WH116AK-1 19F

WH116AK-1 19F High-Power, High-Current Contact-Type Impedance Regulation Component

Product Overview

The WH116AK-1 19F is a contact-type impedance regulation component specifically designed to handle high-power and high-current loads. It offers two switch configurations—SPDT and SPST—to meet diverse circuit control requirements. Featuring silver contacts, it effectively increases the switching current capacity and enables current shunting or voltage division by adjusting the effective resistance. This allows direct control of high-power circuits without the need for complex semiconductor inverters. With exceptional heat resistance and surge-current protection, it is widely suitable for industrial-grade high-power applications and has passed VDE, CB, and NEMKO industrial certifications, ensuring stable and reliable performance that meets stringent industrial safety standards.

Technical Principle

The WH116AK-1 19F operates on the principle of impedance regulation, with a core design featuring silver contacts. The high conductivity and wear resistance of silver significantly enhance the component’s ability to handle high currents, preventing contact issues caused by oxidation or wear. By varying the effective resistance in the circuit, the device achieves current shunting or voltage division, precisely controlling the operating state of high-power loads. Compared to control schemes relying on semiconductor inverters, this impedance-regulating component requires no additional inverter, allowing direct connection to high-power circuits for seamless adjustment, thereby simplifying the circuit structure and reducing the risk of failure.

Key Performance Parameters

1. Rated Power Range: 1000W to 2500W
2. Rated Current Capacity: 4A to 10A
3. Insulation Resistance: ≥ 100MΩ (DC 500V)
4. Switch Contact Resistance: ≤ 50mΩ
5. Switch Configurations: SPDT and SPST options available
6. High-Temperature Stability: Can operate continuously at full load for ≥ 30,000 cycles in extreme temperatures up to 100℃ without electrical breakdown
7. Certifications: VDE, CB, and NEMKO industrial certifications

Core Advantages

1. High-Power, High-Current Handling: With a rated power range of 1000W–2500W and a rated current capacity of 4A–10A, it stably supports high-power, high-current loads, meeting the circuit control needs of heavy-duty industrial equipment.
2. Durable Silver Contact Design: The silver-contact structure not only boosts the upper limit of switching current but also enhances wear and oxidation resistance, extending the component’s service life and reducing maintenance frequency.
3. Exceptional Heat and Surge Resistance: With outstanding heat resistance, it can operate continuously at full load for ≥ 30,000 cycles in extreme temperatures up to 100℃ without electrical breakdown; its strong surge-current protection ensures safe operation even under sudden current surges.
4. No Need for Additional Inverters: It directly controls high-power circuits without requiring complex semiconductor inverters, simplifying circuit design and lowering overall equipment costs and potential failure points.
5. Authoritative Industrial Certifications: Certified by VDE, CB, and NEMKO, it complies with international industrial safety standards, satisfying compliance requirements for industrial equipment in most global markets.
6. Low Maintenance Costs: Its stable performance reduces overall maintenance expenses by more than 40%, cutting down on repair and replacement costs over long-term use.

Core Product Value

1. Addresses the common issue of ordinary electronic potentiometers easily failing under high current, providing a stable and reliable impedance regulation solution for high-power circuits.
2. Eliminates the need for additional inverters, simplifying high-power circuit control designs and reducing overall equipment costs.
3. With superior heat and surge resistance, it ensures the continuous, stable operation of industrial equipment under extreme conditions.
4. Backed by authoritative industrial certifications, it helps industrial equipment smoothly enter global markets while minimizing compliance risks.
5. Significantly lowers comprehensive maintenance costs, reducing long-term operational expenses for businesses.

Target Customer Groups

Heavy machinery manufacturers, power equipment producers, traditional old-style welding equipment makers, laboratory high-voltage power supply developers, and various industrial equipment manufacturers requiring high-power, high-current circuit regulation solutions can all adopt the WH116AK-1 19F as their core circuit regulation component to meet their products’ high-power control needs.

Application Scenarios

This component finds wide application across numerous high-power industrial settings, particularly suited for coarse temperature adjustment in industrial furnaces, speed control of older DC motors, high-power analog power supply load testing, current regulation in arc welders, and high-power dimmer circuits. In industrial furnace applications, impedance adjustment enables coarse temperature control within the furnace; in older DC motor speed controllers, changing circuit resistance adjusts motor speed; during high-power analog power supply load tests, precise load impedance adjustments simulate different operating conditions; in welding equipment, output current can be regulated to suit varying welding requirements; and in high-power dimmers, current control manages light intensity, enabling brightness adjustments.

Solving Industry Pain Points

In the field of high-power circuit regulation, conventional electronic potentiometers suffer from clear performance limitations: when subjected to high currents, localized Joule heating can cause resistor filaments to burn out, substrates to carbonize, or brush welds to fail, disrupting normal equipment operation and increasing maintenance costs and downtime. The WH116AK-1 19F addresses this core pain point with a high-power-bearing structure and silver-contact design, enabling stable handling of high currents and heavy loads while effectively preventing the damage typical of ordinary potentiometers. Additionally, its exceptional heat resistance ensures reliable performance even under prolonged high-temperature conditions, eliminating the need for frequent component replacements and reducing overall maintenance costs by more than 40%, thus thoroughly resolving the issue of component vulnerability in high-power circuit regulation scenarios.

Common Questions FAQ

Q1: What switch configurations does the WH116AK-1 19F support?
A: This contact-type impedance regulation component offers both SPDT and SPST switch configurations, allowing users to select based on specific circuit control needs.
Q2: What are the product’s rated power and current ranges?
A: The component’s rated power spans 1000W to 2500W, with a rated current capacity ranging from 4A to 10A, making it well-suited for high-power, high-current load scenarios.
Q3: Does the product have industrial safety certifications?
A: The WH116AK-1 19F has obtained VDE, CB, and NEMKO industrial certifications, complying with rigorous international industrial safety standards and meeting compliance requirements for industrial equipment.
Q4: How does this component perform in high-temperature environments?
A: With exceptional heat resistance, it can operate continuously at full load for ≥ 30,000 cycles in extreme temperatures up to 100℃ without electrical breakdown, reliably handling high-temperature conditions commonly encountered in industrial settings.
Q5: Compared to ordinary electronic potentiometers, what advantages does this component offer?
A: Ordinary electronic potentiometers often experience resistor filament burnout or substrate carbonization under high current, whereas the WH116AK-1 19F is specially designed for high-power, high-current loads, effectively enduring such conditions and avoiding the aforementioned failures. Moreover, it eliminates the need for additional semiconductor inverters, simplifying circuit design and reducing maintenance costs.