Sichuan Bochen Guosheng Intelligent Technology Co., Ltd.
| Payment Terms | T/T,L/C,D/A,D/P,Western Union |
| Supply Ability | 10000000 Pieces Per Month |
| Delivery Time | 1-7 Workdays |
| Packaging Details | 10 pieces/box |
| Product Name | WIW22S cermet Inverter precision speed regulator potentiometer |
| Product Type | Inverter Speed Regulator |
| Element Type | Cermet Potentiometer |
| Knob Type | Knurled Knob |
| Nominal Resistance Range | 50Ω~2MΩ |
| Resistance Tolerance | ±10% |
| Electrical Travel | >70% of Total Mechanical Travel |
| Rated Power | 1W 70℃, 0W 125℃ |
| Temperature Coefficient | ±250ppm/℃ |
| Total Mechanical Travel | 280°±10° |
| Brand Name | BOCHEN |
| Model Number | WIW22S |
| Certification | RoHS, Reach |
| Place of Origin | Chengdu |
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Product Specification
| Payment Terms | T/T,L/C,D/A,D/P,Western Union | Supply Ability | 10000000 Pieces Per Month |
| Delivery Time | 1-7 Workdays | Packaging Details | 10 pieces/box |
| Product Name | WIW22S cermet Inverter precision speed regulator potentiometer | Product Type | Inverter Speed Regulator |
| Element Type | Cermet Potentiometer | Knob Type | Knurled Knob |
| Nominal Resistance Range | 50Ω~2MΩ | Resistance Tolerance | ±10% |
| Electrical Travel | >70% of Total Mechanical Travel | Rated Power | 1W 70℃, 0W 125℃ |
| Temperature Coefficient | ±250ppm/℃ | Total Mechanical Travel | 280°±10° |
| Brand Name | BOCHEN | Model Number | WIW22S |
| Certification | RoHS, Reach | Place of Origin | Chengdu |
| High Light | WIW22S Cermet Element Converter Governor ，WIW22S Converter Governor Potentiometer ，WIW22S Potentiometer Converter Governor | ||
Bochen WIW22S Cermet Element Converter Governor Inverter Resistance Switch Potentiometer
The WIW22S rotary potentiometer from BOCHEN is a high-precision component designed for accurate speed regulation in variable frequency drive (VFD) and industrial motor control systems. Built with a durable cermet resistive element, the WIW22S offers excellent reliability, stability, and control performance across a wide range of environments.
With a resistance range from 50Ω to 2MΩ and a rated power of 1W at 70°C, it delivers precise adjustment with minimal variation. The mechanical rotation of 280°±10° allows for smooth and wide-range tuning, while the device remains stable under temperature fluctuations from -25°C to +125°C.
Wide resistance range: 50Ω to 2MΩ
High thermal stability: Operates from -25°C to +125°C
Precise adjustment: Electrical travel covers >70% of mechanical range
Low temperature coefficient: ±250ppm/°C
Robust cermet element for long service life
Rated power: 1W at 70°C
Reliable performance in humid and harsh conditions
| Electrical Characteristics | Nominal Resistance Range | 50Ω~2MΩ |
| Resistance Tolerance | ±10% | |
| Terminal Resistance | ≤5% R or 10Ω | |
| Contact Resistance Variation (CRV) | ≤5%R or 5Ω | |
| Insulation Resistance | Ri ≥1GΩ(100Vac) | |
| Withstand Voltagey | 600 Vdc | |
| Electrical Travel | >70% of Total Mechanical Travel | |
| Environment Characteristics | Humidity | 40±2℃,87-92%R.H 96h ΔR≤5%R, R1≥1MΩ |
| Rated Power | 1W 70℃, 0W 125℃ | |
| Temperature Range | -25℃~+125℃ | |
| Temperature Coefficient | ±250ppm/℃ | |
| Temperature Variation | -55℃, 30min, +125℃, 30min, 3 cycles, ΔR≤5%R, Δ(Uab/Uac)≤±10% | |
| Collision | 100m/S2, 16ms, 1000 cycles ΔR≤2%R Δ(Uab/Uac)≤10% | |
| Electrical Endurance At 70°C | 1W, 1000h ΔR≤10%R Δ(Uab/Uac)≤10% | |
| Rotational Life | 200 cycles ΔR≤10%R | |
| Physical Characteristics | Total Mechanical Travel | 280°±10° |
| Starting Torque | ≤35mN.m |
Packaging specification: 10 pieces per box.
The WIW22S potentiometer is engineered for use in a wide range of industrial and commercial systems that demand reliable and precise speed or voltage control:
Industrial Motors & Drives: Speed adjustment in conveyors, pumps, and automation lines
HVAC Systems: Fan and blower speed control for energy efficiency
Smart Manufacturing Equipment: CNC machines, automated assembly lines
Electric Vehicles: Motor speed regulation in EVs and e-bikes
Power Tools & Appliances: Variable speed control in drills, washers, and more
Renewable Energy: Control systems in wind turbines and solar trackers
Test Equipment: Accurate tuning in lab instruments and measurement setups
Built to deliver accuracy, durability, and versatility, the WIW22S is a trusted choice for engineers and system designers who demand stable performance in variable speed and voltage applications.
• Factory direct supply, no middlemen.
• Completed certificates such as RoHS, REACH, etc and best quality assurance.
• Sufficient production capacity, short delivery time.
• Professional after-sales service team.
• OEM & ODM available.
Company Details
Business Type:
Manufacturer
Year Established:
1999
Total Annual:
8000000-10000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
BOCHEN Potentiometer｜Manufacturer of Potentiometers and Electronic Components For 25 Years. Sichuan Bochen Guosheng Intelligent Technology Co., Ltd. is a national high-tech enterprise focusing on the research and development, design, production, sales and service of potentiometer... BOCHEN Potentiometer｜Manufacturer of Potentiometers and Electronic Components For 25 Years. Sichuan Bochen Guosheng Intelligent Technology Co., Ltd. is a national high-tech enterprise focusing on the research and development, design, production, sales and service of potentiometer...
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