WH116AK-4F-6-36D

WH116AK-4F-6-36D High-Power, High-Current Contact-Type Impedance Regulation Component

Product Overview

The WH116AK-4F-6-36D 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, this product effectively increases the switching current capacity and enables current shunting or voltage division through adjustable effective resistance. It can directly control high-power circuits without the need for complex semiconductor inverters, boasting exceptional heat resistance and surge-current protection. Widely suitable for industrial-grade high-power applications, it has passed VDE, CB, and NEMKO industrial certifications, delivering stable and reliable performance that meets stringent industrial safety standards.

Technical Principle

The WH116AK-4F-6-36D 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 adjusting 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 regulator eliminates the need for additional conversion equipment, allowing direct connection to high-power circuits for seamless regulation, thereby simplifying circuitry and reducing failure risks.

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 under extreme temperatures of 100°C without electrical breakdown
7. Certifications: VDE, CB, and NEMKO industrial-grade 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 heavy-duty industrial equipment and meets demanding circuit-control needs.
2. Durable Silver-Contact Design: The silver-contact structure not only boosts the maximum switching current but also enhances wear and oxidation resistance, extending service life and reducing maintenance frequency.
3. Exceptional Heat and Surge Resistance: With superior heat tolerance, it can operate continuously at full load for ≥ 30,000 cycles under extreme conditions of 100°C without electrical breakdown; its robust surge-current protection ensures safe operation even during sudden current spikes.
4. No Need for Additional Inverter Equipment: 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 Certification: Certified by VDE, CB, and NEMKO, meeting international industrial safety standards and satisfying compliance requirements for global export markets.
6. Low Maintenance Costs: Stable performance reduces overall maintenance expenses by more than 40%, cutting long-term repair and replacement costs.

Core Value Proposition

1. Addresses the common issue of ordinary electronic potentiometers failing under high current, providing a stable and reliable impedance-regulation solution for high-power circuits.
2. Eliminates the need for additional inverters, streamlining high-power circuit control designs and reducing overall equipment costs.
3. Offers exceptional heat and surge resistance, ensuring continuous, stable operation of industrial equipment under extreme conditions.
4. Backed by authoritative industrial certifications, facilitating smooth global exports and minimizing compliance risks.
5. Significantly lowers comprehensive maintenance costs, reducing long-term operational expenses for businesses.

Target Customer Base

Heavy machinery manufacturers, power equipment producers, traditional welding equipment makers, laboratory high-voltage power supply developers, and any industrial equipment manufacturer requiring high-power, high-current circuit regulation solutions can all adopt the WH116AK-4F-6-36D as a core circuit-regulation component to meet their products’ high-power control needs.

Application Scenarios

This component finds broad application across various 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; 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 fine-tuned to suit varying welding requirements; and in high-power dimmers, current control regulates light intensity.

Solving Industry Pain Points

In the realm of high-power circuit regulation, conventional electronic potentiometers suffer from clear performance limitations: when subjected to high currents, localized Joule heating often causes resistor wire burnout, substrate carbonization, or brush fusion failures, disrupting normal operations and increasing maintenance costs and downtime. The WH116AK-4F-6-36D addresses these critical pain points with its high-power-bearing structure and silver-contact design, enabling stable handling of high currents and heavy loads while effectively preventing common potentiometer failures. Its exceptional heat resistance ensures reliable performance even under prolonged exposure to high temperatures, eliminating 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.

Frequently Asked Questions (FAQ)

Q1: What switch configurations does the WH116AK-4F-6-36D support?
A: This contact-type impedance regulator offers both SPDT and SPST switch options, allowing users to select based on specific circuit-control needs.
Q2: What are the rated power and current ranges of this product?
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 applications.
Q3: Does this product have industrial safety certification?
A: The WH116AK-4F-6-36D has obtained VDE, CB, and NEMKO industrial certifications, complying with rigorous international industrial safety standards and meeting regulatory 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 under extreme temperatures of 100°C without electrical breakdown, reliably handling high-temperature conditions typical of industrial settings.
Q5: What advantages does this component offer compared to ordinary electronic potentiometers?
A: Ordinary electronic potentiometers often experience resistor wire burnout or substrate carbonization under high current, whereas the WH116AK-4F-6-36D is specifically engineered for high-power, high-current loads, effectively enduring such conditions while avoiding these common failures. Additionally, it eliminates the need for extra semiconductor inverters, simplifying circuit design and reducing maintenance costs.