixing Electronics Co., Ltd. is a professional company engaged in the development, production, and sales of potentiometer, resistor, filter, potentiometer knob, band switch, and capacitor products. We were established in 2005 and have many years of production experience. Our c...
Sichuan Qixing Electronics Co., Ltd. is a professional company engaged in the development, production, and sales of potentiometer, resistor, filter, potentiometer knob, band switch, and capacitor products. We were established in 2005 and have many years of production experience. Our c...