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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: 25-100W models ≤300K; ≥150W models ≤350K
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
The BC1 series of rotor-arm sliding wire porcelain disk variants are designed for voltage and current adjustment in industrial electrical equipment up to 500 volts. The resistor uses high-temperature enamel-coated resistance wire wound on a ceramic skeleton, with a sliding contact mechanism for variable resistance. The unit features a protective metal enclosure with handwheel operation.
Technical Parameters
ELECTRICAL CHARACTERISTICS
ENVIRONMENT CHARACTERISTICS
Standard resistance range
1Ω~5KΩ
Temperature range
-55℃~350℃
Resistance tolerance
±10%
Vibration
10~200HZ,40m/S², 3h△R≤±3%R
Terminal resistance
≤0.2% or 1Ω
Temperature cycling
-55°C,30min to 85°C,30min △R<+3%R,R1>500MΩ
Insulation resistance
≥100mΩ(500Vdc)
Humidity
40±2°C,RH:95%-98% 48h△R≤±3%R,R12100MΩ
Maximum temperature
350℃
Load durability
R≤1KΩ,5000 cycles R≤1KΩ, 1000 cycles△R≤±5%R
Mechanical travel
300°±10°
Shock resistance
60~100 times/min, 150m/s²,4000 times
Applications
Suitable for telecommunications, railway transportation, electrical equipment, medical devices, industrial machinery, and low-frequency AC/DC electrical equipment requiring voltage/current regulation or adjustable load resistance.
Product Dimensions
Frequently Asked Questions
How can I place an order?
You can contact us by email about your order details, or place order online.
How can I pay?
After confirming our PI, we will request payment via T/T, Paypal, or Western Union.
What's the order procedure?
We discuss order details via email, issue a PI for confirmation, then require prepayment before production (7-15 days lead time). Before completion, we confirm shipment details and balance payment.
How do you handle defective products?
We replace defective items or credit the customer, typically in the next shipment.
How do you ensure product quality?
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 company headq...
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 company headq...